Merge branch 'v4-dev' into v4-docs-streamlined

63 files changed, 7228 insertions, 5740 deletions

diff --git a/js/.babelrc b/js/.babelrc
deleted file mode 100644
index ffc5e3b79..000000000
--- a/js/.babelrc
+++ /dev/null
@@ -1,14 +0,0 @@
-{
-  "presets": [
-    [
-      "es2015",
-      {
-        "modules": false,
-        "loose": true
-      }
-    ]
-  ],
-  "plugins": [
-    "transform-es2015-modules-strip"
-  ]
-}
diff --git a/js/.eslintrc.json b/js/.eslintrc.json
index 930e1f3c2..69b361045 100644
--- a/js/.eslintrc.json
+++ b/js/.eslintrc.json
@@ -13,10 +13,11 @@
   },
   "rules": {
     // Possible Errors
+    "no-await-in-loop": "error",
+    "no-compare-neg-zero": "error",
     "no-extra-parens": "error",
     "no-prototype-builtins": "off",
     "no-template-curly-in-string": "error",
-    "no-unsafe-negation": "error",
     "valid-jsdoc": "error",
 
     // Best Practices
@@ -43,7 +44,6 @@
     "no-extra-bind": "error",
     "no-extra-label": "error",
     "no-floating-decimal": "error",
-    "no-global-assign": "error",
     "no-implicit-coercion": "error",
     "no-implicit-globals": "error",
     "no-implied-eval": "error",
@@ -67,14 +67,15 @@
       }
     ],
     "no-multi-str": "error",
-    "no-new-func": "off",
-    "no-new-wrappers": "error",
     "no-new": "error",
+    "no-new-func": "error",
+    "no-new-wrappers": "error",
     "no-octal-escape": "error",
     "no-param-reassign": "off",
     "no-proto": "error",
     "no-restricted-properties": "error",
     "no-return-assign": "off",
+    "no-return-await": "error",
     "no-script-url": "error",
     "no-self-compare": "error",
     "no-sequences": "error",
@@ -84,10 +85,13 @@
     "no-useless-call": "error",
     "no-useless-concat": "error",
     "no-useless-escape": "error",
+    "no-useless-return": "off",
     "no-void": "error",
     "no-warning-comments": "off",
     "no-with": "error",
+    "prefer-promise-reject-errors": "error",
     "radix": "error",
+    "require-await": "error",
     "vars-on-top": "error",
     "wrap-iife": "error",
     "yoda": "error",
@@ -100,8 +104,8 @@
     "no-catch-shadow": "error",
     "no-label-var": "error",
     "no-restricted-globals": "error",
-    "no-shadow-restricted-names": "error",
     "no-shadow": "off",
+    "no-shadow-restricted-names": "error",
     "no-undef-init": "error",
     "no-undefined": "off",
     "no-use-before-define": "off",
@@ -123,6 +127,7 @@
     "block-spacing": "error",
     "brace-style": "error",
     "camelcase": "error",
+    "capitalized-comments": "off",
     "comma-dangle": "error",
     "comma-spacing": "error",
     "comma-style": "error",
@@ -130,6 +135,7 @@
     "consistent-this": "error",
     "eol-last": "error",
     "func-call-spacing": "error",
+    "func-name-matching": "error",
     "func-names": "off",
     "func-style": ["error", "declaration"],
     "id-blacklist": "error",
@@ -148,8 +154,8 @@
     "max-lines": "off",
     "max-nested-callbacks": "error",
     "max-params": "off",
-    "max-statements-per-line": "error",
     "max-statements": "off",
+    "max-statements-per-line": "error",
     "multiline-ternary": "off",
     "new-cap": ["error", { "capIsNewExceptionPattern": "$.*" }],
     "new-parens": "error",
@@ -162,6 +168,7 @@
     "no-inline-comments": "off",
     "no-lonely-if": "error",
     "no-mixed-operators": "off",
+    "no-multi-assign": "error",
     "no-multiple-empty-lines": "error",
     "no-negated-condition": "off",
     "no-nested-ternary": "error",
@@ -174,19 +181,20 @@
     "no-underscore-dangle": "off",
     "no-unneeded-ternary": "error",
     "no-whitespace-before-property": "error",
+    "nonblock-statement-body-position": "error",
     "object-curly-newline": ["error", { "minProperties": 1 }],
     "object-curly-spacing": ["error", "always"],
     "object-property-newline": "error",
-    "one-var-declaration-per-line": "error",
     "one-var": ["error", "never"],
+    "one-var-declaration-per-line": "error",
     "operator-assignment": "error",
     "operator-linebreak": "off",
     "padded-blocks": "off",
     "quote-props": ["error", "as-needed"],
     "quotes": ["error", "single"],
     "require-jsdoc": "off",
-    "semi-spacing": "error",
     "semi": ["error", "never"],
+    "semi-spacing": "error",
     "sort-keys": "off",
     "sort-vars": "error",
     "space-before-blocks": "error",
@@ -198,6 +206,7 @@
     "space-infix-ops": "error",
     "space-unary-ops": "error",
     "spaced-comment": "error",
+    "template-tag-spacing": "error",
     "unicode-bom": "error",
     "wrap-regex": "off",
 
@@ -216,8 +225,8 @@
     "object-shorthand": "error",
     "prefer-arrow-callback": "error",
     "prefer-const": "error",
+    "prefer-destructuring": "off",
     "prefer-numeric-literals": "error",
-    "prefer-reflect": "off",
     "prefer-rest-params": "error",
     "prefer-spread": "error",
     "prefer-template": "error",
diff --git a/js/.jscsrc b/js/.jscsrc
deleted file mode 100644
index 7a720ee76..000000000
--- a/js/.jscsrc
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-  "disallowEmptyBlocks": true,
-  "disallowKeywords": ["with"],
-  "disallowMixedSpacesAndTabs": true,
-  "disallowMultipleLineStrings": true,
-  "disallowMultipleVarDecl": true,
-  "disallowQuotedKeysInObjects": "allButReserved",
-  "disallowSpaceAfterPrefixUnaryOperators": ["++", "--", "+", "-", "~", "!"],
-  "disallowSpaceBeforeBinaryOperators": [","],
-  "disallowSpaceBeforePostfixUnaryOperators": ["++", "--"],
-  "disallowSpacesInFunctionDeclaration": { "beforeOpeningRoundBrace": true },
-  "disallowSpacesInNamedFunctionExpression": { "beforeOpeningRoundBrace": true },
-  "disallowSpacesInsideArrayBrackets": true,
-  "disallowSpacesInsideParentheses": true,
-  "disallowTrailingComma": true,
-  "disallowTrailingWhitespace": true,
-  "requireCamelCaseOrUpperCaseIdentifiers": true,
-  "requireCapitalizedConstructors": true,
-  "requireCommaBeforeLineBreak": true,
-  "requireDollarBeforejQueryAssignment": true,
-  "requireDotNotation": true,
-  "requireLineFeedAtFileEnd": true,
-  "requirePaddingNewLinesAfterUseStrict": true,
-  "requirePaddingNewLinesBeforeExport": true,
-  "requireSpaceAfterBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", "<", ">=", "<="],
-  "requireSpaceAfterKeywords": ["if", "else", "for", "while", "do", "switch", "return", "try", "catch"],
-  "requireSpaceAfterLineComment": true,
-  "requireSpaceBeforeBinaryOperators": ["+", "-", "/", "*", "=", "==", "===", "!=", "!==", ">", "<", ">=", "<="],
-  "requireSpaceBetweenArguments": true,
-  "requireSpacesInAnonymousFunctionExpression": { "beforeOpeningCurlyBrace": true, "beforeOpeningRoundBrace": true, "allExcept": ["shorthand"] },
-  "requireSpacesInConditionalExpression": true,
-  "requireSpacesInForStatement": true,
-  "requireSpacesInFunctionDeclaration": { "beforeOpeningCurlyBrace": true },
-  "requireSpacesInFunctionExpression": { "beforeOpeningCurlyBrace": true },
-  "requireSpacesInNamedFunctionExpression": { "beforeOpeningCurlyBrace": true },
-  "requireSpacesInsideObjectBrackets": "allButNested",
-  "validateAlignedFunctionParameters": true,
-  "validateIndentation": 2,
-  "validateLineBreaks": "LF",
-  "validateNewlineAfterArrayElements": true,
-  "validateQuoteMarks": "'"
-}
diff --git a/js/dist/alert.js b/js/dist/alert.js
index 34882c92a..0550593a7 100644
--- a/js/dist/alert.js
+++ b/js/dist/alert.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Alert = function ($) {
    */
 
   var NAME = 'alert';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.alert';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -180,4 +180,4 @@ var Alert = function ($) {
 
   return Alert;
 }(jQuery);
-//# sourceMappingURL=alert.js.map
+//# sourceMappingURL=alert.js.map
\ No newline at end of file
diff --git a/js/dist/alert.js.map b/js/dist/alert.js.map
index 1b6d955f0..280035dce 100644
--- a/js/dist/alert.js.map
+++ b/js/dist/alert.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/alert.js"],"names":["Alert","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","TRANSITION_DURATION","Selector","DISMISS","Event","CLOSE","CLOSED","CLICK_DATA_API","ClassName","ALERT","FADE","SHOW","element","_element","close","rootElement","_getRootElement","customEvent","_triggerCloseEvent","isDefaultPrevented","_removeElement","dispose","removeData","selector","Util","getSelectorFromElement","parent","closest","closeEvent","trigger","removeClass","supportsTransitionEnd","hasClass","_destroyElement","one","TRANSITION_END","event","emulateTransitionEnd","detach","remove","_jQueryInterface","config","each","$element","data","_handleDismiss","alertInstance","preventDefault","document","on","Constructor","noConflict","jQuery"],"mappings":";;;;AAGA;;;;;;;AAOA,IAAMA,QAAS,UAACC,CAAD,EAAO;;AAGpB;;;;;;AAMA,MAAMC,OAAsB,OAA5B;AACA,MAAMC,UAAsB,eAA5B;AACA,MAAMC,WAAsB,UAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,eAAsB,WAA5B;AACA,MAAMC,qBAAsBN,EAAEO,EAAF,CAAKN,IAAL,CAA5B;AACA,MAAMO,sBAAsB,GAA5B;;AAEA,MAAMC,WAAW;AACfC,aAAU;AADK,GAAjB;;AAIA,MAAMC,QAAQ;AACZC,qBAAyBR,SADb;AAEZS,uBAA0BT,SAFd;AAGZU,8BAAyBV,SAAzB,GAAqCC;AAHzB,GAAd;;AAMA,MAAMU,YAAY;AAChBC,WAAQ,OADQ;AAEhBC,UAAQ,MAFQ;AAGhBC,UAAQ;AAHQ,GAAlB;;AAOA;;;;;;AAlCoB,MAwCdnB,KAxCc;AA0ClB,mBAAYoB,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;AACD;;AAGD;;AAOA;;AAtDkB,oBAwDlBE,KAxDkB,kBAwDZF,OAxDY,EAwDH;AACbA,gBAAUA,WAAW,KAAKC,QAA1B;;AAEA,UAAME,cAAc,KAAKC,eAAL,CAAqBJ,OAArB,CAApB;AACA,UAAMK,cAAc,KAAKC,kBAAL,CAAwBH,WAAxB,CAApB;;AAEA,UAAIE,YAAYE,kBAAZ,EAAJ,EAAsC;AACpC;AACD;;AAED,WAAKC,cAAL,CAAoBL,WAApB;AACD,KAnEiB;;AAAA,oBAqElBM,OArEkB,sBAqER;AACR5B,QAAE6B,UAAF,CAAa,KAAKT,QAAlB,EAA4BjB,QAA5B;AACA,WAAKiB,QAAL,GAAgB,IAAhB;AACD,KAxEiB;;AA2ElB;;AA3EkB,oBA6ElBG,eA7EkB,4BA6EFJ,OA7EE,EA6EO;AACvB,UAAMW,WAAWC,KAAKC,sBAAL,CAA4Bb,OAA5B,CAAjB;AACA,UAAIc,SAAa,KAAjB;;AAEA,UAAIH,QAAJ,EAAc;AACZG,iBAASjC,EAAE8B,QAAF,EAAY,CAAZ,CAAT;AACD;;AAED,UAAI,CAACG,MAAL,EAAa;AACXA,iBAASjC,EAAEmB,OAAF,EAAWe,OAAX,OAAuBnB,UAAUC,KAAjC,EAA0C,CAA1C,CAAT;AACD;;AAED,aAAOiB,MAAP;AACD,KA1FiB;;AAAA,oBA4FlBR,kBA5FkB,+BA4FCN,OA5FD,EA4FU;AAC1B,UAAMgB,aAAanC,EAAEW,KAAF,CAAQA,MAAMC,KAAd,CAAnB;;AAEAZ,QAAEmB,OAAF,EAAWiB,OAAX,CAAmBD,UAAnB;AACA,aAAOA,UAAP;AACD,KAjGiB;;AAAA,oBAmGlBR,cAnGkB,2BAmGHR,OAnGG,EAmGM;AAAA;;AACtBnB,QAAEmB,OAAF,EAAWkB,WAAX,CAAuBtB,UAAUG,IAAjC;;AAEA,UAAI,CAACa,KAAKO,qBAAL,EAAD,IACA,CAACtC,EAAEmB,OAAF,EAAWoB,QAAX,CAAoBxB,UAAUE,IAA9B,CADL,EAC0C;AACxC,aAAKuB,eAAL,CAAqBrB,OAArB;AACA;AACD;;AAEDnB,QAAEmB,OAAF,EACGsB,GADH,CACOV,KAAKW,cADZ,EAC4B,UAACC,KAAD;AAAA,eAAW,MAAKH,eAAL,CAAqBrB,OAArB,EAA8BwB,KAA9B,CAAX;AAAA,OAD5B,EAEGC,oBAFH,CAEwBpC,mBAFxB;AAGD,KA/GiB;;AAAA,oBAiHlBgC,eAjHkB,4BAiHFrB,OAjHE,EAiHO;AACvBnB,QAAEmB,OAAF,EACG0B,MADH,GAEGT,OAFH,CAEWzB,MAAME,MAFjB,EAGGiC,MAHH;AAID,KAtHiB;;AAyHlB;;AAzHkB,UA2HXC,gBA3HW,6BA2HMC,MA3HN,EA2Hc;AAC9B,aAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,YAAMC,WAAWlD,EAAE,IAAF,CAAjB;AACA,YAAImD,OAAaD,SAASC,IAAT,CAAchD,QAAd,CAAjB;;AAEA,YAAI,CAACgD,IAAL,EAAW;AACTA,iBAAO,IAAIpD,KAAJ,CAAU,IAAV,CAAP;AACAmD,mBAASC,IAAT,CAAchD,QAAd,EAAwBgD,IAAxB;AACD;;AAED,YAAIH,WAAW,OAAf,EAAwB;AACtBG,eAAKH,MAAL,EAAa,IAAb;AACD;AACF,OAZM,CAAP;AAaD,KAzIiB;;AAAA,UA2IXI,cA3IW,2BA2IIC,aA3IJ,EA2ImB;AACnC,aAAO,UAAUV,KAAV,EAAiB;AACtB,YAAIA,KAAJ,EAAW;AACTA,gBAAMW,cAAN;AACD;;AAEDD,sBAAchC,KAAd,CAAoB,IAApB;AACD,OAND;AAOD,KAnJiB;;AAAA;AAAA;AAAA,0BAiDG;AACnB,eAAOnB,OAAP;AACD;AAnDiB;;AAAA;AAAA;;AAwJpB;;;;;;AAMAF,IAAEuD,QAAF,EAAYC,EAAZ,CACE7C,MAAMG,cADR,EAEEL,SAASC,OAFX,EAGEX,MAAMqD,cAAN,CAAqB,IAAIrD,KAAJ,EAArB,CAHF;;AAOA;;;;;;AAMAC,IAAEO,EAAF,CAAKN,IAAL,IAAyBF,MAAMgD,gBAA/B;AACA/C,IAAEO,EAAF,CAAKN,IAAL,EAAWwD,WAAX,GAAyB1D,KAAzB;AACAC,IAAEO,EAAF,CAAKN,IAAL,EAAWyD,UAAX,GAAyB,YAAY;AACnC1D,MAAEO,EAAF,CAAKN,IAAL,IAAaK,kBAAb;AACA,WAAOP,MAAMgD,gBAAb;AACD,GAHD;;AAKA,SAAOhD,KAAP;AAED,CApLa,CAoLX4D,MApLW,CAAd","file":"alert.js","sourcesContent":["import Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Alert = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'alert'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.alert'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Selector = {\n    DISMISS : '[data-dismiss=\"alert\"]'\n  }\n\n  const Event = {\n    CLOSE          : `close${EVENT_KEY}`,\n    CLOSED         : `closed${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    ALERT : 'alert',\n    FADE  : 'fade',\n    SHOW  : 'show'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Alert {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    close(element) {\n      element = element || this._element\n\n      const rootElement = this._getRootElement(element)\n      const customEvent = this._triggerCloseEvent(rootElement)\n\n      if (customEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._removeElement(rootElement)\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _getRootElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      let parent     = false\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      if (!parent) {\n        parent = $(element).closest(`.${ClassName.ALERT}`)[0]\n      }\n\n      return parent\n    }\n\n    _triggerCloseEvent(element) {\n      const closeEvent = $.Event(Event.CLOSE)\n\n      $(element).trigger(closeEvent)\n      return closeEvent\n    }\n\n    _removeElement(element) {\n      $(element).removeClass(ClassName.SHOW)\n\n      if (!Util.supportsTransitionEnd() ||\n          !$(element).hasClass(ClassName.FADE)) {\n        this._destroyElement(element)\n        return\n      }\n\n      $(element)\n        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    _destroyElement(element) {\n      $(element)\n        .detach()\n        .trigger(Event.CLOSED)\n        .remove()\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $element = $(this)\n        let data       = $element.data(DATA_KEY)\n\n        if (!data) {\n          data = new Alert(this)\n          $element.data(DATA_KEY, data)\n        }\n\n        if (config === 'close') {\n          data[config](this)\n        }\n      })\n    }\n\n    static _handleDismiss(alertInstance) {\n      return function (event) {\n        if (event) {\n          event.preventDefault()\n        }\n\n        alertInstance.close(this)\n      }\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(\n    Event.CLICK_DATA_API,\n    Selector.DISMISS,\n    Alert._handleDismiss(new Alert())\n  )\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Alert._jQueryInterface\n  $.fn[NAME].Constructor = Alert\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Alert._jQueryInterface\n  }\n\n  return Alert\n\n})(jQuery)\n\nexport default Alert\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/alert.js"],"names":["Alert","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","TRANSITION_DURATION","Selector","DISMISS","Event","CLOSE","CLOSED","CLICK_DATA_API","ClassName","ALERT","FADE","SHOW","element","_element","close","rootElement","_getRootElement","customEvent","_triggerCloseEvent","isDefaultPrevented","_removeElement","dispose","removeData","selector","Util","getSelectorFromElement","parent","closest","closeEvent","trigger","removeClass","supportsTransitionEnd","hasClass","_destroyElement","one","TRANSITION_END","event","emulateTransitionEnd","detach","remove","_jQueryInterface","config","each","$element","data","_handleDismiss","alertInstance","preventDefault","document","on","Constructor","noConflict","jQuery"],"mappings":";;;;AAGA;;;;;;;AAOA,IAAMA,QAAS,UAACC,CAAD,EAAO;;AAGpB;;;;;;AAMA,MAAMC,OAAsB,OAA5B;AACA,MAAMC,UAAsB,eAA5B;AACA,MAAMC,WAAsB,UAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,eAAsB,WAA5B;AACA,MAAMC,qBAAsBN,EAAEO,EAAF,CAAKN,IAAL,CAA5B;AACA,MAAMO,sBAAsB,GAA5B;;AAEA,MAAMC,WAAW;AACfC,aAAU;AADK,GAAjB;;AAIA,MAAMC,QAAQ;AACZC,qBAAyBR,SADb;AAEZS,uBAA0BT,SAFd;AAGZU,8BAAyBV,SAAzB,GAAqCC;AAHzB,GAAd;;AAMA,MAAMU,YAAY;AAChBC,WAAQ,OADQ;AAEhBC,UAAQ,MAFQ;AAGhBC,UAAQ;AAHQ,GAAlB;;AAOA;;;;;;AAlCoB,MAwCdnB,KAxCc;AA0ClB,mBAAYoB,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;AACD;;AAGD;;AAOA;;AAtDkB,oBAwDlBE,KAxDkB,kBAwDZF,OAxDY,EAwDH;AACbA,gBAAUA,WAAW,KAAKC,QAA1B;;AAEA,UAAME,cAAc,KAAKC,eAAL,CAAqBJ,OAArB,CAApB;AACA,UAAMK,cAAc,KAAKC,kBAAL,CAAwBH,WAAxB,CAApB;;AAEA,UAAIE,YAAYE,kBAAZ,EAAJ,EAAsC;AACpC;AACD;;AAED,WAAKC,cAAL,CAAoBL,WAApB;AACD,KAnEiB;;AAAA,oBAqElBM,OArEkB,sBAqER;AACR5B,QAAE6B,UAAF,CAAa,KAAKT,QAAlB,EAA4BjB,QAA5B;AACA,WAAKiB,QAAL,GAAgB,IAAhB;AACD,KAxEiB;;AA2ElB;;AA3EkB,oBA6ElBG,eA7EkB,4BA6EFJ,OA7EE,EA6EO;AACvB,UAAMW,WAAWC,KAAKC,sBAAL,CAA4Bb,OAA5B,CAAjB;AACA,UAAIc,SAAa,KAAjB;;AAEA,UAAIH,QAAJ,EAAc;AACZG,iBAASjC,EAAE8B,QAAF,EAAY,CAAZ,CAAT;AACD;;AAED,UAAI,CAACG,MAAL,EAAa;AACXA,iBAASjC,EAAEmB,OAAF,EAAWe,OAAX,OAAuBnB,UAAUC,KAAjC,EAA0C,CAA1C,CAAT;AACD;;AAED,aAAOiB,MAAP;AACD,KA1FiB;;AAAA,oBA4FlBR,kBA5FkB,+BA4FCN,OA5FD,EA4FU;AAC1B,UAAMgB,aAAanC,EAAEW,KAAF,CAAQA,MAAMC,KAAd,CAAnB;;AAEAZ,QAAEmB,OAAF,EAAWiB,OAAX,CAAmBD,UAAnB;AACA,aAAOA,UAAP;AACD,KAjGiB;;AAAA,oBAmGlBR,cAnGkB,2BAmGHR,OAnGG,EAmGM;AAAA;;AACtBnB,QAAEmB,OAAF,EAAWkB,WAAX,CAAuBtB,UAAUG,IAAjC;;AAEA,UAAI,CAACa,KAAKO,qBAAL,EAAD,IACA,CAACtC,EAAEmB,OAAF,EAAWoB,QAAX,CAAoBxB,UAAUE,IAA9B,CADL,EAC0C;AACxC,aAAKuB,eAAL,CAAqBrB,OAArB;AACA;AACD;;AAEDnB,QAAEmB,OAAF,EACGsB,GADH,CACOV,KAAKW,cADZ,EAC4B,UAACC,KAAD;AAAA,eAAW,MAAKH,eAAL,CAAqBrB,OAArB,EAA8BwB,KAA9B,CAAX;AAAA,OAD5B,EAEGC,oBAFH,CAEwBpC,mBAFxB;AAGD,KA/GiB;;AAAA,oBAiHlBgC,eAjHkB,4BAiHFrB,OAjHE,EAiHO;AACvBnB,QAAEmB,OAAF,EACG0B,MADH,GAEGT,OAFH,CAEWzB,MAAME,MAFjB,EAGGiC,MAHH;AAID,KAtHiB;;AAyHlB;;AAzHkB,UA2HXC,gBA3HW,6BA2HMC,MA3HN,EA2Hc;AAC9B,aAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,YAAMC,WAAWlD,EAAE,IAAF,CAAjB;AACA,YAAImD,OAAaD,SAASC,IAAT,CAAchD,QAAd,CAAjB;;AAEA,YAAI,CAACgD,IAAL,EAAW;AACTA,iBAAO,IAAIpD,KAAJ,CAAU,IAAV,CAAP;AACAmD,mBAASC,IAAT,CAAchD,QAAd,EAAwBgD,IAAxB;AACD;;AAED,YAAIH,WAAW,OAAf,EAAwB;AACtBG,eAAKH,MAAL,EAAa,IAAb;AACD;AACF,OAZM,CAAP;AAaD,KAzIiB;;AAAA,UA2IXI,cA3IW,2BA2IIC,aA3IJ,EA2ImB;AACnC,aAAO,UAAUV,KAAV,EAAiB;AACtB,YAAIA,KAAJ,EAAW;AACTA,gBAAMW,cAAN;AACD;;AAEDD,sBAAchC,KAAd,CAAoB,IAApB;AACD,OAND;AAOD,KAnJiB;;AAAA;AAAA;AAAA,0BAiDG;AACnB,eAAOnB,OAAP;AACD;AAnDiB;;AAAA;AAAA;;AAwJpB;;;;;;AAMAF,IAAEuD,QAAF,EAAYC,EAAZ,CACE7C,MAAMG,cADR,EAEEL,SAASC,OAFX,EAGEX,MAAMqD,cAAN,CAAqB,IAAIrD,KAAJ,EAArB,CAHF;;AAOA;;;;;;AAMAC,IAAEO,EAAF,CAAKN,IAAL,IAAyBF,MAAMgD,gBAA/B;AACA/C,IAAEO,EAAF,CAAKN,IAAL,EAAWwD,WAAX,GAAyB1D,KAAzB;AACAC,IAAEO,EAAF,CAAKN,IAAL,EAAWyD,UAAX,GAAyB,YAAY;AACnC1D,MAAEO,EAAF,CAAKN,IAAL,IAAaK,kBAAb;AACA,WAAOP,MAAMgD,gBAAb;AACD,GAHD;;AAKA,SAAOhD,KAAP;AAED,CApLa,CAoLX4D,MApLW,CAAd","file":"alert.js","sourcesContent":["import Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Alert = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'alert'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.alert'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Selector = {\n    DISMISS : '[data-dismiss=\"alert\"]'\n  }\n\n  const Event = {\n    CLOSE          : `close${EVENT_KEY}`,\n    CLOSED         : `closed${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    ALERT : 'alert',\n    FADE  : 'fade',\n    SHOW  : 'show'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Alert {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    close(element) {\n      element = element || this._element\n\n      const rootElement = this._getRootElement(element)\n      const customEvent = this._triggerCloseEvent(rootElement)\n\n      if (customEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._removeElement(rootElement)\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _getRootElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      let parent     = false\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      if (!parent) {\n        parent = $(element).closest(`.${ClassName.ALERT}`)[0]\n      }\n\n      return parent\n    }\n\n    _triggerCloseEvent(element) {\n      const closeEvent = $.Event(Event.CLOSE)\n\n      $(element).trigger(closeEvent)\n      return closeEvent\n    }\n\n    _removeElement(element) {\n      $(element).removeClass(ClassName.SHOW)\n\n      if (!Util.supportsTransitionEnd() ||\n          !$(element).hasClass(ClassName.FADE)) {\n        this._destroyElement(element)\n        return\n      }\n\n      $(element)\n        .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    _destroyElement(element) {\n      $(element)\n        .detach()\n        .trigger(Event.CLOSED)\n        .remove()\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $element = $(this)\n        let data       = $element.data(DATA_KEY)\n\n        if (!data) {\n          data = new Alert(this)\n          $element.data(DATA_KEY, data)\n        }\n\n        if (config === 'close') {\n          data[config](this)\n        }\n      })\n    }\n\n    static _handleDismiss(alertInstance) {\n      return function (event) {\n        if (event) {\n          event.preventDefault()\n        }\n\n        alertInstance.close(this)\n      }\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(\n    Event.CLICK_DATA_API,\n    Selector.DISMISS,\n    Alert._handleDismiss(new Alert())\n  )\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Alert._jQueryInterface\n  $.fn[NAME].Constructor = Alert\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Alert._jQueryInterface\n  }\n\n  return Alert\n\n})(jQuery)\n\nexport default Alert\n"]}
\ No newline at end of file
diff --git a/js/dist/button.js b/js/dist/button.js
index eff882c6d..cd82242c1 100644
--- a/js/dist/button.js
+++ b/js/dist/button.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Button = function ($) {
    */
 
   var NAME = 'button';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.button';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -62,6 +62,7 @@ var Button = function ($) {
 
     Button.prototype.toggle = function toggle() {
       var triggerChangeEvent = true;
+      var addAriaPressed = true;
       var rootElement = $(this._element).closest(Selector.DATA_TOGGLE)[0];
 
       if (rootElement) {
@@ -81,13 +82,19 @@ var Button = function ($) {
           }
 
           if (triggerChangeEvent) {
+            if (input.hasAttribute('disabled') || rootElement.hasAttribute('disabled') || input.classList.contains('disabled') || rootElement.classList.contains('disabled')) {
+              return;
+            }
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE);
             $(input).trigger('change');
           }
 
           input.focus();
+          addAriaPressed = false;
         }
-      } else {
+      }
+
+      if (addAriaPressed) {
         this._element.setAttribute('aria-pressed', !$(this._element).hasClass(ClassName.ACTIVE));
       }
 
@@ -164,4 +171,4 @@ var Button = function ($) {
 
   return Button;
 }(jQuery);
-//# sourceMappingURL=button.js.map
+//# sourceMappingURL=button.js.map
\ No newline at end of file
diff --git a/js/dist/button.js.map b/js/dist/button.js.map
index afceb4879..899bcdaea 100644
--- a/js/dist/button.js.map
+++ b/js/dist/button.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'button'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.button'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const ClassName = {\n    ACTIVE : 'active',\n    BUTTON : 'btn',\n    FOCUS  : 'focus'\n  }\n\n  const Selector = {\n    DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n    DATA_TOGGLE        : '[data-toggle=\"buttons\"]',\n    INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      const rootElement      = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        const input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type === 'radio') {\n            if (input.checked &&\n              $(this._element).hasClass(ClassName.ACTIVE)) {\n              triggerChangeEvent = false\n\n            } else {\n              const activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n              if (activeElement) {\n                $(activeElement).removeClass(ClassName.ACTIVE)\n              }\n            }\n          }\n\n          if (triggerChangeEvent) {\n            input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n            $(input).trigger('change')\n          }\n\n          input.focus()\n        }\n\n      } else {\n        this._element.setAttribute('aria-pressed',\n          !$(this._element).hasClass(ClassName.ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(ClassName.ACTIVE)\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Button(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (config === 'toggle') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      event.preventDefault()\n\n      let button = event.target\n\n      if (!$(button).hasClass(ClassName.BUTTON)) {\n        button = $(button).closest(Selector.BUTTON)\n      }\n\n      Button._jQueryInterface.call($(button), 'toggle')\n    })\n    .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      const button = $(event.target).closest(Selector.BUTTON)[0]\n      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Button._jQueryInterface\n  $.fn[NAME].Constructor = Button\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Button._jQueryInterface\n  }\n\n  return Button\n\n})(jQuery)\n\nexport default Button\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/button.js"],"names":["Button","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","ClassName","ACTIVE","BUTTON","FOCUS","Selector","DATA_TOGGLE_CARROT","DATA_TOGGLE","INPUT","Event","CLICK_DATA_API","FOCUS_BLUR_DATA_API","element","_element","toggle","triggerChangeEvent","addAriaPressed","rootElement","closest","input","find","type","checked","hasClass","activeElement","removeClass","hasAttribute","classList","contains","trigger","focus","setAttribute","toggleClass","dispose","removeData","_jQueryInterface","config","each","data","document","on","event","preventDefault","button","target","call","test","Constructor","noConflict","jQuery"],"mappings":";;;;AAAA;;;;;;;AAOA,IAAMA,SAAU,UAACC,CAAD,EAAO;;AAGrB;;;;;;AAMA,MAAMC,OAAsB,QAA5B;AACA,MAAMC,UAAsB,eAA5B;AACA,MAAMC,WAAsB,WAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,eAAsB,WAA5B;AACA,MAAMC,qBAAsBN,EAAEO,EAAF,CAAKN,IAAL,CAA5B;;AAEA,MAAMO,YAAY;AAChBC,YAAS,QADO;AAEhBC,YAAS,KAFO;AAGhBC,WAAS;AAHO,GAAlB;;AAMA,MAAMC,WAAW;AACfC,wBAAqB,yBADN;AAEfC,iBAAqB,yBAFN;AAGfC,WAAqB,OAHN;AAIfN,YAAqB,SAJN;AAKfC,YAAqB;AALN,GAAjB;;AAQA,MAAMM,QAAQ;AACZC,8BAA8Bb,SAA9B,GAA0CC,YAD9B;AAEZa,yBAAsB,UAAQd,SAAR,GAAoBC,YAApB,mBACOD,SADP,GACmBC,YADnB;AAFV,GAAd;;AAOA;;;;;;AArCqB,MA2CfN,MA3Ce;AA6CnB,oBAAYoB,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;AACD;;AAGD;;AAOA;;AAzDmB,qBA2DnBE,MA3DmB,qBA2DV;AACP,UAAIC,qBAAqB,IAAzB;AACA,UAAIC,iBAAiB,IAArB;AACA,UAAMC,cAAmBxB,EAAE,KAAKoB,QAAP,EAAiBK,OAAjB,CACvBb,SAASE,WADc,EAEvB,CAFuB,CAAzB;;AAIA,UAAIU,WAAJ,EAAiB;AACf,YAAME,QAAQ1B,EAAE,KAAKoB,QAAP,EAAiBO,IAAjB,CAAsBf,SAASG,KAA/B,EAAsC,CAAtC,CAAd;;AAEA,YAAIW,KAAJ,EAAW;AACT,cAAIA,MAAME,IAAN,KAAe,OAAnB,EAA4B;AAC1B,gBAAIF,MAAMG,OAAN,IACF7B,EAAE,KAAKoB,QAAP,EAAiBU,QAAjB,CAA0BtB,UAAUC,MAApC,CADF,EAC+C;AAC7Ca,mCAAqB,KAArB;AAED,aAJD,MAIO;AACL,kBAAMS,gBAAgB/B,EAAEwB,WAAF,EAAeG,IAAf,CAAoBf,SAASH,MAA7B,EAAqC,CAArC,CAAtB;;AAEA,kBAAIsB,aAAJ,EAAmB;AACjB/B,kBAAE+B,aAAF,EAAiBC,WAAjB,CAA6BxB,UAAUC,MAAvC;AACD;AACF;AACF;;AAED,cAAIa,kBAAJ,EAAwB;AACtB,gBAAII,MAAMO,YAAN,CAAmB,UAAnB,KACFT,YAAYS,YAAZ,CAAyB,UAAzB,CADE,IAEFP,MAAMQ,SAAN,CAAgBC,QAAhB,CAAyB,UAAzB,CAFE,IAGFX,YAAYU,SAAZ,CAAsBC,QAAtB,CAA+B,UAA/B,CAHF,EAG8C;AAC5C;AACD;AACDT,kBAAMG,OAAN,GAAgB,CAAC7B,EAAE,KAAKoB,QAAP,EAAiBU,QAAjB,CAA0BtB,UAAUC,MAApC,CAAjB;AACAT,cAAE0B,KAAF,EAASU,OAAT,CAAiB,QAAjB;AACD;;AAEDV,gBAAMW,KAAN;AACAd,2BAAiB,KAAjB;AACD;AAEF;;AAED,UAAIA,cAAJ,EAAoB;AAClB,aAAKH,QAAL,CAAckB,YAAd,CAA2B,cAA3B,EACE,CAACtC,EAAE,KAAKoB,QAAP,EAAiBU,QAAjB,CAA0BtB,UAAUC,MAApC,CADH;AAED;;AAED,UAAIa,kBAAJ,EAAwB;AACtBtB,UAAE,KAAKoB,QAAP,EAAiBmB,WAAjB,CAA6B/B,UAAUC,MAAvC;AACD;AACF,KA7GkB;;AAAA,qBA+GnB+B,OA/GmB,sBA+GT;AACRxC,QAAEyC,UAAF,CAAa,KAAKrB,QAAlB,EAA4BjB,QAA5B;AACA,WAAKiB,QAAL,GAAgB,IAAhB;AACD,KAlHkB;;AAqHnB;;AArHmB,WAuHZsB,gBAvHY,6BAuHKC,MAvHL,EAuHa;AAC9B,aAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAO7C,EAAE,IAAF,EAAQ6C,IAAR,CAAa1C,QAAb,CAAX;;AAEA,YAAI,CAAC0C,IAAL,EAAW;AACTA,iBAAO,IAAI9C,MAAJ,CAAW,IAAX,CAAP;AACAC,YAAE,IAAF,EAAQ6C,IAAR,CAAa1C,QAAb,EAAuB0C,IAAvB;AACD;;AAED,YAAIF,WAAW,QAAf,EAAyB;AACvBE,eAAKF,MAAL;AACD;AACF,OAXM,CAAP;AAYD,KApIkB;;AAAA;AAAA;AAAA,0BAoDE;AACnB,eAAOzC,OAAP;AACD;AAtDkB;;AAAA;AAAA;;AAyIrB;;;;;;AAMAF,IAAE8C,QAAF,EACGC,EADH,CACM/B,MAAMC,cADZ,EAC4BL,SAASC,kBADrC,EACyD,UAACmC,KAAD,EAAW;AAChEA,UAAMC,cAAN;;AAEA,QAAIC,SAASF,MAAMG,MAAnB;;AAEA,QAAI,CAACnD,EAAEkD,MAAF,EAAUpB,QAAV,CAAmBtB,UAAUE,MAA7B,CAAL,EAA2C;AACzCwC,eAASlD,EAAEkD,MAAF,EAAUzB,OAAV,CAAkBb,SAASF,MAA3B,CAAT;AACD;;AAEDX,WAAO2C,gBAAP,CAAwBU,IAAxB,CAA6BpD,EAAEkD,MAAF,CAA7B,EAAwC,QAAxC;AACD,GAXH,EAYGH,EAZH,CAYM/B,MAAME,mBAZZ,EAYiCN,SAASC,kBAZ1C,EAY8D,UAACmC,KAAD,EAAW;AACrE,QAAME,SAASlD,EAAEgD,MAAMG,MAAR,EAAgB1B,OAAhB,CAAwBb,SAASF,MAAjC,EAAyC,CAAzC,CAAf;AACAV,MAAEkD,MAAF,EAAUX,WAAV,CAAsB/B,UAAUG,KAAhC,EAAuC,eAAe0C,IAAf,CAAoBL,MAAMpB,IAA1B,CAAvC;AACD,GAfH;;AAkBA;;;;;;AAMA5B,IAAEO,EAAF,CAAKN,IAAL,IAAyBF,OAAO2C,gBAAhC;AACA1C,IAAEO,EAAF,CAAKN,IAAL,EAAWqD,WAAX,GAAyBvD,MAAzB;AACAC,IAAEO,EAAF,CAAKN,IAAL,EAAWsD,UAAX,GAAyB,YAAY;AACnCvD,MAAEO,EAAF,CAAKN,IAAL,IAAaK,kBAAb;AACA,WAAOP,OAAO2C,gBAAd;AACD,GAHD;;AAKA,SAAO3C,MAAP;AAED,CAhLc,CAgLZyD,MAhLY,CAAf","file":"button.js","sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Button = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'button'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.button'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const ClassName = {\n    ACTIVE : 'active',\n    BUTTON : 'btn',\n    FOCUS  : 'focus'\n  }\n\n  const Selector = {\n    DATA_TOGGLE_CARROT : '[data-toggle^=\"button\"]',\n    DATA_TOGGLE        : '[data-toggle=\"buttons\"]',\n    INPUT              : 'input',\n    ACTIVE             : '.active',\n    BUTTON             : '.btn'\n  }\n\n  const Event = {\n    CLICK_DATA_API      : `click${EVENT_KEY}${DATA_API_KEY}`,\n    FOCUS_BLUR_DATA_API : `focus${EVENT_KEY}${DATA_API_KEY} `\n                        + `blur${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Button {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      let triggerChangeEvent = true\n      let addAriaPressed = true\n      const rootElement      = $(this._element).closest(\n        Selector.DATA_TOGGLE\n      )[0]\n\n      if (rootElement) {\n        const input = $(this._element).find(Selector.INPUT)[0]\n\n        if (input) {\n          if (input.type === 'radio') {\n            if (input.checked &&\n              $(this._element).hasClass(ClassName.ACTIVE)) {\n              triggerChangeEvent = false\n\n            } else {\n              const activeElement = $(rootElement).find(Selector.ACTIVE)[0]\n\n              if (activeElement) {\n                $(activeElement).removeClass(ClassName.ACTIVE)\n              }\n            }\n          }\n\n          if (triggerChangeEvent) {\n            if (input.hasAttribute('disabled') ||\n              rootElement.hasAttribute('disabled') ||\n              input.classList.contains('disabled') ||\n              rootElement.classList.contains('disabled')) {\n              return\n            }\n            input.checked = !$(this._element).hasClass(ClassName.ACTIVE)\n            $(input).trigger('change')\n          }\n\n          input.focus()\n          addAriaPressed = false\n        }\n\n      }\n\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !$(this._element).hasClass(ClassName.ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(ClassName.ACTIVE)\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Button(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (config === 'toggle') {\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      event.preventDefault()\n\n      let button = event.target\n\n      if (!$(button).hasClass(ClassName.BUTTON)) {\n        button = $(button).closest(Selector.BUTTON)\n      }\n\n      Button._jQueryInterface.call($(button), 'toggle')\n    })\n    .on(Event.FOCUS_BLUR_DATA_API, Selector.DATA_TOGGLE_CARROT, (event) => {\n      const button = $(event.target).closest(Selector.BUTTON)[0]\n      $(button).toggleClass(ClassName.FOCUS, /^focus(in)?$/.test(event.type))\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Button._jQueryInterface\n  $.fn[NAME].Constructor = Button\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Button._jQueryInterface\n  }\n\n  return Button\n\n})(jQuery)\n\nexport default Button\n"]}
\ No newline at end of file
diff --git a/js/dist/carousel.js b/js/dist/carousel.js
index 7521844ea..18186bc13 100644
--- a/js/dist/carousel.js
+++ b/js/dist/carousel.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Carousel = function ($) {
    */
 
   var NAME = 'carousel';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.carousel';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -28,6 +28,7 @@ var Carousel = function ($) {
   var TRANSITION_DURATION = 600;
   var ARROW_LEFT_KEYCODE = 37; // KeyboardEvent.which value for left arrow key
   var ARROW_RIGHT_KEYCODE = 39; // KeyboardEvent.which value for right arrow key
+  var TOUCHEVENT_COMPAT_WAIT = 500; // Time for mouse compat events to fire after touch
 
   var Default = {
     interval: 5000,
@@ -58,6 +59,7 @@ var Carousel = function ($) {
     KEYDOWN: 'keydown' + EVENT_KEY,
     MOUSEENTER: 'mouseenter' + EVENT_KEY,
     MOUSELEAVE: 'mouseleave' + EVENT_KEY,
+    TOUCHEND: 'touchend' + EVENT_KEY,
     LOAD_DATA_API: 'load' + EVENT_KEY + DATA_API_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY
   };
@@ -100,6 +102,8 @@ var Carousel = function ($) {
       this._isPaused = false;
       this._isSliding = false;
 
+      this.touchTimeout = null;
+
       this._config = this._getConfig(config);
       this._element = $(element)[0];
       this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0];
@@ -112,10 +116,9 @@ var Carousel = function ($) {
     // public
 
     Carousel.prototype.next = function next() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.NEXT);
       }
-      this._slide(Direction.NEXT);
     };
 
     Carousel.prototype.nextWhenVisible = function nextWhenVisible() {
@@ -126,10 +129,9 @@ var Carousel = function ($) {
     };
 
     Carousel.prototype.prev = function prev() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding');
+      if (!this._isSliding) {
+        this._slide(Direction.PREV);
       }
-      this._slide(Direction.PREVIOUS);
     };
 
     Carousel.prototype.pause = function pause(event) {
@@ -185,7 +187,7 @@ var Carousel = function ($) {
         return;
       }
 
-      var direction = index > activeIndex ? Direction.NEXT : Direction.PREVIOUS;
+      var direction = index > activeIndex ? Direction.NEXT : Direction.PREV;
 
       this._slide(direction, this._items[index]);
     };
@@ -221,12 +223,30 @@ var Carousel = function ($) {
         });
       }
 
-      if (this._config.pause === 'hover' && !('ontouchstart' in document.documentElement)) {
+      if (this._config.pause === 'hover') {
         $(this._element).on(Event.MOUSEENTER, function (event) {
           return _this2.pause(event);
         }).on(Event.MOUSELEAVE, function (event) {
           return _this2.cycle(event);
         });
+        if ('ontouchstart' in document.documentElement) {
+          // if it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          $(this._element).on(Event.TOUCHEND, function () {
+            _this2.pause();
+            if (_this2.touchTimeout) {
+              clearTimeout(_this2.touchTimeout);
+            }
+            _this2.touchTimeout = setTimeout(function (event) {
+              return _this2.cycle(event);
+            }, TOUCHEVENT_COMPAT_WAIT + _this2._config.interval);
+          });
+        }
       }
     };
 
@@ -256,7 +276,7 @@ var Carousel = function ($) {
 
     Carousel.prototype._getItemByDirection = function _getItemByDirection(direction, activeElement) {
       var isNextDirection = direction === Direction.NEXT;
-      var isPrevDirection = direction === Direction.PREVIOUS;
+      var isPrevDirection = direction === Direction.PREV;
       var activeIndex = this._getItemIndex(activeElement);
       var lastItemIndex = this._items.length - 1;
       var isGoingToWrap = isPrevDirection && activeIndex === 0 || isNextDirection && activeIndex === lastItemIndex;
@@ -265,16 +285,20 @@ var Carousel = function ($) {
         return activeElement;
       }
 
-      var delta = direction === Direction.PREVIOUS ? -1 : 1;
+      var delta = direction === Direction.PREV ? -1 : 1;
       var itemIndex = (activeIndex + delta) % this._items.length;
 
       return itemIndex === -1 ? this._items[this._items.length - 1] : this._items[itemIndex];
     };
 
     Carousel.prototype._triggerSlideEvent = function _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      var targetIndex = this._getItemIndex(relatedTarget);
+      var fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0]);
       var slideEvent = $.Event(Event.SLIDE, {
         relatedTarget: relatedTarget,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
       });
 
       $(this._element).trigger(slideEvent);
@@ -298,8 +322,9 @@ var Carousel = function ($) {
       var _this3 = this;
 
       var activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0];
+      var activeElementIndex = this._getItemIndex(activeElement);
       var nextElement = element || activeElement && this._getItemByDirection(direction, activeElement);
-
+      var nextElementIndex = this._getItemIndex(nextElement);
       var isCycling = Boolean(this._interval);
 
       var directionalClassName = void 0;
@@ -341,7 +366,9 @@ var Carousel = function ($) {
 
       var slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
       });
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.SLIDE)) {
@@ -483,4 +510,4 @@ var Carousel = function ($) {
 
   return Carousel;
 }(jQuery);
-//# sourceMappingURL=carousel.js.map
+//# sourceMappingURL=carousel.js.map
\ No newline at end of file
diff --git a/js/dist/carousel.js.map b/js/dist/carousel.js.map
index f1adc4d0d..8cbfaa84d 100644
--- a/js/dist/carousel.js.map
+++ b/js/dist/carousel.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Carousel = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'carousel'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.carousel'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 600\n  const ARROW_LEFT_KEYCODE  = 37 // KeyboardEvent.which value for left arrow key\n  const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key\n\n  const Default = {\n    interval : 5000,\n    keyboard : true,\n    slide    : false,\n    pause    : 'hover',\n    wrap     : true\n  }\n\n  const DefaultType = {\n    interval : '(number|boolean)',\n    keyboard : 'boolean',\n    slide    : '(boolean|string)',\n    pause    : '(string|boolean)',\n    wrap     : 'boolean'\n  }\n\n  const Direction = {\n    NEXT     : 'next',\n    PREV     : 'prev',\n    LEFT     : 'left',\n    RIGHT    : 'right'\n  }\n\n  const Event = {\n    SLIDE          : `slide${EVENT_KEY}`,\n    SLID           : `slid${EVENT_KEY}`,\n    KEYDOWN        : `keydown${EVENT_KEY}`,\n    MOUSEENTER     : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE     : `mouseleave${EVENT_KEY}`,\n    LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    CAROUSEL : 'carousel',\n    ACTIVE   : 'active',\n    SLIDE    : 'slide',\n    RIGHT    : 'carousel-item-right',\n    LEFT     : 'carousel-item-left',\n    NEXT     : 'carousel-item-next',\n    PREV     : 'carousel-item-prev',\n    ITEM     : 'carousel-item'\n  }\n\n  const Selector = {\n    ACTIVE      : '.active',\n    ACTIVE_ITEM : '.active.carousel-item',\n    ITEM        : '.carousel-item',\n    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',\n    INDICATORS  : '.carousel-indicators',\n    DATA_SLIDE  : '[data-slide], [data-slide-to]',\n    DATA_RIDE   : '[data-ride=\"carousel\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Carousel {\n\n    constructor(element, config) {\n      this._items             = null\n      this._interval          = null\n      this._activeElement     = null\n\n      this._isPaused          = false\n      this._isSliding         = false\n\n      this._config            = this._getConfig(config)\n      this._element           = $(element)[0]\n      this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    next() {\n      if (this._isSliding) {\n        throw new Error('Carousel is sliding')\n      }\n      this._slide(Direction.NEXT)\n    }\n\n    nextWhenVisible() {\n      // Don't call next when the page isn't visible\n      if (!document.hidden) {\n        this.next()\n      }\n    }\n\n    prev() {\n      if (this._isSliding) {\n        throw new Error('Carousel is sliding')\n      }\n      this._slide(Direction.PREVIOUS)\n    }\n\n    pause(event) {\n      if (!event) {\n        this._isPaused = true\n      }\n\n      if ($(this._element).find(Selector.NEXT_PREV)[0] &&\n        Util.supportsTransitionEnd()) {\n        Util.triggerTransitionEnd(this._element)\n        this.cycle(true)\n      }\n\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    cycle(event) {\n      if (!event) {\n        this._isPaused = false\n      }\n\n      if (this._interval) {\n        clearInterval(this._interval)\n        this._interval = null\n      }\n\n      if (this._config.interval && !this._isPaused) {\n        this._interval = setInterval(\n          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n          this._config.interval\n        )\n      }\n    }\n\n    to(index) {\n      this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n\n      const activeIndex = this._getItemIndex(this._activeElement)\n\n      if (index > this._items.length - 1 || index < 0) {\n        return\n      }\n\n      if (this._isSliding) {\n        $(this._element).one(Event.SLID, () => this.to(index))\n        return\n      }\n\n      if (activeIndex === index) {\n        this.pause()\n        this.cycle()\n        return\n      }\n\n      const direction = index > activeIndex ?\n        Direction.NEXT :\n        Direction.PREVIOUS\n\n      this._slide(direction, this._items[index])\n    }\n\n    dispose() {\n      $(this._element).off(EVENT_KEY)\n      $.removeData(this._element, DATA_KEY)\n\n      this._items             = null\n      this._config            = null\n      this._element           = null\n      this._interval          = null\n      this._isPaused          = null\n      this._isSliding         = null\n      this._activeElement     = null\n      this._indicatorsElement = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _addEventListeners() {\n      if (this._config.keyboard) {\n        $(this._element)\n          .on(Event.KEYDOWN, (event) => this._keydown(event))\n      }\n\n      if (this._config.pause === 'hover' &&\n        !('ontouchstart' in document.documentElement)) {\n        $(this._element)\n          .on(Event.MOUSEENTER, (event) => this.pause(event))\n          .on(Event.MOUSELEAVE, (event) => this.cycle(event))\n      }\n    }\n\n    _keydown(event) {\n      if (/input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      switch (event.which) {\n        case ARROW_LEFT_KEYCODE:\n          event.preventDefault()\n          this.prev()\n          break\n        case ARROW_RIGHT_KEYCODE:\n          event.preventDefault()\n          this.next()\n          break\n        default:\n          return\n      }\n    }\n\n    _getItemIndex(element) {\n      this._items = $.makeArray($(element).parent().find(Selector.ITEM))\n      return this._items.indexOf(element)\n    }\n\n    _getItemByDirection(direction, activeElement) {\n      const isNextDirection = direction === Direction.NEXT\n      const isPrevDirection = direction === Direction.PREVIOUS\n      const activeIndex     = this._getItemIndex(activeElement)\n      const lastItemIndex   = this._items.length - 1\n      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                              isNextDirection && activeIndex === lastItemIndex\n\n      if (isGoingToWrap && !this._config.wrap) {\n        return activeElement\n      }\n\n      const delta     = direction === Direction.PREVIOUS ? -1 : 1\n      const itemIndex = (activeIndex + delta) % this._items.length\n\n      return itemIndex === -1 ?\n        this._items[this._items.length - 1] : this._items[itemIndex]\n    }\n\n\n    _triggerSlideEvent(relatedTarget, eventDirectionName) {\n      const slideEvent = $.Event(Event.SLIDE, {\n        relatedTarget,\n        direction: eventDirectionName\n      })\n\n      $(this._element).trigger(slideEvent)\n\n      return slideEvent\n    }\n\n    _setActiveIndicatorElement(element) {\n      if (this._indicatorsElement) {\n        $(this._indicatorsElement)\n          .find(Selector.ACTIVE)\n          .removeClass(ClassName.ACTIVE)\n\n        const nextIndicator = this._indicatorsElement.children[\n          this._getItemIndex(element)\n        ]\n\n        if (nextIndicator) {\n          $(nextIndicator).addClass(ClassName.ACTIVE)\n        }\n      }\n    }\n\n    _slide(direction, element) {\n      const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n      const nextElement   = element || activeElement &&\n        this._getItemByDirection(direction, activeElement)\n\n      const isCycling = Boolean(this._interval)\n\n      let directionalClassName\n      let orderClassName\n      let eventDirectionName\n\n      if (direction === Direction.NEXT) {\n        directionalClassName = ClassName.LEFT\n        orderClassName = ClassName.NEXT\n        eventDirectionName = Direction.LEFT\n      } else {\n        directionalClassName = ClassName.RIGHT\n        orderClassName = ClassName.PREV\n        eventDirectionName = Direction.RIGHT\n      }\n\n      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {\n        this._isSliding = false\n        return\n      }\n\n      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n      if (slideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (!activeElement || !nextElement) {\n        // some weirdness is happening, so we bail\n        return\n      }\n\n      this._isSliding = true\n\n      if (isCycling) {\n        this.pause()\n      }\n\n      this._setActiveIndicatorElement(nextElement)\n\n      const slidEvent = $.Event(Event.SLID, {\n        relatedTarget: nextElement,\n        direction: eventDirectionName\n      })\n\n      if (Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.SLIDE)) {\n\n        $(nextElement).addClass(orderClassName)\n\n        Util.reflow(nextElement)\n\n        $(activeElement).addClass(directionalClassName)\n        $(nextElement).addClass(directionalClassName)\n\n        $(activeElement)\n          .one(Util.TRANSITION_END, () => {\n            $(nextElement)\n              .removeClass(`${directionalClassName} ${orderClassName}`)\n              .addClass(ClassName.ACTIVE)\n\n            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n            this._isSliding = false\n\n            setTimeout(() => $(this._element).trigger(slidEvent), 0)\n\n          })\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        $(activeElement).removeClass(ClassName.ACTIVE)\n        $(nextElement).addClass(ClassName.ACTIVE)\n\n        this._isSliding = false\n        $(this._element).trigger(slidEvent)\n      }\n\n      if (isCycling) {\n        this.cycle()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend({}, Default, $(this).data())\n\n        if (typeof config === 'object') {\n          $.extend(_config, config)\n        }\n\n        const action = typeof config === 'string' ? config : _config.slide\n\n        if (!data) {\n          data = new Carousel(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'number') {\n          data.to(config)\n        } else if (typeof action === 'string') {\n          if (data[action] === undefined) {\n            throw new Error(`No method named \"${action}\"`)\n          }\n          data[action]()\n        } else if (_config.interval) {\n          data.pause()\n          data.cycle()\n        }\n      })\n    }\n\n    static _dataApiClickHandler(event) {\n      const selector = Util.getSelectorFromElement(this)\n\n      if (!selector) {\n        return\n      }\n\n      const target = $(selector)[0]\n\n      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {\n        return\n      }\n\n      const config     = $.extend({}, $(target).data(), $(this).data())\n      const slideIndex = this.getAttribute('data-slide-to')\n\n      if (slideIndex) {\n        config.interval = false\n      }\n\n      Carousel._jQueryInterface.call($(target), config)\n\n      if (slideIndex) {\n        $(target).data(DATA_KEY).to(slideIndex)\n      }\n\n      event.preventDefault()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    $(Selector.DATA_RIDE).each(function () {\n      const $carousel = $(this)\n      Carousel._jQueryInterface.call($carousel, $carousel.data())\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Carousel._jQueryInterface\n  $.fn[NAME].Constructor = Carousel\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Carousel._jQueryInterface\n  }\n\n  return Carousel\n\n})(jQuery)\n\nexport default Carousel\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Carousel = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                   = 'carousel'\n  const VERSION                = '4.0.0-alpha.6'\n  const DATA_KEY               = 'bs.carousel'\n  const EVENT_KEY              = `.${DATA_KEY}`\n  const DATA_API_KEY           = '.data-api'\n  const JQUERY_NO_CONFLICT     = $.fn[NAME]\n  const TRANSITION_DURATION    = 600\n  const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\n  const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\n  const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\n\n  const Default = {\n    interval : 5000,\n    keyboard : true,\n    slide    : false,\n    pause    : 'hover',\n    wrap     : true\n  }\n\n  const DefaultType = {\n    interval : '(number|boolean)',\n    keyboard : 'boolean',\n    slide    : '(boolean|string)',\n    pause    : '(string|boolean)',\n    wrap     : 'boolean'\n  }\n\n  const Direction = {\n    NEXT     : 'next',\n    PREV     : 'prev',\n    LEFT     : 'left',\n    RIGHT    : 'right'\n  }\n\n  const Event = {\n    SLIDE          : `slide${EVENT_KEY}`,\n    SLID           : `slid${EVENT_KEY}`,\n    KEYDOWN        : `keydown${EVENT_KEY}`,\n    MOUSEENTER     : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE     : `mouseleave${EVENT_KEY}`,\n    TOUCHEND       : `touchend${EVENT_KEY}`,\n    LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    CAROUSEL : 'carousel',\n    ACTIVE   : 'active',\n    SLIDE    : 'slide',\n    RIGHT    : 'carousel-item-right',\n    LEFT     : 'carousel-item-left',\n    NEXT     : 'carousel-item-next',\n    PREV     : 'carousel-item-prev',\n    ITEM     : 'carousel-item'\n  }\n\n  const Selector = {\n    ACTIVE      : '.active',\n    ACTIVE_ITEM : '.active.carousel-item',\n    ITEM        : '.carousel-item',\n    NEXT_PREV   : '.carousel-item-next, .carousel-item-prev',\n    INDICATORS  : '.carousel-indicators',\n    DATA_SLIDE  : '[data-slide], [data-slide-to]',\n    DATA_RIDE   : '[data-ride=\"carousel\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Carousel {\n\n    constructor(element, config) {\n      this._items             = null\n      this._interval          = null\n      this._activeElement     = null\n\n      this._isPaused          = false\n      this._isSliding         = false\n\n      this.touchTimeout       = null\n\n      this._config            = this._getConfig(config)\n      this._element           = $(element)[0]\n      this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    next() {\n      if (!this._isSliding) {\n        this._slide(Direction.NEXT)\n      }\n    }\n\n    nextWhenVisible() {\n      // Don't call next when the page isn't visible\n      if (!document.hidden) {\n        this.next()\n      }\n    }\n\n    prev() {\n      if (!this._isSliding) {\n        this._slide(Direction.PREV)\n      }\n    }\n\n    pause(event) {\n      if (!event) {\n        this._isPaused = true\n      }\n\n      if ($(this._element).find(Selector.NEXT_PREV)[0] &&\n        Util.supportsTransitionEnd()) {\n        Util.triggerTransitionEnd(this._element)\n        this.cycle(true)\n      }\n\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    cycle(event) {\n      if (!event) {\n        this._isPaused = false\n      }\n\n      if (this._interval) {\n        clearInterval(this._interval)\n        this._interval = null\n      }\n\n      if (this._config.interval && !this._isPaused) {\n        this._interval = setInterval(\n          (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n          this._config.interval\n        )\n      }\n    }\n\n    to(index) {\n      this._activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n\n      const activeIndex = this._getItemIndex(this._activeElement)\n\n      if (index > this._items.length - 1 || index < 0) {\n        return\n      }\n\n      if (this._isSliding) {\n        $(this._element).one(Event.SLID, () => this.to(index))\n        return\n      }\n\n      if (activeIndex === index) {\n        this.pause()\n        this.cycle()\n        return\n      }\n\n      const direction = index > activeIndex ?\n        Direction.NEXT :\n        Direction.PREV\n\n      this._slide(direction, this._items[index])\n    }\n\n    dispose() {\n      $(this._element).off(EVENT_KEY)\n      $.removeData(this._element, DATA_KEY)\n\n      this._items             = null\n      this._config            = null\n      this._element           = null\n      this._interval          = null\n      this._isPaused          = null\n      this._isSliding         = null\n      this._activeElement     = null\n      this._indicatorsElement = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _addEventListeners() {\n      if (this._config.keyboard) {\n        $(this._element)\n          .on(Event.KEYDOWN, (event) => this._keydown(event))\n      }\n\n      if (this._config.pause === 'hover') {\n        $(this._element)\n          .on(Event.MOUSEENTER, (event) => this.pause(event))\n          .on(Event.MOUSELEAVE, (event) => this.cycle(event))\n        if ('ontouchstart' in document.documentElement) {\n          // if it's a touch-enabled device, mouseenter/leave are fired as\n          // part of the mouse compatibility events on first tap - the carousel\n          // would stop cycling until user tapped out of it;\n          // here, we listen for touchend, explicitly pause the carousel\n          // (as if it's the second time we tap on it, mouseenter compat event\n          // is NOT fired) and after a timeout (to allow for mouse compatibility\n          // events to fire) we explicitly restart cycling\n          $(this._element).on(Event.TOUCHEND, () => {\n            this.pause()\n            if (this.touchTimeout) {\n              clearTimeout(this.touchTimeout)\n            }\n            this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n          })\n        }\n      }\n    }\n\n    _keydown(event) {\n      if (/input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      switch (event.which) {\n        case ARROW_LEFT_KEYCODE:\n          event.preventDefault()\n          this.prev()\n          break\n        case ARROW_RIGHT_KEYCODE:\n          event.preventDefault()\n          this.next()\n          break\n        default:\n          return\n      }\n    }\n\n    _getItemIndex(element) {\n      this._items = $.makeArray($(element).parent().find(Selector.ITEM))\n      return this._items.indexOf(element)\n    }\n\n    _getItemByDirection(direction, activeElement) {\n      const isNextDirection = direction === Direction.NEXT\n      const isPrevDirection = direction === Direction.PREV\n      const activeIndex     = this._getItemIndex(activeElement)\n      const lastItemIndex   = this._items.length - 1\n      const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                              isNextDirection && activeIndex === lastItemIndex\n\n      if (isGoingToWrap && !this._config.wrap) {\n        return activeElement\n      }\n\n      const delta     = direction === Direction.PREV ? -1 : 1\n      const itemIndex = (activeIndex + delta) % this._items.length\n\n      return itemIndex === -1 ?\n        this._items[this._items.length - 1] : this._items[itemIndex]\n    }\n\n\n    _triggerSlideEvent(relatedTarget, eventDirectionName) {\n      const targetIndex = this._getItemIndex(relatedTarget)\n      const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])\n      const slideEvent = $.Event(Event.SLIDE, {\n        relatedTarget,\n        direction: eventDirectionName,\n        from: fromIndex,\n        to: targetIndex\n      })\n\n      $(this._element).trigger(slideEvent)\n\n      return slideEvent\n    }\n\n    _setActiveIndicatorElement(element) {\n      if (this._indicatorsElement) {\n        $(this._indicatorsElement)\n          .find(Selector.ACTIVE)\n          .removeClass(ClassName.ACTIVE)\n\n        const nextIndicator = this._indicatorsElement.children[\n          this._getItemIndex(element)\n        ]\n\n        if (nextIndicator) {\n          $(nextIndicator).addClass(ClassName.ACTIVE)\n        }\n      }\n    }\n\n    _slide(direction, element) {\n      const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]\n      const activeElementIndex = this._getItemIndex(activeElement)\n      const nextElement   = element || activeElement &&\n        this._getItemByDirection(direction, activeElement)\n      const nextElementIndex = this._getItemIndex(nextElement)\n      const isCycling = Boolean(this._interval)\n\n      let directionalClassName\n      let orderClassName\n      let eventDirectionName\n\n      if (direction === Direction.NEXT) {\n        directionalClassName = ClassName.LEFT\n        orderClassName = ClassName.NEXT\n        eventDirectionName = Direction.LEFT\n      } else {\n        directionalClassName = ClassName.RIGHT\n        orderClassName = ClassName.PREV\n        eventDirectionName = Direction.RIGHT\n      }\n\n      if (nextElement && $(nextElement).hasClass(ClassName.ACTIVE)) {\n        this._isSliding = false\n        return\n      }\n\n      const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n      if (slideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (!activeElement || !nextElement) {\n        // some weirdness is happening, so we bail\n        return\n      }\n\n      this._isSliding = true\n\n      if (isCycling) {\n        this.pause()\n      }\n\n      this._setActiveIndicatorElement(nextElement)\n\n      const slidEvent = $.Event(Event.SLID, {\n        relatedTarget: nextElement,\n        direction: eventDirectionName,\n        from: activeElementIndex,\n        to: nextElementIndex\n      })\n\n      if (Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.SLIDE)) {\n\n        $(nextElement).addClass(orderClassName)\n\n        Util.reflow(nextElement)\n\n        $(activeElement).addClass(directionalClassName)\n        $(nextElement).addClass(directionalClassName)\n\n        $(activeElement)\n          .one(Util.TRANSITION_END, () => {\n            $(nextElement)\n              .removeClass(`${directionalClassName} ${orderClassName}`)\n              .addClass(ClassName.ACTIVE)\n\n            $(activeElement).removeClass(`${ClassName.ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n            this._isSliding = false\n\n            setTimeout(() => $(this._element).trigger(slidEvent), 0)\n\n          })\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        $(activeElement).removeClass(ClassName.ACTIVE)\n        $(nextElement).addClass(ClassName.ACTIVE)\n\n        this._isSliding = false\n        $(this._element).trigger(slidEvent)\n      }\n\n      if (isCycling) {\n        this.cycle()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend({}, Default, $(this).data())\n\n        if (typeof config === 'object') {\n          $.extend(_config, config)\n        }\n\n        const action = typeof config === 'string' ? config : _config.slide\n\n        if (!data) {\n          data = new Carousel(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'number') {\n          data.to(config)\n        } else if (typeof action === 'string') {\n          if (data[action] === undefined) {\n            throw new Error(`No method named \"${action}\"`)\n          }\n          data[action]()\n        } else if (_config.interval) {\n          data.pause()\n          data.cycle()\n        }\n      })\n    }\n\n    static _dataApiClickHandler(event) {\n      const selector = Util.getSelectorFromElement(this)\n\n      if (!selector) {\n        return\n      }\n\n      const target = $(selector)[0]\n\n      if (!target || !$(target).hasClass(ClassName.CAROUSEL)) {\n        return\n      }\n\n      const config     = $.extend({}, $(target).data(), $(this).data())\n      const slideIndex = this.getAttribute('data-slide-to')\n\n      if (slideIndex) {\n        config.interval = false\n      }\n\n      Carousel._jQueryInterface.call($(target), config)\n\n      if (slideIndex) {\n        $(target).data(DATA_KEY).to(slideIndex)\n      }\n\n      event.preventDefault()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_SLIDE, Carousel._dataApiClickHandler)\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    $(Selector.DATA_RIDE).each(function () {\n      const $carousel = $(this)\n      Carousel._jQueryInterface.call($carousel, $carousel.data())\n    })\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Carousel._jQueryInterface\n  $.fn[NAME].Constructor = Carousel\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Carousel._jQueryInterface\n  }\n\n  return Carousel\n\n})(jQuery)\n\nexport default Carousel\n"]}
\ No newline at end of file
diff --git a/js/dist/collapse.js b/js/dist/collapse.js
index 000c9256e..0e2bc75e2 100644
--- a/js/dist/collapse.js
+++ b/js/dist/collapse.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Collapse = function ($) {
    */
 
   var NAME = 'collapse';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.collapse';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -58,7 +58,7 @@ var Collapse = function ($) {
   };
 
   var Selector = {
-    ACTIVES: '.card > .show, .card > .collapsing',
+    ACTIVES: '.show, .collapsing',
     DATA_TOGGLE: '[data-toggle="collapse"]'
   };
 
@@ -103,11 +103,7 @@ var Collapse = function ($) {
     Collapse.prototype.show = function show() {
       var _this = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if ($(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || $(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -115,7 +111,7 @@ var Collapse = function ($) {
       var activesData = void 0;
 
       if (this._parent) {
-        actives = $.makeArray($(this._parent).find(Selector.ACTIVES));
+        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES));
         if (!actives.length) {
           actives = null;
         }
@@ -146,7 +142,6 @@ var Collapse = function ($) {
       $(this._element).removeClass(ClassName.COLLAPSE).addClass(ClassName.COLLAPSING);
 
       this._element.style[dimension] = 0;
-      this._element.setAttribute('aria-expanded', true);
 
       if (this._triggerArray.length) {
         $(this._triggerArray).removeClass(ClassName.COLLAPSED).attr('aria-expanded', true);
@@ -180,11 +175,7 @@ var Collapse = function ($) {
     Collapse.prototype.hide = function hide() {
       var _this2 = this;
 
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning');
-      }
-
-      if (!$(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning || !$(this._element).hasClass(ClassName.SHOW)) {
         return;
       }
 
@@ -195,16 +186,13 @@ var Collapse = function ($) {
       }
 
       var dimension = this._getDimension();
-      var offsetDimension = dimension === Dimension.WIDTH ? 'offsetWidth' : 'offsetHeight';
 
-      this._element.style[dimension] = this._element[offsetDimension] + 'px';
+      this._element.style[dimension] = this._element.getBoundingClientRect()[dimension] + 'px';
 
       Util.reflow(this._element);
 
       $(this._element).addClass(ClassName.COLLAPSING).removeClass(ClassName.COLLAPSE).removeClass(ClassName.SHOW);
 
-      this._element.setAttribute('aria-expanded', false);
-
       if (this._triggerArray.length) {
         $(this._triggerArray).addClass(ClassName.COLLAPSED).attr('aria-expanded', false);
       }
@@ -270,7 +258,6 @@ var Collapse = function ($) {
     Collapse.prototype._addAriaAndCollapsedClass = function _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
         var isOpen = $(element).hasClass(ClassName.SHOW);
-        element.setAttribute('aria-expanded', isOpen);
 
         if (triggerArray.length) {
           $(triggerArray).toggleClass(ClassName.COLLAPSED, !isOpen).attr('aria-expanded', isOpen);
@@ -331,7 +318,9 @@ var Collapse = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    event.preventDefault();
+    if (!/input|textarea/i.test(event.target.tagName)) {
+      event.preventDefault();
+    }
 
     var target = Collapse._getTargetFromElement(this);
     var data = $(target).data(DATA_KEY);
@@ -355,4 +344,4 @@ var Collapse = function ($) {
 
   return Collapse;
 }(jQuery);
-//# sourceMappingURL=collapse.js.map
+//# sourceMappingURL=collapse.js.map
\ No newline at end of file
diff --git a/js/dist/collapse.js.map b/js/dist/collapse.js.map
index 806102727..5fa9f74fa 100644
--- a/js/dist/collapse.js.map
+++ b/js/dist/collapse.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Collapse = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'collapse'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.collapse'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 600\n\n  const Default = {\n    toggle : true,\n    parent : ''\n  }\n\n  const DefaultType = {\n    toggle : 'boolean',\n    parent : 'string'\n  }\n\n  const Event = {\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SHOW       : 'show',\n    COLLAPSE   : 'collapse',\n    COLLAPSING : 'collapsing',\n    COLLAPSED  : 'collapsed'\n  }\n\n  const Dimension = {\n    WIDTH  : 'width',\n    HEIGHT : 'height'\n  }\n\n  const Selector = {\n    ACTIVES     : '.card > .show, .card > .collapsing',\n    DATA_TOGGLE : '[data-toggle=\"collapse\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Collapse {\n\n    constructor(element, config) {\n      this._isTransitioning = false\n      this._element         = element\n      this._config          = this._getConfig(config)\n      this._triggerArray    = $.makeArray($(\n        `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n        `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n      ))\n\n      this._parent = this._config.parent ? this._getParent() : null\n\n      if (!this._config.parent) {\n        this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n      }\n\n      if (this._config.toggle) {\n        this.toggle()\n      }\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle() {\n      if ($(this._element).hasClass(ClassName.SHOW)) {\n        this.hide()\n      } else {\n        this.show()\n      }\n    }\n\n    show() {\n      if (this._isTransitioning) {\n        throw new Error('Collapse is transitioning')\n      }\n\n      if ($(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      let actives\n      let activesData\n\n      if (this._parent) {\n        actives = $.makeArray($(this._parent).find(Selector.ACTIVES))\n        if (!actives.length) {\n          actives = null\n        }\n      }\n\n      if (actives) {\n        activesData = $(actives).data(DATA_KEY)\n        if (activesData && activesData._isTransitioning) {\n          return\n        }\n      }\n\n      const startEvent = $.Event(Event.SHOW)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (actives) {\n        Collapse._jQueryInterface.call($(actives), 'hide')\n        if (!activesData) {\n          $(actives).data(DATA_KEY, null)\n        }\n      }\n\n      const dimension = this._getDimension()\n\n      $(this._element)\n        .removeClass(ClassName.COLLAPSE)\n        .addClass(ClassName.COLLAPSING)\n\n      this._element.style[dimension] = 0\n      this._element.setAttribute('aria-expanded', true)\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .removeClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', true)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .addClass(ClassName.SHOW)\n\n        this._element.style[dimension] = ''\n\n        this.setTransitioning(false)\n\n        $(this._element).trigger(Event.SHOWN)\n      }\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n      const scrollSize           = `scroll${capitalizedDimension}`\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n\n      this._element.style[dimension] = `${this._element[scrollSize]}px`\n    }\n\n    hide() {\n      if (this._isTransitioning) {\n        throw new Error('Collapse is transitioning')\n      }\n\n      if (!$(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      const startEvent = $.Event(Event.HIDE)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      const dimension       = this._getDimension()\n      const offsetDimension = dimension === Dimension.WIDTH ?\n        'offsetWidth' : 'offsetHeight'\n\n      this._element.style[dimension] = `${this._element[offsetDimension]}px`\n\n      Util.reflow(this._element)\n\n      $(this._element)\n        .addClass(ClassName.COLLAPSING)\n        .removeClass(ClassName.COLLAPSE)\n        .removeClass(ClassName.SHOW)\n\n      this._element.setAttribute('aria-expanded', false)\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .addClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', false)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        this.setTransitioning(false)\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .trigger(Event.HIDDEN)\n      }\n\n      this._element.style[dimension] = ''\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    setTransitioning(isTransitioning) {\n      this._isTransitioning = isTransitioning\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      this._config          = null\n      this._parent          = null\n      this._element         = null\n      this._triggerArray    = null\n      this._isTransitioning = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      config.toggle = Boolean(config.toggle) // coerce string values\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _getDimension() {\n      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)\n      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT\n    }\n\n    _getParent() {\n      const parent   = $(this._config.parent)[0]\n      const selector =\n        `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n\n      $(parent).find(selector).each((i, element) => {\n        this._addAriaAndCollapsedClass(\n          Collapse._getTargetFromElement(element),\n          [element]\n        )\n      })\n\n      return parent\n    }\n\n    _addAriaAndCollapsedClass(element, triggerArray) {\n      if (element) {\n        const isOpen = $(element).hasClass(ClassName.SHOW)\n        element.setAttribute('aria-expanded', isOpen)\n\n        if (triggerArray.length) {\n          $(triggerArray)\n            .toggleClass(ClassName.COLLAPSED, !isOpen)\n            .attr('aria-expanded', isOpen)\n        }\n      }\n    }\n\n\n    // static\n\n    static _getTargetFromElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      return selector ? $(selector)[0] : null\n    }\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this   = $(this)\n        let data      = $this.data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Default,\n          $this.data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data && _config.toggle && /show|hide/.test(config)) {\n          _config.toggle = false\n        }\n\n        if (!data) {\n          data = new Collapse(this, _config)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    event.preventDefault()\n\n    const target = Collapse._getTargetFromElement(this)\n    const data   = $(target).data(DATA_KEY)\n    const config = data ? 'toggle' : $(this).data()\n\n    Collapse._jQueryInterface.call($(target), config)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Collapse._jQueryInterface\n  $.fn[NAME].Constructor = Collapse\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Collapse._jQueryInterface\n  }\n\n  return Collapse\n\n})(jQuery)\n\nexport default Collapse\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Collapse = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'collapse'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.collapse'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 600\n\n  const Default = {\n    toggle : true,\n    parent : ''\n  }\n\n  const DefaultType = {\n    toggle : 'boolean',\n    parent : 'string'\n  }\n\n  const Event = {\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SHOW       : 'show',\n    COLLAPSE   : 'collapse',\n    COLLAPSING : 'collapsing',\n    COLLAPSED  : 'collapsed'\n  }\n\n  const Dimension = {\n    WIDTH  : 'width',\n    HEIGHT : 'height'\n  }\n\n  const Selector = {\n    ACTIVES     : '.show, .collapsing',\n    DATA_TOGGLE : '[data-toggle=\"collapse\"]'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Collapse {\n\n    constructor(element, config) {\n      this._isTransitioning = false\n      this._element         = element\n      this._config          = this._getConfig(config)\n      this._triggerArray    = $.makeArray($(\n        `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n        `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n      ))\n\n      this._parent = this._config.parent ? this._getParent() : null\n\n      if (!this._config.parent) {\n        this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n      }\n\n      if (this._config.toggle) {\n        this.toggle()\n      }\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle() {\n      if ($(this._element).hasClass(ClassName.SHOW)) {\n        this.hide()\n      } else {\n        this.show()\n      }\n    }\n\n    show() {\n      if (this._isTransitioning ||\n        $(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      let actives\n      let activesData\n\n      if (this._parent) {\n        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES))\n        if (!actives.length) {\n          actives = null\n        }\n      }\n\n      if (actives) {\n        activesData = $(actives).data(DATA_KEY)\n        if (activesData && activesData._isTransitioning) {\n          return\n        }\n      }\n\n      const startEvent = $.Event(Event.SHOW)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (actives) {\n        Collapse._jQueryInterface.call($(actives), 'hide')\n        if (!activesData) {\n          $(actives).data(DATA_KEY, null)\n        }\n      }\n\n      const dimension = this._getDimension()\n\n      $(this._element)\n        .removeClass(ClassName.COLLAPSE)\n        .addClass(ClassName.COLLAPSING)\n\n      this._element.style[dimension] = 0\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .removeClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', true)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .addClass(ClassName.SHOW)\n\n        this._element.style[dimension] = ''\n\n        this.setTransitioning(false)\n\n        $(this._element).trigger(Event.SHOWN)\n      }\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n      const scrollSize           = `scroll${capitalizedDimension}`\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n\n      this._element.style[dimension] = `${this._element[scrollSize]}px`\n    }\n\n    hide() {\n      if (this._isTransitioning ||\n        !$(this._element).hasClass(ClassName.SHOW)) {\n        return\n      }\n\n      const startEvent = $.Event(Event.HIDE)\n      $(this._element).trigger(startEvent)\n      if (startEvent.isDefaultPrevented()) {\n        return\n      }\n\n      const dimension       = this._getDimension()\n\n      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n      Util.reflow(this._element)\n\n      $(this._element)\n        .addClass(ClassName.COLLAPSING)\n        .removeClass(ClassName.COLLAPSE)\n        .removeClass(ClassName.SHOW)\n\n      if (this._triggerArray.length) {\n        $(this._triggerArray)\n          .addClass(ClassName.COLLAPSED)\n          .attr('aria-expanded', false)\n      }\n\n      this.setTransitioning(true)\n\n      const complete = () => {\n        this.setTransitioning(false)\n        $(this._element)\n          .removeClass(ClassName.COLLAPSING)\n          .addClass(ClassName.COLLAPSE)\n          .trigger(Event.HIDDEN)\n      }\n\n      this._element.style[dimension] = ''\n\n      if (!Util.supportsTransitionEnd()) {\n        complete()\n        return\n      }\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(TRANSITION_DURATION)\n    }\n\n    setTransitioning(isTransitioning) {\n      this._isTransitioning = isTransitioning\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      this._config          = null\n      this._parent          = null\n      this._element         = null\n      this._triggerArray    = null\n      this._isTransitioning = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      config.toggle = Boolean(config.toggle) // coerce string values\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _getDimension() {\n      const hasWidth = $(this._element).hasClass(Dimension.WIDTH)\n      return hasWidth ? Dimension.WIDTH : Dimension.HEIGHT\n    }\n\n    _getParent() {\n      const parent   = $(this._config.parent)[0]\n      const selector =\n        `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n\n      $(parent).find(selector).each((i, element) => {\n        this._addAriaAndCollapsedClass(\n          Collapse._getTargetFromElement(element),\n          [element]\n        )\n      })\n\n      return parent\n    }\n\n    _addAriaAndCollapsedClass(element, triggerArray) {\n      if (element) {\n        const isOpen = $(element).hasClass(ClassName.SHOW)\n\n        if (triggerArray.length) {\n          $(triggerArray)\n            .toggleClass(ClassName.COLLAPSED, !isOpen)\n            .attr('aria-expanded', isOpen)\n        }\n      }\n    }\n\n\n    // static\n\n    static _getTargetFromElement(element) {\n      const selector = Util.getSelectorFromElement(element)\n      return selector ? $(selector)[0] : null\n    }\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this   = $(this)\n        let data      = $this.data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Default,\n          $this.data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data && _config.toggle && /show|hide/.test(config)) {\n          _config.toggle = false\n        }\n\n        if (!data) {\n          data = new Collapse(this, _config)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    if (!/input|textarea/i.test(event.target.tagName)) {\n      event.preventDefault()\n    }\n\n    const target = Collapse._getTargetFromElement(this)\n    const data   = $(target).data(DATA_KEY)\n    const config = data ? 'toggle' : $(this).data()\n\n    Collapse._jQueryInterface.call($(target), config)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Collapse._jQueryInterface\n  $.fn[NAME].Constructor = Collapse\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Collapse._jQueryInterface\n  }\n\n  return Collapse\n\n})(jQuery)\n\nexport default Collapse\n"]}
\ No newline at end of file
diff --git a/js/dist/dropdown.js b/js/dist/dropdown.js
index 1045b37d0..a2593e162 100644
--- a/js/dist/dropdown.js
+++ b/js/dist/dropdown.js
@@ -1,10 +1,12 @@
+var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };
+
 var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -12,21 +14,32 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 var Dropdown = function ($) {
 
   /**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)');
+  }
+
+  /**
    * ------------------------------------------------------------------------
    * Constants
    * ------------------------------------------------------------------------
    */
 
   var NAME = 'dropdown';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.dropdown';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var ESCAPE_KEYCODE = 27; // KeyboardEvent.which value for Escape (Esc) key
+  var SPACE_KEYCODE = 32; // KeyboardEvent.which value for space key
+  var TAB_KEYCODE = 9; // KeyboardEvent.which value for tab key
   var ARROW_UP_KEYCODE = 38; // KeyboardEvent.which value for up arrow key
   var ARROW_DOWN_KEYCODE = 40; // KeyboardEvent.which value for down arrow key
   var RIGHT_MOUSE_BUTTON_WHICH = 3; // MouseEvent.which value for the right button (assuming a right-handed mouse)
+  var REGEXP_KEYDOWN = new RegExp(ARROW_UP_KEYCODE + '|' + ARROW_DOWN_KEYCODE + '|' + ESCAPE_KEYCODE);
 
   var Event = {
     HIDE: 'hide' + EVENT_KEY,
@@ -35,23 +48,43 @@ var Dropdown = function ($) {
     SHOWN: 'shown' + EVENT_KEY,
     CLICK: 'click' + EVENT_KEY,
     CLICK_DATA_API: 'click' + EVENT_KEY + DATA_API_KEY,
-    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY
+    KEYDOWN_DATA_API: 'keydown' + EVENT_KEY + DATA_API_KEY,
+    KEYUP_DATA_API: 'keyup' + EVENT_KEY + DATA_API_KEY
   };
 
   var ClassName = {
-    BACKDROP: 'dropdown-backdrop',
     DISABLED: 'disabled',
-    SHOW: 'show'
+    SHOW: 'show',
+    DROPUP: 'dropup',
+    MENURIGHT: 'dropdown-menu-right',
+    MENULEFT: 'dropdown-menu-left'
   };
 
   var Selector = {
-    BACKDROP: '.dropdown-backdrop',
     DATA_TOGGLE: '[data-toggle="dropdown"]',
     FORM_CHILD: '.dropdown form',
-    ROLE_MENU: '[role="menu"]',
-    ROLE_LISTBOX: '[role="listbox"]',
+    MENU: '.dropdown-menu',
     NAVBAR_NAV: '.navbar-nav',
-    VISIBLE_ITEMS: '[role="menu"] li:not(.disabled) a, ' + '[role="listbox"] li:not(.disabled) a'
+    VISIBLE_ITEMS: '.dropdown-menu .dropdown-item:not(.disabled)'
+  };
+
+  var AttachmentMap = {
+    TOP: 'top-start',
+    TOPEND: 'top-end',
+    BOTTOM: 'bottom-start',
+    BOTTOMEND: 'bottom-end'
+  };
+
+  var Default = {
+    placement: AttachmentMap.BOTTOM,
+    offset: 0,
+    flip: true
+  };
+
+  var DefaultType = {
+    placement: 'string',
+    offset: '(number|string)',
+    flip: 'boolean'
   };
 
   /**
@@ -61,10 +94,13 @@ var Dropdown = function ($) {
    */
 
   var Dropdown = function () {
-    function Dropdown(element) {
+    function Dropdown(element, config) {
       _classCallCheck(this, Dropdown);
 
       this._element = element;
+      this._popper = null;
+      this._config = this._getConfig(config);
+      this._menu = this._getMenuElement();
 
       this._addEventListeners();
     }
@@ -74,58 +110,130 @@ var Dropdown = function ($) {
     // public
 
     Dropdown.prototype.toggle = function toggle() {
-      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
-        return false;
+      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+        return;
       }
 
-      var parent = Dropdown._getParentFromElement(this);
-      var isActive = $(parent).hasClass(ClassName.SHOW);
+      var parent = Dropdown._getParentFromElement(this._element);
+      var isActive = $(this._menu).hasClass(ClassName.SHOW);
 
       Dropdown._clearMenus();
 
       if (isActive) {
-        return false;
-      }
-
-      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
-
-        // if mobile we use a backdrop because click events don't delegate
-        var dropdown = document.createElement('div');
-        dropdown.className = ClassName.BACKDROP;
-        $(dropdown).insertBefore(this);
-        $(dropdown).on('click', Dropdown._clearMenus);
+        return;
       }
 
       var relatedTarget = {
-        relatedTarget: this
+        relatedTarget: this._element
       };
       var showEvent = $.Event(Event.SHOW, relatedTarget);
 
       $(parent).trigger(showEvent);
 
       if (showEvent.isDefaultPrevented()) {
-        return false;
+        return;
       }
 
-      this.focus();
-      this.setAttribute('aria-expanded', true);
+      var element = this._element;
+      // for dropup with alignment we use the parent as popper container
+      if ($(parent).hasClass(ClassName.DROPUP)) {
+        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+          element = parent;
+        }
+      }
+      this._popper = new Popper(element, this._menu, {
+        placement: this._getPlacement(),
+        modifiers: {
+          offset: {
+            offset: this._config.offset
+          },
+          flip: {
+            enabled: this._config.flip
+          }
+        }
+      });
+
+      // if this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement && !$(parent).closest(Selector.NAVBAR_NAV).length) {
+        $('body').children().on('mouseover', null, $.noop);
+      }
 
-      $(parent).toggleClass(ClassName.SHOW);
-      $(parent).trigger($.Event(Event.SHOWN, relatedTarget));
+      this._element.focus();
+      this._element.setAttribute('aria-expanded', true);
 
-      return false;
+      $(this._menu).toggleClass(ClassName.SHOW);
+      $(parent).toggleClass(ClassName.SHOW).trigger($.Event(Event.SHOWN, relatedTarget));
     };
 
     Dropdown.prototype.dispose = function dispose() {
       $.removeData(this._element, DATA_KEY);
       $(this._element).off(EVENT_KEY);
       this._element = null;
+      this._menu = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
+    };
+
+    Dropdown.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
     };
 
     // private
 
     Dropdown.prototype._addEventListeners = function _addEventListeners() {
-      $(this._element).on(Event.CLICK, this.toggle);
+      var _this = this;
+
+      $(this._element).on(Event.CLICK, function (event) {
+        event.preventDefault();
+        event.stopPropagation();
+        _this.toggle();
+      });
+    };
+
+    Dropdown.prototype._getConfig = function _getConfig(config) {
+      var elementData = $(this._element).data();
+      if (elementData.placement !== undefined) {
+        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()];
+      }
+
+      config = $.extend({}, this.constructor.Default, $(this._element).data(), config);
+
+      Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
+
+      return config;
+    };
+
+    Dropdown.prototype._getMenuElement = function _getMenuElement() {
+      if (!this._menu) {
+        var parent = Dropdown._getParentFromElement(this._element);
+        this._menu = $(parent).find(Selector.MENU)[0];
+      }
+      return this._menu;
+    };
+
+    Dropdown.prototype._getPlacement = function _getPlacement() {
+      var $parentDropdown = $(this._element).parent();
+      var placement = this._config.placement;
+
+      // Handle dropup
+      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+        placement = AttachmentMap.TOP;
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.TOPEND;
+        }
+      } else {
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND;
+        }
+      }
+      return placement;
     };
 
     // static
@@ -133,9 +241,10 @@ var Dropdown = function ($) {
     Dropdown._jQueryInterface = function _jQueryInterface(config) {
       return this.each(function () {
         var data = $(this).data(DATA_KEY);
+        var _config = (typeof config === 'undefined' ? 'undefined' : _typeof(config)) === 'object' ? config : null;
 
         if (!data) {
-          data = new Dropdown(this);
+          data = new Dropdown(this, _config);
           $(this).data(DATA_KEY, data);
         }
 
@@ -143,34 +252,34 @@ var Dropdown = function ($) {
           if (data[config] === undefined) {
             throw new Error('No method named "' + config + '"');
           }
-          data[config].call(this);
+          data[config]();
         }
       });
     };
 
     Dropdown._clearMenus = function _clearMenus(event) {
-      if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH || event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
         return;
       }
 
-      var backdrop = $(Selector.BACKDROP)[0];
-      if (backdrop) {
-        backdrop.parentNode.removeChild(backdrop);
-      }
-
       var toggles = $.makeArray($(Selector.DATA_TOGGLE));
-
       for (var i = 0; i < toggles.length; i++) {
         var parent = Dropdown._getParentFromElement(toggles[i]);
+        var context = $(toggles[i]).data(DATA_KEY);
         var relatedTarget = {
           relatedTarget: toggles[i]
         };
 
+        if (!context) {
+          continue;
+        }
+
+        var dropdownMenu = context._menu;
         if (!$(parent).hasClass(ClassName.SHOW)) {
           continue;
         }
 
-        if (event && event.type === 'click' && /input|textarea/i.test(event.target.tagName) && $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' && /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) && $.contains(parent, event.target)) {
           continue;
         }
 
@@ -180,8 +289,15 @@ var Dropdown = function ($) {
           continue;
         }
 
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop);
+        }
+
         toggles[i].setAttribute('aria-expanded', 'false');
 
+        $(dropdownMenu).removeClass(ClassName.SHOW);
         $(parent).removeClass(ClassName.SHOW).trigger($.Event(Event.HIDDEN, relatedTarget));
       }
     };
@@ -198,7 +314,7 @@ var Dropdown = function ($) {
     };
 
     Dropdown._dataApiKeydownHandler = function _dataApiKeydownHandler(event) {
-      if (!/(38|40|27|32)/.test(event.which) || /input|textarea/i.test(event.target.tagName)) {
+      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE || /input|textarea/i.test(event.target.tagName)) {
         return;
       }
 
@@ -212,7 +328,7 @@ var Dropdown = function ($) {
       var parent = Dropdown._getParentFromElement(this);
       var isActive = $(parent).hasClass(ClassName.SHOW);
 
-      if (!isActive && event.which !== ESCAPE_KEYCODE || isActive && event.which === ESCAPE_KEYCODE) {
+      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
 
         if (event.which === ESCAPE_KEYCODE) {
           var toggle = $(parent).find(Selector.DATA_TOGGLE)[0];
@@ -253,6 +369,16 @@ var Dropdown = function ($) {
       get: function get() {
         return VERSION;
       }
+    }, {
+      key: 'Default',
+      get: function get() {
+        return Default;
+      }
+    }, {
+      key: 'DefaultType',
+      get: function get() {
+        return DefaultType;
+      }
     }]);
 
     return Dropdown;
@@ -264,7 +390,11 @@ var Dropdown = function ($) {
    * ------------------------------------------------------------------------
    */
 
-  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
+  $(document).on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE, Dropdown._dataApiKeydownHandler).on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler).on(Event.CLICK_DATA_API + ' ' + Event.KEYUP_DATA_API, Dropdown._clearMenus).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+    event.preventDefault();
+    event.stopPropagation();
+    Dropdown._jQueryInterface.call($(this), 'toggle');
+  }).on(Event.CLICK_DATA_API, Selector.FORM_CHILD, function (e) {
     e.stopPropagation();
   });
 
@@ -282,5 +412,5 @@ var Dropdown = function ($) {
   };
 
   return Dropdown;
-}(jQuery);
-//# sourceMappingURL=dropdown.js.map
+}(jQuery); /* global Popper */
+//# sourceMappingURL=dropdown.js.map
\ No newline at end of file
diff --git a/js/dist/dropdown.js.map b/js/dist/dropdown.js.map
index 49230c83e..bce6f0161 100644
--- a/js/dist/dropdown.js.map
+++ b/js/dist/dropdown.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/dropdown.js"],"names":["Dropdown","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","ESCAPE_KEYCODE","ARROW_UP_KEYCODE","ARROW_DOWN_KEYCODE","RIGHT_MOUSE_BUTTON_WHICH","Event","HIDE","HIDDEN","SHOW","SHOWN","CLICK","CLICK_DATA_API","KEYDOWN_DATA_API","ClassName","BACKDROP","DISABLED","Selector","DATA_TOGGLE","FORM_CHILD","ROLE_MENU","ROLE_LISTBOX","NAVBAR_NAV","VISIBLE_ITEMS","element","_element","_addEventListeners","toggle","disabled","hasClass","parent","_getParentFromElement","isActive","_clearMenus","document","documentElement","closest","length","dropdown","createElement","className","insertBefore","on","relatedTarget","showEvent","trigger","isDefaultPrevented","focus","setAttribute","toggleClass","dispose","removeData","off","_jQueryInterface","config","each","data","undefined","Error","call","event","which","backdrop","parentNode","removeChild","toggles","makeArray","i","type","test","target","tagName","contains","hideEvent","removeClass","selector","Util","getSelectorFromElement","_dataApiKeydownHandler","preventDefault","stopPropagation","find","items","get","index","indexOf","prototype","e","Constructor","noConflict","jQuery"],"mappings":";;;;AAGA;;;;;;;AAOA,IAAMA,WAAY,UAACC,CAAD,EAAO;;AAGvB;;;;;;AAMA,MAAMC,OAA2B,UAAjC;AACA,MAAMC,UAA2B,eAAjC;AACA,MAAMC,WAA2B,aAAjC;AACA,MAAMC,kBAA+BD,QAArC;AACA,MAAME,eAA2B,WAAjC;AACA,MAAMC,qBAA2BN,EAAEO,EAAF,CAAKN,IAAL,CAAjC;AACA,MAAMO,iBAA2B,EAAjC,CAfuB,CAea;AACpC,MAAMC,mBAA2B,EAAjC,CAhBuB,CAgBa;AACpC,MAAMC,qBAA2B,EAAjC,CAjBuB,CAiBa;AACpC,MAAMC,2BAA2B,CAAjC,CAlBuB,CAkBY;;AAEnC,MAAMC,QAAQ;AACZC,mBAA0BT,SADd;AAEZU,uBAA4BV,SAFhB;AAGZW,mBAA0BX,SAHd;AAIZY,qBAA2BZ,SAJf;AAKZa,qBAA2Bb,SALf;AAMZc,8BAA2Bd,SAA3B,GAAuCC,YAN3B;AAOZc,kCAA6Bf,SAA7B,GAAyCC;AAP7B,GAAd;;AAUA,MAAMe,YAAY;AAChBC,cAAW,mBADK;AAEhBC,cAAW,UAFK;AAGhBP,UAAW;AAHK,GAAlB;;AAMA,MAAMQ,WAAW;AACfF,cAAgB,oBADD;AAEfG,iBAAgB,0BAFD;AAGfC,gBAAgB,gBAHD;AAIfC,eAAgB,eAJD;AAKfC,kBAAgB,kBALD;AAMfC,gBAAgB,aAND;AAOfC,mBAAgB,wCACA;AARD,GAAjB;;AAYA;;;;;;AAhDuB,MAsDjB9B,QAtDiB;AAwDrB,sBAAY+B,OAAZ,EAAqB;AAAA;;AACnB,WAAKC,QAAL,GAAgBD,OAAhB;;AAEA,WAAKE,kBAAL;AACD;;AAGD;;AAOA;;AAtEqB,uBAwErBC,MAxEqB,qBAwEZ;AACP,UAAI,KAAKC,QAAL,IAAiBlC,EAAE,IAAF,EAAQmC,QAAR,CAAiBf,UAAUE,QAA3B,CAArB,EAA2D;AACzD,eAAO,KAAP;AACD;;AAED,UAAMc,SAAWrC,SAASsC,qBAAT,CAA+B,IAA/B,CAAjB;AACA,UAAMC,WAAWtC,EAAEoC,MAAF,EAAUD,QAAV,CAAmBf,UAAUL,IAA7B,CAAjB;;AAEAhB,eAASwC,WAAT;;AAEA,UAAID,QAAJ,EAAc;AACZ,eAAO,KAAP;AACD;;AAED,UAAI,kBAAkBE,SAASC,eAA3B,IACD,CAACzC,EAAEoC,MAAF,EAAUM,OAAV,CAAkBnB,SAASK,UAA3B,EAAuCe,MAD3C,EACmD;;AAEjD;AACA,YAAMC,WAAeJ,SAASK,aAAT,CAAuB,KAAvB,CAArB;AACAD,iBAASE,SAAT,GAAqB1B,UAAUC,QAA/B;AACArB,UAAE4C,QAAF,EAAYG,YAAZ,CAAyB,IAAzB;AACA/C,UAAE4C,QAAF,EAAYI,EAAZ,CAAe,OAAf,EAAwBjD,SAASwC,WAAjC;AACD;;AAED,UAAMU,gBAAgB;AACpBA,uBAAgB;AADI,OAAtB;AAGA,UAAMC,YAAgBlD,EAAEY,KAAF,CAAQA,MAAMG,IAAd,EAAoBkC,aAApB,CAAtB;;AAEAjD,QAAEoC,MAAF,EAAUe,OAAV,CAAkBD,SAAlB;;AAEA,UAAIA,UAAUE,kBAAV,EAAJ,EAAoC;AAClC,eAAO,KAAP;AACD;;AAED,WAAKC,KAAL;AACA,WAAKC,YAAL,CAAkB,eAAlB,EAAmC,IAAnC;;AAEAtD,QAAEoC,MAAF,EAAUmB,WAAV,CAAsBnC,UAAUL,IAAhC;AACAf,QAAEoC,MAAF,EAAUe,OAAV,CAAkBnD,EAAEY,KAAF,CAAQA,MAAMI,KAAd,EAAqBiC,aAArB,CAAlB;;AAEA,aAAO,KAAP;AACD,KAlHoB;;AAAA,uBAoHrBO,OApHqB,sBAoHX;AACRxD,QAAEyD,UAAF,CAAa,KAAK1B,QAAlB,EAA4B5B,QAA5B;AACAH,QAAE,KAAK+B,QAAP,EAAiB2B,GAAjB,CAAqBtD,SAArB;AACA,WAAK2B,QAAL,GAAgB,IAAhB;AACD,KAxHoB;;AA2HrB;;AA3HqB,uBA6HrBC,kBA7HqB,iCA6HA;AACnBhC,QAAE,KAAK+B,QAAP,EAAiBiB,EAAjB,CAAoBpC,MAAMK,KAA1B,EAAiC,KAAKgB,MAAtC;AACD,KA/HoB;;AAkIrB;;AAlIqB,aAoId0B,gBApIc,6BAoIGC,MApIH,EAoIW;AAC9B,aAAO,KAAKC,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAO9D,EAAE,IAAF,EAAQ8D,IAAR,CAAa3D,QAAb,CAAX;;AAEA,YAAI,CAAC2D,IAAL,EAAW;AACTA,iBAAO,IAAI/D,QAAJ,CAAa,IAAb,CAAP;AACAC,YAAE,IAAF,EAAQ8D,IAAR,CAAa3D,QAAb,EAAuB2D,IAAvB;AACD;;AAED,YAAI,OAAOF,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,cAAIE,KAAKF,MAAL,MAAiBG,SAArB,EAAgC;AAC9B,kBAAM,IAAIC,KAAJ,uBAA8BJ,MAA9B,OAAN;AACD;AACDE,eAAKF,MAAL,EAAaK,IAAb,CAAkB,IAAlB;AACD;AACF,OAdM,CAAP;AAeD,KApJoB;;AAAA,aAsJd1B,WAtJc,wBAsJF2B,KAtJE,EAsJK;AACxB,UAAIA,SAASA,MAAMC,KAAN,KAAgBxD,wBAA7B,EAAuD;AACrD;AACD;;AAED,UAAMyD,WAAWpE,EAAEuB,SAASF,QAAX,EAAqB,CAArB,CAAjB;AACA,UAAI+C,QAAJ,EAAc;AACZA,iBAASC,UAAT,CAAoBC,WAApB,CAAgCF,QAAhC;AACD;;AAED,UAAMG,UAAUvE,EAAEwE,SAAF,CAAYxE,EAAEuB,SAASC,WAAX,CAAZ,CAAhB;;AAEA,WAAK,IAAIiD,IAAI,CAAb,EAAgBA,IAAIF,QAAQ5B,MAA5B,EAAoC8B,GAApC,EAAyC;AACvC,YAAMrC,SAAgBrC,SAASsC,qBAAT,CAA+BkC,QAAQE,CAAR,CAA/B,CAAtB;AACA,YAAMxB,gBAAgB;AACpBA,yBAAgBsB,QAAQE,CAAR;AADI,SAAtB;;AAIA,YAAI,CAACzE,EAAEoC,MAAF,EAAUD,QAAV,CAAmBf,UAAUL,IAA7B,CAAL,EAAyC;AACvC;AACD;;AAED,YAAImD,SAASA,MAAMQ,IAAN,KAAe,OAAxB,IACD,kBAAkBC,IAAlB,CAAuBT,MAAMU,MAAN,CAAaC,OAApC,CADC,IAED7E,EAAE8E,QAAF,CAAW1C,MAAX,EAAmB8B,MAAMU,MAAzB,CAFH,EAEqC;AACnC;AACD;;AAED,YAAMG,YAAY/E,EAAEY,KAAF,CAAQA,MAAMC,IAAd,EAAoBoC,aAApB,CAAlB;AACAjD,UAAEoC,MAAF,EAAUe,OAAV,CAAkB4B,SAAlB;AACA,YAAIA,UAAU3B,kBAAV,EAAJ,EAAoC;AAClC;AACD;;AAEDmB,gBAAQE,CAAR,EAAWnB,YAAX,CAAwB,eAAxB,EAAyC,OAAzC;;AAEAtD,UAAEoC,MAAF,EACG4C,WADH,CACe5D,UAAUL,IADzB,EAEGoC,OAFH,CAEWnD,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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Dropdown = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                     = 'dropdown'\n  const VERSION                  = '4.0.0-alpha.5'\n  const DATA_KEY                 = 'bs.dropdown'\n  const EVENT_KEY                = `.${DATA_KEY}`\n  const DATA_API_KEY             = '.data-api'\n  const JQUERY_NO_CONFLICT       = $.fn[NAME]\n  const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\n  const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\n  const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\n  const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\n\n  const Event = {\n    HIDE             : `hide${EVENT_KEY}`,\n    HIDDEN           : `hidden${EVENT_KEY}`,\n    SHOW             : `show${EVENT_KEY}`,\n    SHOWN            : `shown${EVENT_KEY}`,\n    CLICK            : `click${EVENT_KEY}`,\n    CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,\n    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    BACKDROP : 'dropdown-backdrop',\n    DISABLED : 'disabled',\n    SHOW     : 'show'\n  }\n\n  const Selector = {\n    BACKDROP      : '.dropdown-backdrop',\n    DATA_TOGGLE   : '[data-toggle=\"dropdown\"]',\n    FORM_CHILD    : '.dropdown form',\n    ROLE_MENU     : '[role=\"menu\"]',\n    ROLE_LISTBOX  : '[role=\"listbox\"]',\n    NAVBAR_NAV    : '.navbar-nav',\n    VISIBLE_ITEMS : '[role=\"menu\"] li:not(.disabled) a, '\n                  + '[role=\"listbox\"] li:not(.disabled) a'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Dropdown {\n\n    constructor(element) {\n      this._element = element\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    toggle() {\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return false\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      Dropdown._clearMenus()\n\n      if (isActive) {\n        return false\n      }\n\n      if ('ontouchstart' in document.documentElement &&\n         !$(parent).closest(Selector.NAVBAR_NAV).length) {\n\n        // if mobile we use a backdrop because click events don't delegate\n        const dropdown     = document.createElement('div')\n        dropdown.className = ClassName.BACKDROP\n        $(dropdown).insertBefore(this)\n        $(dropdown).on('click', Dropdown._clearMenus)\n      }\n\n      const relatedTarget = {\n        relatedTarget : this\n      }\n      const showEvent     = $.Event(Event.SHOW, relatedTarget)\n\n      $(parent).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented()) {\n        return false\n      }\n\n      this.focus()\n      this.setAttribute('aria-expanded', true)\n\n      $(parent).toggleClass(ClassName.SHOW)\n      $(parent).trigger($.Event(Event.SHOWN, relatedTarget))\n\n      return false\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._element).off(EVENT_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _addEventListeners() {\n      $(this._element).on(Event.CLICK, this.toggle)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n\n        if (!data) {\n          data = new Dropdown(this)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config].call(this)\n        }\n      })\n    }\n\n    static _clearMenus(event) {\n      if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {\n        return\n      }\n\n      const backdrop = $(Selector.BACKDROP)[0]\n      if (backdrop) {\n        backdrop.parentNode.removeChild(backdrop)\n      }\n\n      const toggles = $.makeArray($(Selector.DATA_TOGGLE))\n\n      for (let i = 0; i < toggles.length; i++) {\n        const parent        = Dropdown._getParentFromElement(toggles[i])\n        const relatedTarget = {\n          relatedTarget : toggles[i]\n        }\n\n        if (!$(parent).hasClass(ClassName.SHOW)) {\n          continue\n        }\n\n        if (event && event.type === 'click' &&\n           /input|textarea/i.test(event.target.tagName) &&\n           $.contains(parent, event.target)) {\n          continue\n        }\n\n        const hideEvent = $.Event(Event.HIDE, relatedTarget)\n        $(parent).trigger(hideEvent)\n        if (hideEvent.isDefaultPrevented()) {\n          continue\n        }\n\n        toggles[i].setAttribute('aria-expanded', 'false')\n\n        $(parent)\n          .removeClass(ClassName.SHOW)\n          .trigger($.Event(Event.HIDDEN, relatedTarget))\n      }\n    }\n\n    static _getParentFromElement(element) {\n      let parent\n      const selector = Util.getSelectorFromElement(element)\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      return parent || element.parentNode\n    }\n\n    static _dataApiKeydownHandler(event) {\n      if (!/(38|40|27|32)/.test(event.which) ||\n         /input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      event.preventDefault()\n      event.stopPropagation()\n\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      if (!isActive && event.which !== ESCAPE_KEYCODE ||\n           isActive && event.which === ESCAPE_KEYCODE) {\n\n        if (event.which === ESCAPE_KEYCODE) {\n          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]\n          $(toggle).trigger('focus')\n        }\n\n        $(this).trigger('click')\n        return\n      }\n\n      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()\n\n      if (!items.length) {\n        return\n      }\n\n      let index = items.indexOf(event.target)\n\n      if (event.which === ARROW_UP_KEYCODE && index > 0) { // up\n        index--\n      }\n\n      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // down\n        index++\n      }\n\n      if (index < 0) {\n        index = 0\n      }\n\n      items[index].focus()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE,  Dropdown._dataApiKeydownHandler)\n    .on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU,    Dropdown._dataApiKeydownHandler)\n    .on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler)\n    .on(Event.CLICK_DATA_API, Dropdown._clearMenus)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle)\n    .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {\n      e.stopPropagation()\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Dropdown._jQueryInterface\n  $.fn[NAME].Constructor = Dropdown\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Dropdown._jQueryInterface\n  }\n\n  return Dropdown\n\n})(jQuery)\n\nexport default Dropdown\n"]}
\ No newline at end of file
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global Popper */\n\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Dropdown = (($) => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)')\n  }\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                     = 'dropdown'\n  const VERSION                  = '4.0.0-alpha.6'\n  const DATA_KEY                 = 'bs.dropdown'\n  const EVENT_KEY                = `.${DATA_KEY}`\n  const DATA_API_KEY             = '.data-api'\n  const JQUERY_NO_CONFLICT       = $.fn[NAME]\n  const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\n  const SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\n  const TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\n  const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\n  const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\n  const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\n  const REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\n  const Event = {\n    HIDE             : `hide${EVENT_KEY}`,\n    HIDDEN           : `hidden${EVENT_KEY}`,\n    SHOW             : `show${EVENT_KEY}`,\n    SHOWN            : `shown${EVENT_KEY}`,\n    CLICK            : `click${EVENT_KEY}`,\n    CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,\n    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,\n    KEYUP_DATA_API   : `keyup${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DISABLED  : 'disabled',\n    SHOW      : 'show',\n    DROPUP    : 'dropup',\n    MENURIGHT : 'dropdown-menu-right',\n    MENULEFT  : 'dropdown-menu-left'\n  }\n\n  const Selector = {\n    DATA_TOGGLE   : '[data-toggle=\"dropdown\"]',\n    FORM_CHILD    : '.dropdown form',\n    MENU          : '.dropdown-menu',\n    NAVBAR_NAV    : '.navbar-nav',\n    VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'\n  }\n\n  const AttachmentMap = {\n    TOP       : 'top-start',\n    TOPEND    : 'top-end',\n    BOTTOM    : 'bottom-start',\n    BOTTOMEND : 'bottom-end'\n  }\n\n  const Default = {\n    placement   : AttachmentMap.BOTTOM,\n    offset      : 0,\n    flip        : true\n  }\n\n  const DefaultType = {\n    placement   : 'string',\n    offset      : '(number|string)',\n    flip        : 'boolean'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Dropdown {\n\n    constructor(element, config) {\n      this._element = element\n      this._popper  = null\n      this._config = this._getConfig(config)\n      this._menu = this._getMenuElement()\n\n      this._addEventListeners()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n    // public\n\n    toggle() {\n      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this._element)\n      const isActive = $(this._menu).hasClass(ClassName.SHOW)\n\n      Dropdown._clearMenus()\n\n      if (isActive) {\n        return\n      }\n\n      const relatedTarget = {\n        relatedTarget : this._element\n      }\n      const showEvent = $.Event(Event.SHOW, relatedTarget)\n\n      $(parent).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      let element = this._element\n      // for dropup with alignment we use the parent as popper container\n      if ($(parent).hasClass(ClassName.DROPUP)) {\n        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {\n          element = parent\n        }\n      }\n      this._popper = new Popper(element, this._menu, {\n        placement : this._getPlacement(),\n        modifiers : {\n          offset : {\n            offset : this._config.offset\n          },\n          flip : {\n            enabled : this._config.flip\n          }\n        }\n      })\n\n      // if this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement &&\n         !$(parent).closest(Selector.NAVBAR_NAV).length) {\n        $('body').children().on('mouseover', null, $.noop)\n      }\n\n      this._element.focus()\n      this._element.setAttribute('aria-expanded', true)\n\n      $(this._menu).toggleClass(ClassName.SHOW)\n      $(parent)\n        .toggleClass(ClassName.SHOW)\n        .trigger($.Event(Event.SHOWN, relatedTarget))\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._element).off(EVENT_KEY)\n      this._element = null\n      this._menu = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n      this._popper = null\n    }\n\n    update() {\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // private\n\n    _addEventListeners() {\n      $(this._element).on(Event.CLICK, (event) => {\n        event.preventDefault()\n        event.stopPropagation()\n        this.toggle()\n      })\n    }\n\n    _getConfig(config) {\n      const elementData = $(this._element).data()\n      if (elementData.placement !== undefined) {\n        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()]\n      }\n\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this._element).data(),\n        config\n      )\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getMenuElement() {\n      if (!this._menu) {\n        const parent = Dropdown._getParentFromElement(this._element)\n        this._menu = $(parent).find(Selector.MENU)[0]\n      }\n      return this._menu\n    }\n\n    _getPlacement() {\n      const $parentDropdown = $(this._element).parent()\n      let placement = this._config.placement\n\n      // Handle dropup\n      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {\n        placement = AttachmentMap.TOP\n        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n          placement = AttachmentMap.TOPEND\n        }\n      }\n      else {\n        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {\n          placement = AttachmentMap.BOTTOMEND\n        }\n      }\n      return placement\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data) {\n          data = new Dropdown(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n    static _clearMenus(event) {\n      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n        event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n        return\n      }\n\n      const toggles = $.makeArray($(Selector.DATA_TOGGLE))\n      for (let i = 0; i < toggles.length; i++) {\n        const parent        = Dropdown._getParentFromElement(toggles[i])\n        const context       = $(toggles[i]).data(DATA_KEY)\n        const relatedTarget = {\n          relatedTarget : toggles[i]\n        }\n\n        if (!context) {\n          continue\n        }\n\n        const dropdownMenu = context._menu\n        if (!$(parent).hasClass(ClassName.SHOW)) {\n          continue\n        }\n\n        if (event && (event.type === 'click' &&\n            /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE)\n            && $.contains(parent, event.target)) {\n          continue\n        }\n\n        const hideEvent = $.Event(Event.HIDE, relatedTarget)\n        $(parent).trigger(hideEvent)\n        if (hideEvent.isDefaultPrevented()) {\n          continue\n        }\n\n        // if this is a touch-enabled device we remove the extra\n        // empty mouseover listeners we added for iOS support\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().off('mouseover', null, $.noop)\n        }\n\n        toggles[i].setAttribute('aria-expanded', 'false')\n\n        $(dropdownMenu).removeClass(ClassName.SHOW)\n        $(parent)\n          .removeClass(ClassName.SHOW)\n          .trigger($.Event(Event.HIDDEN, relatedTarget))\n      }\n    }\n\n    static _getParentFromElement(element) {\n      let parent\n      const selector = Util.getSelectorFromElement(element)\n\n      if (selector) {\n        parent = $(selector)[0]\n      }\n\n      return parent || element.parentNode\n    }\n\n    static _dataApiKeydownHandler(event) {\n      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||\n         /input|textarea/i.test(event.target.tagName)) {\n        return\n      }\n\n      event.preventDefault()\n      event.stopPropagation()\n\n      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      const parent   = Dropdown._getParentFromElement(this)\n      const isActive = $(parent).hasClass(ClassName.SHOW)\n\n      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||\n           isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n\n        if (event.which === ESCAPE_KEYCODE) {\n          const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]\n          $(toggle).trigger('focus')\n        }\n\n        $(this).trigger('click')\n        return\n      }\n\n      const items = $(parent).find(Selector.VISIBLE_ITEMS).get()\n\n      if (!items.length) {\n        return\n      }\n\n      let index = items.indexOf(event.target)\n\n      if (event.which === ARROW_UP_KEYCODE && index > 0) { // up\n        index--\n      }\n\n      if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // down\n        index++\n      }\n\n      if (index < 0) {\n        index = 0\n      }\n\n      items[index].focus()\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE,  Dropdown._dataApiKeydownHandler)\n    .on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)\n    .on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      event.stopPropagation()\n      Dropdown._jQueryInterface.call($(this), 'toggle')\n    })\n    .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {\n      e.stopPropagation()\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Dropdown._jQueryInterface\n  $.fn[NAME].Constructor = Dropdown\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Dropdown._jQueryInterface\n  }\n\n  return Dropdown\n\n})(jQuery)\n\nexport default Dropdown\n"]}
\ No newline at end of file
diff --git a/js/dist/modal.js b/js/dist/modal.js
index 8a778c48b..563d8f573 100644
--- a/js/dist/modal.js
+++ b/js/dist/modal.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var Modal = function ($) {
    */
 
   var NAME = 'modal';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.modal';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -69,7 +69,8 @@ var Modal = function ($) {
     DIALOG: '.modal-dialog',
     DATA_TOGGLE: '[data-toggle="modal"]',
     DATA_DISMISS: '[data-dismiss="modal"]',
-    FIXED_CONTENT: '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT: '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+    NAVBAR_TOGGLER: '.navbar-toggler'
   };
 
   /**
@@ -89,7 +90,6 @@ var Modal = function ($) {
       this._isShown = false;
       this._isBodyOverflowing = false;
       this._ignoreBackdropClick = false;
-      this._isTransitioning = false;
       this._originalBodyPadding = 0;
       this._scrollbarWidth = 0;
     }
@@ -106,12 +106,13 @@ var Modal = function ($) {
       var _this = this;
 
       if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+        return;
       }
 
       if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
         this._isTransitioning = true;
       }
+
       var showEvent = $.Event(Event.SHOW, {
         relatedTarget: relatedTarget
       });
@@ -156,16 +157,18 @@ var Modal = function ($) {
         event.preventDefault();
       }
 
-      if (this._isTransitioning) {
-        throw new Error('Modal is transitioning');
+      if (this._isTransitioning || !this._isShown) {
+        return;
       }
 
       var transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE);
+
       if (transition) {
         this._isTransitioning = true;
       }
 
       var hideEvent = $.Event(Event.HIDE);
+
       $(this._element).trigger(hideEvent);
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -185,6 +188,7 @@ var Modal = function ($) {
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS);
 
       if (transition) {
+
         $(this._element).one(Util.TRANSITION_END, function (event) {
           return _this2._hideModal(event);
         }).emulateTransitionEnd(TRANSITION_DURATION);
@@ -205,10 +209,13 @@ var Modal = function ($) {
       this._isShown = null;
       this._isBodyOverflowing = null;
       this._ignoreBackdropClick = null;
-      this._originalBodyPadding = null;
       this._scrollbarWidth = null;
     };
 
+    Modal.prototype.handleUpdate = function handleUpdate() {
+      this._adjustDialog();
+    };
+
     // private
 
     Modal.prototype._getConfig = function _getConfig(config) {
@@ -277,6 +284,7 @@ var Modal = function ($) {
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, function (event) {
           if (event.which === ESCAPE_KEYCODE) {
+            event.preventDefault();
             _this5.hide();
           }
         });
@@ -290,7 +298,7 @@ var Modal = function ($) {
 
       if (this._isShown) {
         $(window).on(Event.RESIZE, function (event) {
-          return _this6._handleUpdate(event);
+          return _this6.handleUpdate(event);
         });
       } else {
         $(window).off(Event.RESIZE);
@@ -301,7 +309,7 @@ var Modal = function ($) {
       var _this7 = this;
 
       this._element.style.display = 'none';
-      this._element.setAttribute('aria-hidden', 'true');
+      this._element.setAttribute('aria-hidden', true);
       this._isTransitioning = false;
       this._showBackdrop(function () {
         $(document.body).removeClass(ClassName.OPEN);
@@ -391,10 +399,6 @@ var Modal = function ($) {
     // todo (fat): these should probably be refactored out of modal.js
     // ----------------------------------------------------------------------
 
-    Modal.prototype._handleUpdate = function _handleUpdate() {
-      this._adjustDialog();
-    };
-
     Modal.prototype._adjustDialog = function _adjustDialog() {
       var isModalOverflowing = this._element.scrollHeight > document.documentElement.clientHeight;
 
@@ -418,17 +422,55 @@ var Modal = function ($) {
     };
 
     Modal.prototype._setScrollbar = function _setScrollbar() {
-      var bodyPadding = parseInt($(Selector.FIXED_CONTENT).css('padding-right') || 0, 10);
-
-      this._originalBodyPadding = document.body.style.paddingRight || '';
+      var _this9 = this;
 
       if (this._isBodyOverflowing) {
-        document.body.style.paddingRight = bodyPadding + this._scrollbarWidth + 'px';
+        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+
+        // Adjust fixed content padding
+        $(Selector.FIXED_CONTENT).each(function (index, element) {
+          var actualPadding = $(element)[0].style.paddingRight;
+          var calculatedPadding = $(element).css('padding-right');
+          $(element).data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + _this9._scrollbarWidth + 'px');
+        });
+
+        // Adjust navbar-toggler margin
+        $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+          var actualMargin = $(element)[0].style.marginRight;
+          var calculatedMargin = $(element).css('margin-right');
+          $(element).data('margin-right', actualMargin).css('margin-right', parseFloat(calculatedMargin) + _this9._scrollbarWidth + 'px');
+        });
+
+        // Adjust body padding
+        var actualPadding = document.body.style.paddingRight;
+        var calculatedPadding = $('body').css('padding-right');
+        $('body').data('padding-right', actualPadding).css('padding-right', parseFloat(calculatedPadding) + this._scrollbarWidth + 'px');
       }
     };
 
     Modal.prototype._resetScrollbar = function _resetScrollbar() {
-      document.body.style.paddingRight = this._originalBodyPadding;
+      // Restore fixed content padding
+      $(Selector.FIXED_CONTENT).each(function (index, element) {
+        var padding = $(element).data('padding-right');
+        if (typeof padding !== 'undefined') {
+          $(element).css('padding-right', padding).removeData('padding-right');
+        }
+      });
+
+      // Restore navbar-toggler margin
+      $(Selector.NAVBAR_TOGGLER).each(function (index, element) {
+        var margin = $(element).data('margin-right');
+        if (typeof margin !== 'undefined') {
+          $(element).css('margin-right', margin).removeData('margin-right');
+        }
+      });
+
+      // Restore body padding
+      var padding = $('body').data('padding-right');
+      if (typeof padding !== 'undefined') {
+        $('body').css('padding-right', padding).removeData('padding-right');
+      }
     };
 
     Modal.prototype._getScrollbarWidth = function _getScrollbarWidth() {
@@ -436,7 +478,7 @@ var Modal = function ($) {
       var scrollDiv = document.createElement('div');
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER;
       document.body.appendChild(scrollDiv);
-      var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth;
+      var scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth;
       document.body.removeChild(scrollDiv);
       return scrollbarWidth;
     };
@@ -486,7 +528,7 @@ var Modal = function ($) {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    var _this9 = this;
+    var _this10 = this;
 
     var target = void 0;
     var selector = Util.getSelectorFromElement(this);
@@ -508,8 +550,8 @@ var Modal = function ($) {
       }
 
       $target.one(Event.HIDDEN, function () {
-        if ($(_this9).is(':visible')) {
-          _this9.focus();
+        if ($(_this10).is(':visible')) {
+          _this10.focus();
         }
       });
     });
@@ -532,4 +574,4 @@ var Modal = function ($) {
 
   return Modal;
 }(jQuery);
-//# sourceMappingURL=modal.js.map
+//# sourceMappingURL=modal.js.map
\ No newline at end of file
diff --git a/js/dist/modal.js.map b/js/dist/modal.js.map
index d70a866c1..2261a4542 100644
--- a/js/dist/modal.js.map
+++ b/js/dist/modal.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Modal = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                         = 'modal'\n  const VERSION                      = '4.0.0-alpha.5'\n  const DATA_KEY                     = 'bs.modal'\n  const EVENT_KEY                    = `.${DATA_KEY}`\n  const DATA_API_KEY                 = '.data-api'\n  const JQUERY_NO_CONFLICT           = $.fn[NAME]\n  const TRANSITION_DURATION          = 300\n  const BACKDROP_TRANSITION_DURATION = 150\n  const ESCAPE_KEYCODE               = 27 // KeyboardEvent.which value for Escape (Esc) key\n\n  const Default = {\n    backdrop : true,\n    keyboard : true,\n    focus    : true,\n    show     : true\n  }\n\n  const DefaultType = {\n    backdrop : '(boolean|string)',\n    keyboard : 'boolean',\n    focus    : 'boolean',\n    show     : 'boolean'\n  }\n\n  const Event = {\n    HIDE              : `hide${EVENT_KEY}`,\n    HIDDEN            : `hidden${EVENT_KEY}`,\n    SHOW              : `show${EVENT_KEY}`,\n    SHOWN             : `shown${EVENT_KEY}`,\n    FOCUSIN           : `focusin${EVENT_KEY}`,\n    RESIZE            : `resize${EVENT_KEY}`,\n    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,\n    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,\n    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,\n    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,\n    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SCROLLBAR_MEASURER : 'modal-scrollbar-measure',\n    BACKDROP           : 'modal-backdrop',\n    OPEN               : 'modal-open',\n    FADE               : 'fade',\n    SHOW               : 'show'\n  }\n\n  const Selector = {\n    DIALOG             : '.modal-dialog',\n    DATA_TOGGLE        : '[data-toggle=\"modal\"]',\n    DATA_DISMISS       : '[data-dismiss=\"modal\"]',\n    FIXED_CONTENT      : '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Modal {\n\n    constructor(element, config) {\n      this._config              = this._getConfig(config)\n      this._element             = element\n      this._dialog              = $(element).find(Selector.DIALOG)[0]\n      this._backdrop            = null\n      this._isShown             = false\n      this._isBodyOverflowing   = false\n      this._ignoreBackdropClick = false\n      this._isTransitioning     = false\n      this._originalBodyPadding = 0\n      this._scrollbarWidth      = 0\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle(relatedTarget) {\n      return this._isShown ? this.hide() : this.show(relatedTarget)\n    }\n\n    show(relatedTarget) {\n      if (this._isTransitioning) {\n        throw new Error('Modal is transitioning')\n      }\n\n      if (Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n      }\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget\n      })\n\n      $(this._element).trigger(showEvent)\n\n      if (this._isShown || showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = true\n\n      this._checkScrollbar()\n      this._setScrollbar()\n\n      $(document.body).addClass(ClassName.OPEN)\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(this._element).on(\n        Event.CLICK_DISMISS,\n        Selector.DATA_DISMISS,\n        (event) => this.hide(event)\n      )\n\n      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {\n        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {\n          if ($(event.target).is(this._element)) {\n            this._ignoreBackdropClick = true\n          }\n        })\n      })\n\n      this._showBackdrop(() => this._showElement(relatedTarget))\n    }\n\n    hide(event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      if (this._isTransitioning) {\n        throw new Error('Modal is transitioning')\n      }\n\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n      if (transition) {\n        this._isTransitioning = true\n      }\n\n      const hideEvent = $.Event(Event.HIDE)\n      $(this._element).trigger(hideEvent)\n\n      if (!this._isShown || hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = false\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(document).off(Event.FOCUSIN)\n\n      $(this._element).removeClass(ClassName.SHOW)\n\n      $(this._element).off(Event.CLICK_DISMISS)\n      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)\n\n      if (transition) {\n        $(this._element)\n          .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        this._hideModal()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      $(window, document, this._element, this._backdrop).off(EVENT_KEY)\n\n      this._config              = null\n      this._element             = null\n      this._dialog              = null\n      this._backdrop            = null\n      this._isShown             = null\n      this._isBodyOverflowing   = null\n      this._ignoreBackdropClick = null\n      this._originalBodyPadding = null\n      this._scrollbarWidth      = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _showElement(relatedTarget) {\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n\n      if (!this._element.parentNode ||\n         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n        // don't move modals dom position\n        document.body.appendChild(this._element)\n      }\n\n      this._element.style.display = 'block'\n      this._element.removeAttribute('aria-hidden')\n      this._element.scrollTop = 0\n\n      if (transition) {\n        Util.reflow(this._element)\n      }\n\n      $(this._element).addClass(ClassName.SHOW)\n\n      if (this._config.focus) {\n        this._enforceFocus()\n      }\n\n      const shownEvent = $.Event(Event.SHOWN, {\n        relatedTarget\n      })\n\n      const transitionComplete = () => {\n        if (this._config.focus) {\n          this._element.focus()\n        }\n        this._isTransitioning = false\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (transition) {\n        $(this._dialog)\n          .one(Util.TRANSITION_END, transitionComplete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        transitionComplete()\n      }\n    }\n\n    _enforceFocus() {\n      $(document)\n        .off(Event.FOCUSIN) // guard against infinite focus loop\n        .on(Event.FOCUSIN, (event) => {\n          if (document !== event.target &&\n              this._element !== event.target &&\n              !$(this._element).has(event.target).length) {\n            this._element.focus()\n          }\n        })\n    }\n\n    _setEscapeEvent() {\n      if (this._isShown && this._config.keyboard) {\n        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {\n          if (event.which === ESCAPE_KEYCODE) {\n            this.hide()\n          }\n        })\n\n      } else if (!this._isShown) {\n        $(this._element).off(Event.KEYDOWN_DISMISS)\n      }\n    }\n\n    _setResizeEvent() {\n      if (this._isShown) {\n        $(window).on(Event.RESIZE, (event) => this._handleUpdate(event))\n      } else {\n        $(window).off(Event.RESIZE)\n      }\n    }\n\n    _hideModal() {\n      this._element.style.display = 'none'\n      this._element.setAttribute('aria-hidden', 'true')\n      this._isTransitioning = false\n      this._showBackdrop(() => {\n        $(document.body).removeClass(ClassName.OPEN)\n        this._resetAdjustments()\n        this._resetScrollbar()\n        $(this._element).trigger(Event.HIDDEN)\n      })\n    }\n\n    _removeBackdrop() {\n      if (this._backdrop) {\n        $(this._backdrop).remove()\n        this._backdrop = null\n      }\n    }\n\n    _showBackdrop(callback) {\n      const animate = $(this._element).hasClass(ClassName.FADE) ?\n        ClassName.FADE : ''\n\n      if (this._isShown && this._config.backdrop) {\n        const doAnimate = Util.supportsTransitionEnd() && animate\n\n        this._backdrop = document.createElement('div')\n        this._backdrop.className = ClassName.BACKDROP\n\n        if (animate) {\n          $(this._backdrop).addClass(animate)\n        }\n\n        $(this._backdrop).appendTo(document.body)\n\n        $(this._element).on(Event.CLICK_DISMISS, (event) => {\n          if (this._ignoreBackdropClick) {\n            this._ignoreBackdropClick = false\n            return\n          }\n          if (event.target !== event.currentTarget) {\n            return\n          }\n          if (this._config.backdrop === 'static') {\n            this._element.focus()\n          } else {\n            this.hide()\n          }\n        })\n\n        if (doAnimate) {\n          Util.reflow(this._backdrop)\n        }\n\n        $(this._backdrop).addClass(ClassName.SHOW)\n\n        if (!callback) {\n          return\n        }\n\n        if (!doAnimate) {\n          callback()\n          return\n        }\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callback)\n          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n\n      } else if (!this._isShown && this._backdrop) {\n        $(this._backdrop).removeClass(ClassName.SHOW)\n\n        const callbackRemove = () => {\n          this._removeBackdrop()\n          if (callback) {\n            callback()\n          }\n        }\n\n        if (Util.supportsTransitionEnd() &&\n           $(this._element).hasClass(ClassName.FADE)) {\n          $(this._backdrop)\n            .one(Util.TRANSITION_END, callbackRemove)\n            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n        } else {\n          callbackRemove()\n        }\n\n      } else if (callback) {\n        callback()\n      }\n    }\n\n\n    // ----------------------------------------------------------------------\n    // the following methods are used to handle overflowing modals\n    // todo (fat): these should probably be refactored out of modal.js\n    // ----------------------------------------------------------------------\n\n    _handleUpdate() {\n      this._adjustDialog()\n    }\n\n    _adjustDialog() {\n      const isModalOverflowing =\n        this._element.scrollHeight > document.documentElement.clientHeight\n\n      if (!this._isBodyOverflowing && isModalOverflowing) {\n        this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n      }\n\n      if (this._isBodyOverflowing && !isModalOverflowing) {\n        this._element.style.paddingRight = `${this._scrollbarWidth}px`\n      }\n    }\n\n    _resetAdjustments() {\n      this._element.style.paddingLeft = ''\n      this._element.style.paddingRight = ''\n    }\n\n    _checkScrollbar() {\n      this._isBodyOverflowing = document.body.clientWidth < window.innerWidth\n      this._scrollbarWidth = this._getScrollbarWidth()\n    }\n\n    _setScrollbar() {\n      const bodyPadding = parseInt(\n        $(Selector.FIXED_CONTENT).css('padding-right') || 0,\n        10\n      )\n\n      this._originalBodyPadding = document.body.style.paddingRight || ''\n\n      if (this._isBodyOverflowing) {\n        document.body.style.paddingRight =\n          `${bodyPadding + this._scrollbarWidth}px`\n      }\n    }\n\n    _resetScrollbar() {\n      document.body.style.paddingRight = this._originalBodyPadding\n    }\n\n    _getScrollbarWidth() { // thx d.walsh\n      const scrollDiv = document.createElement('div')\n      scrollDiv.className = ClassName.SCROLLBAR_MEASURER\n      document.body.appendChild(scrollDiv)\n      const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth\n      document.body.removeChild(scrollDiv)\n      return scrollbarWidth\n    }\n\n\n    // static\n\n    static _jQueryInterface(config, relatedTarget) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Modal.Default,\n          $(this).data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data) {\n          data = new Modal(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config](relatedTarget)\n        } else if (_config.show) {\n          data.show(relatedTarget)\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    let target\n    const selector = Util.getSelectorFromElement(this)\n\n    if (selector) {\n      target = $(selector)[0]\n    }\n\n    const config = $(target).data(DATA_KEY) ?\n      'toggle' : $.extend({}, $(target).data(), $(this).data())\n\n    if (this.tagName === 'A' || this.tagName === 'AREA') {\n      event.preventDefault()\n    }\n\n    const $target = $(target).one(Event.SHOW, (showEvent) => {\n      if (showEvent.isDefaultPrevented()) {\n        // only register focus restorer if modal will actually get shown\n        return\n      }\n\n      $target.one(Event.HIDDEN, () => {\n        if ($(this).is(':visible')) {\n          this.focus()\n        }\n      })\n    })\n\n    Modal._jQueryInterface.call($(target), config, this)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Modal._jQueryInterface\n  $.fn[NAME].Constructor = Modal\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Modal._jQueryInterface\n  }\n\n  return Modal\n\n})(jQuery)\n\nexport default Modal\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Modal = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                         = 'modal'\n  const VERSION                      = '4.0.0-alpha.6'\n  const DATA_KEY                     = 'bs.modal'\n  const EVENT_KEY                    = `.${DATA_KEY}`\n  const DATA_API_KEY                 = '.data-api'\n  const JQUERY_NO_CONFLICT           = $.fn[NAME]\n  const TRANSITION_DURATION          = 300\n  const BACKDROP_TRANSITION_DURATION = 150\n  const ESCAPE_KEYCODE               = 27 // KeyboardEvent.which value for Escape (Esc) key\n\n  const Default = {\n    backdrop : true,\n    keyboard : true,\n    focus    : true,\n    show     : true\n  }\n\n  const DefaultType = {\n    backdrop : '(boolean|string)',\n    keyboard : 'boolean',\n    focus    : 'boolean',\n    show     : 'boolean'\n  }\n\n  const Event = {\n    HIDE              : `hide${EVENT_KEY}`,\n    HIDDEN            : `hidden${EVENT_KEY}`,\n    SHOW              : `show${EVENT_KEY}`,\n    SHOWN             : `shown${EVENT_KEY}`,\n    FOCUSIN           : `focusin${EVENT_KEY}`,\n    RESIZE            : `resize${EVENT_KEY}`,\n    CLICK_DISMISS     : `click.dismiss${EVENT_KEY}`,\n    KEYDOWN_DISMISS   : `keydown.dismiss${EVENT_KEY}`,\n    MOUSEUP_DISMISS   : `mouseup.dismiss${EVENT_KEY}`,\n    MOUSEDOWN_DISMISS : `mousedown.dismiss${EVENT_KEY}`,\n    CLICK_DATA_API    : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    SCROLLBAR_MEASURER : 'modal-scrollbar-measure',\n    BACKDROP           : 'modal-backdrop',\n    OPEN               : 'modal-open',\n    FADE               : 'fade',\n    SHOW               : 'show'\n  }\n\n  const Selector = {\n    DIALOG             : '.modal-dialog',\n    DATA_TOGGLE        : '[data-toggle=\"modal\"]',\n    DATA_DISMISS       : '[data-dismiss=\"modal\"]',\n    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',\n    NAVBAR_TOGGLER     : '.navbar-toggler'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Modal {\n\n    constructor(element, config) {\n      this._config              = this._getConfig(config)\n      this._element             = element\n      this._dialog              = $(element).find(Selector.DIALOG)[0]\n      this._backdrop            = null\n      this._isShown             = false\n      this._isBodyOverflowing   = false\n      this._ignoreBackdropClick = false\n      this._originalBodyPadding = 0\n      this._scrollbarWidth      = 0\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    toggle(relatedTarget) {\n      return this._isShown ? this.hide() : this.show(relatedTarget)\n    }\n\n    show(relatedTarget) {\n      if (this._isTransitioning) {\n        return\n      }\n\n      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n      }\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget\n      })\n\n      $(this._element).trigger(showEvent)\n\n      if (this._isShown || showEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = true\n\n      this._checkScrollbar()\n      this._setScrollbar()\n\n      $(document.body).addClass(ClassName.OPEN)\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(this._element).on(\n        Event.CLICK_DISMISS,\n        Selector.DATA_DISMISS,\n        (event) => this.hide(event)\n      )\n\n      $(this._dialog).on(Event.MOUSEDOWN_DISMISS, () => {\n        $(this._element).one(Event.MOUSEUP_DISMISS, (event) => {\n          if ($(event.target).is(this._element)) {\n            this._ignoreBackdropClick = true\n          }\n        })\n      })\n\n      this._showBackdrop(() => this._showElement(relatedTarget))\n    }\n\n    hide(event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      if (this._isTransitioning || !this._isShown) {\n        return\n      }\n\n      const transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)\n\n      if (transition) {\n        this._isTransitioning = true\n      }\n\n      const hideEvent = $.Event(Event.HIDE)\n\n      $(this._element).trigger(hideEvent)\n\n      if (!this._isShown || hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      this._isShown = false\n\n      this._setEscapeEvent()\n      this._setResizeEvent()\n\n      $(document).off(Event.FOCUSIN)\n\n      $(this._element).removeClass(ClassName.SHOW)\n\n      $(this._element).off(Event.CLICK_DISMISS)\n      $(this._dialog).off(Event.MOUSEDOWN_DISMISS)\n\n      if (transition) {\n\n        $(this._element)\n          .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        this._hideModal()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n\n      $(window, document, this._element, this._backdrop).off(EVENT_KEY)\n\n      this._config              = null\n      this._element             = null\n      this._dialog              = null\n      this._backdrop            = null\n      this._isShown             = null\n      this._isBodyOverflowing   = null\n      this._ignoreBackdropClick = null\n      this._scrollbarWidth      = null\n    }\n\n    handleUpdate() {\n      this._adjustDialog()\n    }\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n      Util.typeCheckConfig(NAME, config, DefaultType)\n      return config\n    }\n\n    _showElement(relatedTarget) {\n      const transition = Util.supportsTransitionEnd() &&\n        $(this._element).hasClass(ClassName.FADE)\n\n      if (!this._element.parentNode ||\n         this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n        // don't move modals dom position\n        document.body.appendChild(this._element)\n      }\n\n      this._element.style.display = 'block'\n      this._element.removeAttribute('aria-hidden')\n      this._element.scrollTop = 0\n\n      if (transition) {\n        Util.reflow(this._element)\n      }\n\n      $(this._element).addClass(ClassName.SHOW)\n\n      if (this._config.focus) {\n        this._enforceFocus()\n      }\n\n      const shownEvent = $.Event(Event.SHOWN, {\n        relatedTarget\n      })\n\n      const transitionComplete = () => {\n        if (this._config.focus) {\n          this._element.focus()\n        }\n        this._isTransitioning = false\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (transition) {\n        $(this._dialog)\n          .one(Util.TRANSITION_END, transitionComplete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n      } else {\n        transitionComplete()\n      }\n    }\n\n    _enforceFocus() {\n      $(document)\n        .off(Event.FOCUSIN) // guard against infinite focus loop\n        .on(Event.FOCUSIN, (event) => {\n          if (document !== event.target &&\n              this._element !== event.target &&\n              !$(this._element).has(event.target).length) {\n            this._element.focus()\n          }\n        })\n    }\n\n    _setEscapeEvent() {\n      if (this._isShown && this._config.keyboard) {\n        $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {\n          if (event.which === ESCAPE_KEYCODE) {\n            event.preventDefault()\n            this.hide()\n          }\n        })\n\n      } else if (!this._isShown) {\n        $(this._element).off(Event.KEYDOWN_DISMISS)\n      }\n    }\n\n    _setResizeEvent() {\n      if (this._isShown) {\n        $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))\n      } else {\n        $(window).off(Event.RESIZE)\n      }\n    }\n\n    _hideModal() {\n      this._element.style.display = 'none'\n      this._element.setAttribute('aria-hidden', true)\n      this._isTransitioning = false\n      this._showBackdrop(() => {\n        $(document.body).removeClass(ClassName.OPEN)\n        this._resetAdjustments()\n        this._resetScrollbar()\n        $(this._element).trigger(Event.HIDDEN)\n      })\n    }\n\n    _removeBackdrop() {\n      if (this._backdrop) {\n        $(this._backdrop).remove()\n        this._backdrop = null\n      }\n    }\n\n    _showBackdrop(callback) {\n      const animate = $(this._element).hasClass(ClassName.FADE) ?\n        ClassName.FADE : ''\n\n      if (this._isShown && this._config.backdrop) {\n        const doAnimate = Util.supportsTransitionEnd() && animate\n\n        this._backdrop = document.createElement('div')\n        this._backdrop.className = ClassName.BACKDROP\n\n        if (animate) {\n          $(this._backdrop).addClass(animate)\n        }\n\n        $(this._backdrop).appendTo(document.body)\n\n        $(this._element).on(Event.CLICK_DISMISS, (event) => {\n          if (this._ignoreBackdropClick) {\n            this._ignoreBackdropClick = false\n            return\n          }\n          if (event.target !== event.currentTarget) {\n            return\n          }\n          if (this._config.backdrop === 'static') {\n            this._element.focus()\n          } else {\n            this.hide()\n          }\n        })\n\n        if (doAnimate) {\n          Util.reflow(this._backdrop)\n        }\n\n        $(this._backdrop).addClass(ClassName.SHOW)\n\n        if (!callback) {\n          return\n        }\n\n        if (!doAnimate) {\n          callback()\n          return\n        }\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callback)\n          .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n\n      } else if (!this._isShown && this._backdrop) {\n        $(this._backdrop).removeClass(ClassName.SHOW)\n\n        const callbackRemove = () => {\n          this._removeBackdrop()\n          if (callback) {\n            callback()\n          }\n        }\n\n        if (Util.supportsTransitionEnd() &&\n           $(this._element).hasClass(ClassName.FADE)) {\n          $(this._backdrop)\n            .one(Util.TRANSITION_END, callbackRemove)\n            .emulateTransitionEnd(BACKDROP_TRANSITION_DURATION)\n        } else {\n          callbackRemove()\n        }\n\n      } else if (callback) {\n        callback()\n      }\n    }\n\n\n    // ----------------------------------------------------------------------\n    // the following methods are used to handle overflowing modals\n    // todo (fat): these should probably be refactored out of modal.js\n    // ----------------------------------------------------------------------\n\n    _adjustDialog() {\n      const isModalOverflowing =\n        this._element.scrollHeight > document.documentElement.clientHeight\n\n      if (!this._isBodyOverflowing && isModalOverflowing) {\n        this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n      }\n\n      if (this._isBodyOverflowing && !isModalOverflowing) {\n        this._element.style.paddingRight = `${this._scrollbarWidth}px`\n      }\n    }\n\n    _resetAdjustments() {\n      this._element.style.paddingLeft = ''\n      this._element.style.paddingRight = ''\n    }\n\n    _checkScrollbar() {\n      this._isBodyOverflowing = document.body.clientWidth < window.innerWidth\n      this._scrollbarWidth = this._getScrollbarWidth()\n    }\n\n    _setScrollbar() {\n      if (this._isBodyOverflowing) {\n        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n\n        // Adjust fixed content padding\n        $(Selector.FIXED_CONTENT).each((index, element) => {\n          const actualPadding = $(element)[0].style.paddingRight\n          const calculatedPadding = $(element).css('padding-right')\n          $(element).data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust navbar-toggler margin\n        $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n          const actualMargin = $(element)[0].style.marginRight\n          const calculatedMargin = $(element).css('margin-right')\n          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) + this._scrollbarWidth}px`)\n        })\n\n        // Adjust body padding\n        const actualPadding = document.body.style.paddingRight\n        const calculatedPadding = $('body').css('padding-right')\n        $('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      }\n    }\n\n    _resetScrollbar() {\n      // Restore fixed content padding\n      $(Selector.FIXED_CONTENT).each((index, element) => {\n        const padding = $(element).data('padding-right')\n        if (typeof padding !== 'undefined') {\n          $(element).css('padding-right', padding).removeData('padding-right')\n        }\n      })\n\n      // Restore navbar-toggler margin\n      $(Selector.NAVBAR_TOGGLER).each((index, element) => {\n        const margin = $(element).data('margin-right')\n        if (typeof margin !== 'undefined') {\n          $(element).css('margin-right', margin).removeData('margin-right')\n        }\n      })\n\n      // Restore body padding\n      const padding = $('body').data('padding-right')\n      if (typeof padding !== 'undefined') {\n        $('body').css('padding-right', padding).removeData('padding-right')\n      }\n    }\n\n    _getScrollbarWidth() { // thx d.walsh\n      const scrollDiv = document.createElement('div')\n      scrollDiv.className = ClassName.SCROLLBAR_MEASURER\n      document.body.appendChild(scrollDiv)\n      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n      document.body.removeChild(scrollDiv)\n      return scrollbarWidth\n    }\n\n\n    // static\n\n    static _jQueryInterface(config, relatedTarget) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = $.extend(\n          {},\n          Modal.Default,\n          $(this).data(),\n          typeof config === 'object' && config\n        )\n\n        if (!data) {\n          data = new Modal(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config](relatedTarget)\n        } else if (_config.show) {\n          data.show(relatedTarget)\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n    let target\n    const selector = Util.getSelectorFromElement(this)\n\n    if (selector) {\n      target = $(selector)[0]\n    }\n\n    const config = $(target).data(DATA_KEY) ?\n      'toggle' : $.extend({}, $(target).data(), $(this).data())\n\n    if (this.tagName === 'A' || this.tagName === 'AREA') {\n      event.preventDefault()\n    }\n\n    const $target = $(target).one(Event.SHOW, (showEvent) => {\n      if (showEvent.isDefaultPrevented()) {\n        // only register focus restorer if modal will actually get shown\n        return\n      }\n\n      $target.one(Event.HIDDEN, () => {\n        if ($(this).is(':visible')) {\n          this.focus()\n        }\n      })\n    })\n\n    Modal._jQueryInterface.call($(target), config, this)\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Modal._jQueryInterface\n  $.fn[NAME].Constructor = Modal\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Modal._jQueryInterface\n  }\n\n  return Modal\n\n})(jQuery)\n\nexport default Modal\n"]}
\ No newline at end of file
diff --git a/js/dist/popover.js b/js/dist/popover.js
index 0d960e1e0..1e82e8210 100644
--- a/js/dist/popover.js
+++ b/js/dist/popover.js
@@ -10,7 +10,7 @@ function _inherits(subClass, superClass) { if (typeof superClass !== "function"
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -24,16 +24,18 @@ var Popover = function ($) {
    */
 
   var NAME = 'popover';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.popover';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
+  var CLASS_PREFIX = 'bs-popover';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var Default = $.extend({}, Tooltip.Default, {
     placement: 'right',
     trigger: 'click',
     content: '',
-    template: '<div class="popover" role="tooltip">' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
+    template: '<div class="popover" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<h3 class="popover-title"></h3>' + '<div class="popover-content"></div></div>'
   });
 
   var DefaultType = $.extend({}, Tooltip.DefaultType, {
@@ -84,6 +86,10 @@ var Popover = function ($) {
       return this.getTitle() || this._getContent();
     };
 
+    Popover.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Popover.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
@@ -96,8 +102,6 @@ var Popover = function ($) {
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent());
 
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     // private
@@ -106,6 +110,14 @@ var Popover = function ($) {
       return this.element.getAttribute('data-content') || (typeof this.config.content === 'function' ? this.config.content.call(this.element) : this.config.content);
     };
 
+    Popover.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
     // static
 
     Popover._jQueryInterface = function _jQueryInterface(config) {
@@ -190,4 +202,4 @@ var Popover = function ($) {
 
   return Popover;
 }(jQuery);
-//# sourceMappingURL=popover.js.map
+//# sourceMappingURL=popover.js.map
\ No newline at end of file
diff --git a/js/dist/popover.js.map b/js/dist/popover.js.map
index d3aea8534..727ee815f 100644
--- a/js/dist/popover.js.map
+++ b/js/dist/popover.js.map
@@ -1 +1 @@
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Tooltip from './tooltip'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Popover = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'popover'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.popover'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n\n  const Default = $.extend({}, Tooltip.Default, {\n    placement : 'right',\n    trigger   : 'click',\n    content   : '',\n    template  : '<div class=\"popover\" role=\"tooltip\">'\n              + '<h3 class=\"popover-title\"></h3>'\n              + '<div class=\"popover-content\"></div></div>'\n  })\n\n  const DefaultType = $.extend({}, Tooltip.DefaultType, {\n    content : '(string|element|function)'\n  })\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TITLE   : '.popover-title',\n    CONTENT : '.popover-content'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n 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$tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n\n      this.cleanupTether()\n    }\n\n    // private\n\n    _getContent() {\n      return this.element.getAttribute('data-content')\n        || (typeof this.config.content === 'function' ?\n              this.config.content.call(this.element) :\n              this.config.content)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data && /destroy|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Popover(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Popover._jQueryInterface\n  $.fn[NAME].Constructor = Popover\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Popover._jQueryInterface\n  }\n\n  return Popover\n\n})(jQuery)\n\nexport default Popover\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/popover.js"],"names":["Popover","$","NAME","VERSION","DATA_KEY","EVENT_KEY","JQUERY_NO_CONFLICT","fn","CLASS_PREFIX","BSCLS_PREFIX_REGEX","RegExp","Default","extend","Tooltip","placement","trigger","content","template","DefaultType","ClassName","FADE","SHOW","Selector","TITLE","CONTENT","Event","HIDE","HIDDEN","SHOWN","INSERTED","CLICK","FOCUSIN","FOCUSOUT","MOUSEENTER","MOUSELEAVE","isWithContent","getTitle","_getContent","addAttachmentClass","attachment","getTipElement","addClass","tip","config","setContent","$tip","setElementContent","find","removeClass","element","getAttribute","call","_cleanTipClass","tabClass","attr","match","length","join","_jQueryInterface","each","data","_config","test","undefined","Error","Constructor","noConflict","jQuery"],"mappings":";;;;;;;;;;AAGA;;;;;;;AAOA,IAAMA,UAAW,UAACC,CAAD,EAAO;;AAGtB;;;;;;AAMA,MAAMC,OAAsB,SAA5B;AACA,MAAMC,UAAsB,eAA5B;AACA,MAAMC,WAAsB,YAA5B;AACA,MAAMC,kBAA0BD,QAAhC;AACA,MAAME,qBAAsBL,EAAEM,EAAF,CAAKL,IAAL,CAA5B;AACA,MAAMM,eAAsB,YAA5B;AACA,MAAMC,qBAAsB,IAAIC,MAAJ,aAAqBF,YAArB,WAAyC,GAAzC,CAA5B;;AAEA,MAAMG,UAAUV,EAAEW,MAAF,CAAS,EAAT,EAAaC,QAAQF,OAArB,EAA8B;AAC5CG,eAAY,OADgC;AAE5CC,aAAY,OAFgC;AAG5CC,aAAY,EAHgC;AAI5CC,cAAY,yCACA,mCADA,GAEA,iCAFA,GAGA;AAPgC,GAA9B,CAAhB;;AAUA,MAAMC,cAAcjB,EAAEW,MAAF,CAAS,EAAT,EAAaC,QAAQK,WAArB,EAAkC;AACpDF,aAAU;AAD0C,GAAlC,CAApB;;AAIA,MAAMG,YAAY;AAChBC,UAAO,MADS;AAEhBC,UAAO;AAFS,GAAlB;;AAKA,MAAMC,WAAW;AACfC,WAAU,gBADK;AAEfC,aAAU;AAFK,GAAjB;;AAKA,MAAMC,QAAQ;AACZC,mBAAoBrB,SADR;AAEZsB,uBAAsBtB,SAFV;AAGZgB,mBAAoBhB,SAHR;AAIZuB,qBAAqBvB,SAJT;AAKZwB,2BAAwBxB,SALZ;AAMZyB,qBAAqBzB,SANT;AAOZ0B,yBAAuB1B,SAPX;AAQZ2B,2BAAwB3B,SARZ;AASZ4B,+BAA0B5B,SATd;AAUZ6B,+BAA0B7B;AAVd,GAAd;;AAcA;;;;;;AAvDsB,MA6DhBL,OA7DgB;AAAA;;AAAA;AAAA;;AAAA;AAAA;;AA+FpB;;AA/FoB,sBAiGpBmC,aAjGoB,4BAiGJ;AACd,aAAO,KAAKC,QAAL,MAAmB,KAAKC,WAAL,EAA1B;AACD,KAnGmB;;AAAA,sBAqGpBC,kBArGoB,+BAqGDC,UArGC,EAqGW;AAC7BtC,QAAE,KAAKuC,aAAL,EAAF,EAAwBC,QAAxB,CAAoCjC,YAApC,SAAoD+B,UAApD;AACD,KAvGmB;;AAAA,sBAyGpBC,aAzGoB,4BAyGJ;AACd,aAAO,KAAKE,GAAL,GAAW,KAAKA,GAAL,IAAYzC,EAAE,KAAK0C,MAAL,CAAY1B,QAAd,EAAwB,CAAxB,CAA9B;AACD,KA3GmB;;AAAA,sBA6GpB2B,UA7GoB,yBA6GP;AACX,UAAMC,OAAO5C,EAAE,KAAKuC,aAAL,EAAF,CAAb;;AAEA;AACA,WAAKM,iBAAL,CAAuBD,KAAKE,IAAL,CAAUzB,SAASC,KAAnB,CAAvB,EAAkD,KAAKa,QAAL,EAAlD;AACA,WAAKU,iBAAL,CAAuBD,KAAKE,IAAL,CAAUzB,SAASE,OAAnB,CAAvB,EAAoD,KAAKa,WAAL,EAApD;;AAEAQ,WAAKG,WAAL,CAAoB7B,UAAUC,IAA9B,SAAsCD,UAAUE,IAAhD;AACD,KArHmB;;AAuHpB;;AAvHoB,sBAyHpBgB,WAzHoB,0BAyHN;AACZ,aAAO,KAAKY,OAAL,CAAaC,YAAb,CAA0B,cAA1B,MACD,OAAO,KAAKP,MAAL,CAAY3B,OAAnB,KAA+B,UAA/B,GACE,KAAK2B,MAAL,CAAY3B,OAAZ,CAAoBmC,IAApB,CAAyB,KAAKF,OAA9B,CADF,GAEE,KAAKN,MAAL,CAAY3B,OAHb,CAAP;AAID,KA9HmB;;AAAA,sBAgIpBoC,cAhIoB,6BAgIH;AACf,UAAMP,OAAO5C,EAAE,KAAKuC,aAAL,EAAF,CAAb;AACA,UAAMa,WAAWR,KAAKS,IAAL,CAAU,OAAV,EAAmBC,KAAnB,CAAyB9C,kBAAzB,CAAjB;AACA,UAAI4C,aAAa,IAAb,IAAqBA,SAASG,MAAT,GAAkB,CAA3C,EAA8C;AAC5CX,aAAKG,WAAL,CAAiBK,SAASI,IAAT,CAAc,EAAd,CAAjB;AACD;AACF,KAtImB;;AAyIpB;;AAzIoB,YA2IbC,gBA3Ia,6BA2IIf,MA3IJ,EA2IY;AAC9B,aAAO,KAAKgB,IAAL,CAAU,YAAY;AAC3B,YAAIC,OAAY3D,EAAE,IAAF,EAAQ2D,IAAR,CAAaxD,QAAb,CAAhB;AACA,YAAMyD,UAAU,QAAOlB,MAAP,yCAAOA,MAAP,OAAkB,QAAlB,GAA6BA,MAA7B,GAAsC,IAAtD;;AAEA,YAAI,CAACiB,IAAD,IAAS,eAAeE,IAAf,CAAoBnB,MAApB,CAAb,EAA0C;AACxC;AACD;;AAED,YAAI,CAACiB,IAAL,EAAW;AACTA,iBAAO,IAAI5D,OAAJ,CAAY,IAAZ,EAAkB6D,OAAlB,CAAP;AACA5D,YAAE,IAAF,EAAQ2D,IAAR,CAAaxD,QAAb,EAAuBwD,IAAvB;AACD;;AAED,YAAI,OAAOjB,MAAP,KAAkB,QAAtB,EAAgC;AAC9B,cAAIiB,KAAKjB,MAAL,MAAiBoB,SAArB,EAAgC;AAC9B,kBAAM,IAAIC,KAAJ,uBAA8BrB,MAA9B,OAAN;AACD;AACDiB,eAAKjB,MAAL;AACD;AACF,OAnBM,CAAP;AAoBD,KAhKmB;;AAAA;AAAA;;;AAgEpB;;AAhEoB,0BAkEC;AACnB,eAAOxC,OAAP;AACD;AApEmB;AAAA;AAAA,0BAsEC;AACnB,eAAOQ,OAAP;AACD;AAxEmB;AAAA;AAAA,0BA0EF;AAChB,eAAOT,IAAP;AACD;AA5EmB;AAAA;AAAA,0BA8EE;AACpB,eAAOE,QAAP;AACD;AAhFmB;AAAA;AAAA,0BAkFD;AACjB,eAAOqB,KAAP;AACD;AApFmB;AAAA;AAAA,0BAsFG;AACrB,eAAOpB,SAAP;AACD;AAxFmB;AAAA;AAAA,0BA0FK;AACvB,eAAOa,WAAP;AACD;AA5FmB;;AAAA;AAAA,IA6DAL,OA7DA;;AAoKtB;;;;;;AAMAZ,IAAEM,EAAF,CAAKL,IAAL,IAAyBF,QAAQ0D,gBAAjC;AACAzD,IAAEM,EAAF,CAAKL,IAAL,EAAW+D,WAAX,GAAyBjE,OAAzB;AACAC,IAAEM,EAAF,CAAKL,IAAL,EAAWgE,UAAX,GAAyB,YAAY;AACnCjE,MAAEM,EAAF,CAAKL,IAAL,IAAaI,kBAAb;AACA,WAAON,QAAQ0D,gBAAf;AACD,GAHD;;AAKA,SAAO1D,OAAP;AAED,CAnLe,CAmLbmE,MAnLa,CAAhB","file":"popover.js","sourcesContent":["import Tooltip from './tooltip'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Popover = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'popover'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.popover'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const CLASS_PREFIX        = 'bs-popover'\n  const BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const Default = $.extend({}, Tooltip.Default, {\n    placement : 'right',\n    trigger   : 'click',\n    content   : '',\n    template  : '<div class=\"popover\" role=\"tooltip\">'\n              + '<div class=\"arrow\" x-arrow></div>'\n              + '<h3 class=\"popover-title\"></h3>'\n              + '<div class=\"popover-content\"></div></div>'\n  })\n\n  const DefaultType = $.extend({}, Tooltip.DefaultType, {\n    content : '(string|element|function)'\n  })\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TITLE   : '.popover-title',\n    CONTENT : '.popover-content'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Popover extends Tooltip {\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // overrides\n\n    isWithContent() {\n      return this.getTitle() || this._getContent()\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      return this.tip = this.tip || $(this.config.template)[0]\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n\n      // we use append for html objects to maintain js events\n      this.setElementContent($tip.find(Selector.TITLE), this.getTitle())\n      this.setElementContent($tip.find(Selector.CONTENT), this._getContent())\n\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    // private\n\n    _getContent() {\n      return this.element.getAttribute('data-content')\n        || (typeof this.config.content === 'function' ?\n              this.config.content.call(this.element) :\n              this.config.content)\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' ? config : null\n\n        if (!data && /destroy|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Popover(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Popover._jQueryInterface\n  $.fn[NAME].Constructor = Popover\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Popover._jQueryInterface\n  }\n\n  return Popover\n\n})(jQuery)\n\nexport default Popover\n"]}
\ No newline at end of file
diff --git a/js/dist/scrollspy.js b/js/dist/scrollspy.js
index 803b347e2..a332f96a1 100644
--- a/js/dist/scrollspy.js
+++ b/js/dist/scrollspy.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -20,7 +20,7 @@ var ScrollSpy = function ($) {
    */
 
   var NAME = 'scrollspy';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.scrollspy';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -47,18 +47,15 @@ var ScrollSpy = function ($) {
   var ClassName = {
     DROPDOWN_ITEM: 'dropdown-item',
     DROPDOWN_MENU: 'dropdown-menu',
-    NAV_LINK: 'nav-link',
-    NAV: 'nav',
     ACTIVE: 'active'
   };
 
   var Selector = {
     DATA_SPY: '[data-spy="scroll"]',
     ACTIVE: '.active',
-    LIST_ITEM: '.list-item',
-    LI: 'li',
-    LI_DROPDOWN: 'li.dropdown',
+    NAV_LIST_GROUP: '.nav, .list-group',
     NAV_LINKS: '.nav-link',
+    LIST_ITEMS: '.list-group-item',
     DROPDOWN: '.dropdown',
     DROPDOWN_ITEMS: '.dropdown-item',
     DROPDOWN_TOGGLE: '.dropdown-toggle'
@@ -84,7 +81,7 @@ var ScrollSpy = function ($) {
       this._element = element;
       this._scrollElement = element.tagName === 'BODY' ? window : element;
       this._config = this._getConfig(config);
-      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
+      this._selector = this._config.target + ' ' + Selector.NAV_LINKS + ',' + (this._config.target + ' ' + Selector.LIST_ITEMS + ',') + (this._config.target + ' ' + Selector.DROPDOWN_ITEMS);
       this._offsets = [];
       this._targets = [];
       this._activeTarget = null;
@@ -126,9 +123,12 @@ var ScrollSpy = function ($) {
           target = $(targetSelector)[0];
         }
 
-        if (target && (target.offsetWidth || target.offsetHeight)) {
-          // todo (fat): remove sketch reliance on jQuery position/offset
-          return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+        if (target) {
+          var targetBCR = target.getBoundingClientRect();
+          if (targetBCR.width || targetBCR.height) {
+            // todo (fat): remove sketch reliance on jQuery position/offset
+            return [$(target)[offsetMethod]().top + offsetBase, targetSelector];
+          }
         }
         return null;
       }).filter(function (item) {
@@ -175,7 +175,7 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getScrollTop = function _getScrollTop() {
-      return this._scrollElement === window ? this._scrollElement.scrollY : this._scrollElement.scrollTop;
+      return this._scrollElement === window ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop;
     };
 
     ScrollSpy.prototype._getScrollHeight = function _getScrollHeight() {
@@ -183,7 +183,7 @@ var ScrollSpy = function ($) {
     };
 
     ScrollSpy.prototype._getOffsetHeight = function _getOffsetHeight() {
-      return this._scrollElement === window ? window.innerHeight : this._scrollElement.offsetHeight;
+      return this._scrollElement === window ? window.innerHeight : this._scrollElement.getBoundingClientRect().height;
     };
 
     ScrollSpy.prototype._process = function _process() {
@@ -235,9 +235,11 @@ var ScrollSpy = function ($) {
         $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE);
         $link.addClass(ClassName.ACTIVE);
       } else {
-        // todo (fat) this is kinda sus...
-        // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find('> ' + Selector.NAV_LINKS).addClass(ClassName.ACTIVE);
+        // Set triggered link as active
+        $link.addClass(ClassName.ACTIVE);
+        // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+        $link.parents(Selector.NAV_LIST_GROUP).prev(Selector.NAV_LINKS + ', ' + Selector.LIST_ITEMS).addClass(ClassName.ACTIVE);
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
@@ -315,4 +317,4 @@ var ScrollSpy = function ($) {
 
   return ScrollSpy;
 }(jQuery);
-//# sourceMappingURL=scrollspy.js.map
+//# sourceMappingURL=scrollspy.js.map
\ No newline at end of file
diff --git a/js/dist/scrollspy.js.map b/js/dist/scrollspy.js.map
index 758a94fcd..425344d44 100644
--- a/js/dist/scrollspy.js.map
+++ b/js/dist/scrollspy.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/scrollspy.js"],"names":["ScrollSpy","$","NAME","VERSION","DATA_KEY","EVENT_KEY","DATA_API_KEY","JQUERY_NO_CONFLICT","fn","Default","offset","method","target","DefaultType","Event","ACTIVATE","SCROLL","LOAD_DATA_API","ClassName","DROPDOWN_ITEM","DROPDOWN_MENU","NAV_LINK","NAV","ACTIVE","Selector","DATA_SPY","LIST_ITEM","LI","LI_DROPDOWN","NAV_LINKS","DROPDOWN","DROPDOWN_ITEMS","DROPDOWN_TOGGLE","OffsetMethod","OFFSET","POSITION","element","config","_element","_scrollElement","tagName","window","_config","_getConfig","_selector","_offsets","_targets","_activeTarget","_scrollHeight","on","event","_process","refresh","autoMethod","offsetMethod","offsetBase","_getScrollTop","_getScrollHeight","targets","makeArray","map","targetSelector","Util","getSelectorFromElement","offsetWidth","offsetHeight","top","filter","item","sort","a","b","forEach","push","dispose","removeData","off","extend","id","attr","getUID","typeCheckConfig","scrollY","scrollTop","scrollHeight","Math","max","document","body","documentElement","_getOffsetHeight","innerHeight","maxScroll","length","_activate","_clear","i","isActiveTarget","undefined","queries","split","selector","$link","join","hasClass","closest","find","addClass","parents","trigger","relatedTarget","removeClass","_jQueryInterface","each","data","Error","scrollSpys","$spy","call","Constructor","noConflict","jQuery"],"mappings":";;;;;;AAGA;;;;;;;AAOA,IAAMA,YAAa,UAACC,CAAD,EAAO;;AAGxB;;;;;;AAMA,MAAMC,OAAqB,WAA3B;AACA,MAAMC,UAAqB,eAA3B;AACA,MAAMC,WAAqB,cAA3B;AACA,MAAMC,kBAAyBD,QAA/B;AACA,MAAME,eAAqB,WAA3B;AACA,MAAMC,qBAAqBN,EAAEO,EAAF,CAAKN,IAAL,CAA3B;;AAEA,MAAMO,UAAU;AACdC,YAAS,EADK;AAEdC,YAAS,MAFK;AAGdC,YAAS;AAHK,GAAhB;;AAMA,MAAMC,cAAc;AAClBH,YAAS,QADS;AAElBC,YAAS,QAFS;AAGlBC,YAAS;AAHS,GAApB;;AAMA,MAAME,QAAQ;AACZC,2BAA2BV,SADf;AAEZW,uBAAyBX,SAFb;AAGZY,4BAAuBZ,SAAvB,GAAmCC;AAHvB,GAAd;;AAMA,MAAMY,YAAY;AAChBC,mBAAgB,eADA;AAEhBC,mBAAgB,eAFA;AAGhBC,cAAgB,UAHA;AAIhBC,SAAgB,KAJA;AAKhBC,YAAgB;AALA,GAAlB;;AAQA,MAAMC,WAAW;AACfC,cAAkB,qBADH;AAEfF,YAAkB,SAFH;AAGfG,eAAkB,YAHH;AAIfC,QAAkB,IAJH;AAKfC,iBAAkB,aALH;AAMfC,eAAkB,WANH;AAOfC,cAAkB,WAPH;AAQfC,oBAAkB,gBARH;AASfC,qBAAkB;AATH,GAAjB;;AAYA,MAAMC,eAAe;AACnBC,YAAW,QADQ;AAEnBC,cAAW;AAFQ,GAArB;;AAMA;;;;;;AA5DwB,MAkElBnC,SAlEkB;AAoEtB,uBAAYoC,OAAZ,EAAqBC,MAArB,EAA6B;AAAA;;AAAA;;AAC3B,WAAKC,QAAL,GAAsBF,OAAtB;AACA,WAAKG,cAAL,GAAsBH,QAAQI,OAAR,KAAoB,MAApB,GAA6BC,MAA7B,GAAsCL,OAA5D;AACA,WAAKM,OAAL,GAAsB,KAAKC,UAAL,CAAgBN,MAAhB,CAAtB;AACA,WAAKO,SAAL,GAAyB,KAAKF,OAAL,CAAa9B,MAAhB,SAA0BY,SAASK,SAAnC,UACG,KAAKa,OAAL,CAAa9B,MADhB,SAC0BY,SAASO,cADnC,CAAtB;AAEA,WAAKc,QAAL,GAAsB,EAAtB;AACA,WAAKC,QAAL,GAAsB,EAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,CAAtB;;AAEA/C,QAAE,KAAKsC,cAAP,EAAuBU,EAAvB,CAA0BnC,MAAME,MAAhC,EAAwC,UAACkC,KAAD;AAAA,eAAW,MAAKC,QAAL,CAAcD,KAAd,CAAX;AAAA,OAAxC;;AAEA,WAAKE,OAAL;AACA,WAAKD,QAAL;AACD;;AAGD;;AAWA;;AAjGsB,wBAmGtBC,OAnGsB,sBAmGZ;AAAA;;AACR,UAAMC,aAAa,KAAKd,cAAL,KAAwB,KAAKA,cAAL,CAAoBE,MAA5C,GACjBR,aAAaE,QADI,GACOF,aAAaC,MADvC;;AAGA,UAAMoB,eAAe,KAAKZ,OAAL,CAAa/B,MAAb,KAAwB,MAAxB,GACnB0C,UADmB,GACN,KAAKX,OAAL,CAAa/B,MAD5B;;AAGA,UAAM4C,aAAaD,iBAAiBrB,aAAaE,QAA9B,GACjB,KAAKqB,aAAL,EADiB,GACM,CADzB;;AAGA,WAAKX,QAAL,GAAgB,EAAhB;AACA,WAAKC,QAAL,GAAgB,EAAhB;;AAEA,WAAKE,aAAL,GAAqB,KAAKS,gBAAL,EAArB;;AAEA,UAAMC,UAAUzD,EAAE0D,SAAF,CAAY1D,EAAE,KAAK2C,SAAP,CAAZ,CAAhB;;AAEAc,cACGE,GADH,CACO,UAACxB,OAAD,EAAa;AAChB,YAAIxB,eAAJ;AACA,YAAMiD,iBAAiBC,KAAKC,sBAAL,CAA4B3B,OAA5B,CAAvB;;AAEA,YAAIyB,cAAJ,EAAoB;AAClBjD,mBAASX,EAAE4D,cAAF,EAAkB,CAAlB,CAAT;AACD;;AAED,YAAIjD,WAAWA,OAAOoD,WAAP,IAAsBpD,OAAOqD,YAAxC,CAAJ,EAA2D;AACzD;AACA,iBAAO,CACLhE,EAAEW,MAAF,EAAU0C,YAAV,IAA0BY,GAA1B,GAAgCX,UAD3B,EAELM,cAFK,CAAP;AAID;AACD,eAAO,IAAP;AACD,OAjBH,EAkBGM,MAlBH,CAkBU,UAACC,IAAD;AAAA,eAAWA,IAAX;AAAA,OAlBV,EAmBGC,IAnBH,CAmBQ,UAACC,CAAD,EAAIC,CAAJ;AAAA,eAAaD,EAAE,CAAF,IAAOC,EAAE,CAAF,CAApB;AAAA,OAnBR,EAoBGC,OApBH,CAoBW,UAACJ,IAAD,EAAU;AACjB,eAAKvB,QAAL,CAAc4B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACA,eAAKtB,QAAL,CAAc2B,IAAd,CAAmBL,KAAK,CAAL,CAAnB;AACD,OAvBH;AAwBD,KA5IqB;;AAAA,wBA8ItBM,OA9IsB,sBA8IZ;AACRzE,QAAE0E,UAAF,CAAa,KAAKrC,QAAlB,EAA4BlC,QAA5B;AACAH,QAAE,KAAKsC,cAAP,EAAuBqC,GAAvB,CAA2BvE,SAA3B;;AAEA,WAAKiC,QAAL,GAAsB,IAAtB;AACA,WAAKC,cAAL,GAAsB,IAAtB;AACA,WAAKG,OAAL,GAAsB,IAAtB;AACA,WAAKE,SAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,QAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACA,WAAKC,aAAL,GAAsB,IAAtB;AACD,KA1JqB;;AA6JtB;;AA7JsB,wBA+JtBL,UA/JsB,uBA+JXN,MA/JW,EA+JH;AACjBA,eAASpC,EAAE4E,MAAF,CAAS,EAAT,EAAapE,OAAb,EAAsB4B,MAAtB,CAAT;;AAEA,UAAI,OAAOA,OAAOzB,MAAd,KAAyB,QAA7B,EAAuC;AACrC,YAAIkE,KAAK7E,EAAEoC,OAAOzB,MAAT,EAAiBmE,IAAjB,CAAsB,IAAtB,CAAT;AACA,YAAI,CAACD,EAAL,EAAS;AACPA,eAAKhB,KAAKkB,MAAL,CAAY9E,IAAZ,CAAL;AACAD,YAAEoC,OAAOzB,MAAT,EAAiBmE,IAAjB,CAAsB,IAAtB,EAA4BD,EAA5B;AACD;AACDzC,eAAOzB,MAAP,SAAoBkE,EAApB;AACD;;AAEDhB,WAAKmB,eAAL,CAAqB/E,IAArB,EAA2BmC,MAA3B,EAAmCxB,WAAnC;;AAEA,aAAOwB,MAAP;AACD,KA9KqB;;AAAA,wBAgLtBmB,aAhLsB,4BAgLN;AACd,aAAO,KAAKjB,cAAL,KAAwBE,MAAxB,GACH,KAAKF,cAAL,CAAoB2C,OADjB,GAC2B,KAAK3C,cA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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME               = 'scrollspy'\n  const VERSION            = '4.0.0-alpha.5'\n  const DATA_KEY           = 'bs.scrollspy'\n  const EVENT_KEY          = `.${DATA_KEY}`\n  const DATA_API_KEY       = '.data-api'\n  const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n  const Default = {\n    offset : 10,\n    method : 'auto',\n    target : ''\n  }\n\n  const DefaultType = {\n    offset : 'number',\n    method : 'string',\n    target : '(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_ITEM : 'dropdown-item',\n    DROPDOWN_MENU : 'dropdown-menu',\n    NAV_LINK      : 'nav-link',\n    NAV           : 'nav',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY        : '[data-spy=\"scroll\"]',\n    ACTIVE          : '.active',\n    LIST_ITEM       : '.list-item',\n    LI              : 'li',\n    LI_DROPDOWN     : 'li.dropdown',\n    NAV_LINKS       : '.nav-link',\n    DROPDOWN        : '.dropdown',\n    DROPDOWN_ITEMS  : '.dropdown-item',\n    DROPDOWN_TOGGLE : '.dropdown-toggle'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`\n                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      const autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      const offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      const targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          const targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target && (target.offsetWidth || target.offsetHeight)) {\n            // todo (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n          return null\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.scrollY : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _getOffsetHeight() {\n      return this._scrollElement === window ?\n          window.innerHeight : this._scrollElement.offsetHeight\n    }\n\n    _process() {\n      const scrollTop    = this._getScrollTop() + this._config.offset\n      const scrollHeight = this._getScrollHeight()\n      const maxScroll    = this._config.offset\n        + scrollHeight\n        - this._getOffsetHeight()\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        const target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n        return\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        const isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (this._offsets[i + 1] === undefined ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let queries = this._selector.split(',')\n      queries     = queries.map((selector) => {\n        return `${selector}[data-target=\"${target}\"],` +\n               `${selector}[href=\"${target}\"]`\n      })\n\n      const $link = $(queries.join(','))\n\n      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        $link.addClass(ClassName.ACTIVE)\n      } else {\n        // todo (fat) this is kinda sus...\n        // recursively add actives to tested nav-links\n        $link.parents(Selector.LI).find(`> ${Selector.NAV_LINKS}`).addClass(ClassName.ACTIVE)\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      const $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst ScrollSpy = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME               = 'scrollspy'\n  const VERSION            = '4.0.0-alpha.6'\n  const DATA_KEY           = 'bs.scrollspy'\n  const EVENT_KEY          = `.${DATA_KEY}`\n  const DATA_API_KEY       = '.data-api'\n  const JQUERY_NO_CONFLICT = $.fn[NAME]\n\n  const Default = {\n    offset : 10,\n    method : 'auto',\n    target : ''\n  }\n\n  const DefaultType = {\n    offset : 'number',\n    method : 'string',\n    target : '(string|element)'\n  }\n\n  const Event = {\n    ACTIVATE      : `activate${EVENT_KEY}`,\n    SCROLL        : `scroll${EVENT_KEY}`,\n    LOAD_DATA_API : `load${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_ITEM : 'dropdown-item',\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active'\n  }\n\n  const Selector = {\n    DATA_SPY        : '[data-spy=\"scroll\"]',\n    ACTIVE          : '.active',\n    NAV_LIST_GROUP  : '.nav, .list-group',\n    NAV_LINKS       : '.nav-link',\n    LIST_ITEMS      : '.list-group-item',\n    DROPDOWN        : '.dropdown',\n    DROPDOWN_ITEMS  : '.dropdown-item',\n    DROPDOWN_TOGGLE : '.dropdown-toggle'\n  }\n\n  const OffsetMethod = {\n    OFFSET   : 'offset',\n    POSITION : 'position'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class ScrollSpy {\n\n    constructor(element, config) {\n      this._element       = element\n      this._scrollElement = element.tagName === 'BODY' ? window : element\n      this._config        = this._getConfig(config)\n      this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`\n                          + `${this._config.target} ${Selector.LIST_ITEMS},`\n                          + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`\n      this._offsets       = []\n      this._targets       = []\n      this._activeTarget  = null\n      this._scrollHeight  = 0\n\n      $(this._scrollElement).on(Event.SCROLL, (event) => this._process(event))\n\n      this.refresh()\n      this._process()\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n\n    // public\n\n    refresh() {\n      const autoMethod = this._scrollElement !== this._scrollElement.window ?\n        OffsetMethod.POSITION : OffsetMethod.OFFSET\n\n      const offsetMethod = this._config.method === 'auto' ?\n        autoMethod : this._config.method\n\n      const offsetBase = offsetMethod === OffsetMethod.POSITION ?\n        this._getScrollTop() : 0\n\n      this._offsets = []\n      this._targets = []\n\n      this._scrollHeight = this._getScrollHeight()\n\n      const targets = $.makeArray($(this._selector))\n\n      targets\n        .map((element) => {\n          let target\n          const targetSelector = Util.getSelectorFromElement(element)\n\n          if (targetSelector) {\n            target = $(targetSelector)[0]\n          }\n\n          if (target) {\n            const targetBCR = target.getBoundingClientRect()\n            if (targetBCR.width || targetBCR.height) {\n              // todo (fat): remove sketch reliance on jQuery position/offset\n              return [\n                $(target)[offsetMethod]().top + offsetBase,\n                targetSelector\n              ]\n            }\n          }\n          return null\n        })\n        .filter((item)  => item)\n        .sort((a, b)    => a[0] - b[0])\n        .forEach((item) => {\n          this._offsets.push(item[0])\n          this._targets.push(item[1])\n        })\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      $(this._scrollElement).off(EVENT_KEY)\n\n      this._element       = null\n      this._scrollElement = null\n      this._config        = null\n      this._selector      = null\n      this._offsets       = null\n      this._targets       = null\n      this._activeTarget  = null\n      this._scrollHeight  = null\n    }\n\n\n    // private\n\n    _getConfig(config) {\n      config = $.extend({}, Default, config)\n\n      if (typeof config.target !== 'string') {\n        let id = $(config.target).attr('id')\n        if (!id) {\n          id = Util.getUID(NAME)\n          $(config.target).attr('id', id)\n        }\n        config.target = `#${id}`\n      }\n\n      Util.typeCheckConfig(NAME, config, DefaultType)\n\n      return config\n    }\n\n    _getScrollTop() {\n      return this._scrollElement === window ?\n          this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n    }\n\n    _getScrollHeight() {\n      return this._scrollElement.scrollHeight || Math.max(\n        document.body.scrollHeight,\n        document.documentElement.scrollHeight\n      )\n    }\n\n    _getOffsetHeight() {\n      return this._scrollElement === window ?\n          window.innerHeight : this._scrollElement.getBoundingClientRect().height\n    }\n\n    _process() {\n      const scrollTop    = this._getScrollTop() + this._config.offset\n      const scrollHeight = this._getScrollHeight()\n      const maxScroll    = this._config.offset\n        + scrollHeight\n        - this._getOffsetHeight()\n\n      if (this._scrollHeight !== scrollHeight) {\n        this.refresh()\n      }\n\n      if (scrollTop >= maxScroll) {\n        const target = this._targets[this._targets.length - 1]\n\n        if (this._activeTarget !== target) {\n          this._activate(target)\n        }\n        return\n      }\n\n      if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n        this._activeTarget = null\n        this._clear()\n        return\n      }\n\n      for (let i = this._offsets.length; i--;) {\n        const isActiveTarget = this._activeTarget !== this._targets[i]\n            && scrollTop >= this._offsets[i]\n            && (this._offsets[i + 1] === undefined ||\n                scrollTop < this._offsets[i + 1])\n\n        if (isActiveTarget) {\n          this._activate(this._targets[i])\n        }\n      }\n    }\n\n    _activate(target) {\n      this._activeTarget = target\n\n      this._clear()\n\n      let queries = this._selector.split(',')\n      queries     = queries.map((selector) => {\n        return `${selector}[data-target=\"${target}\"],` +\n               `${selector}[href=\"${target}\"]`\n      })\n\n      const $link = $(queries.join(','))\n\n      if ($link.hasClass(ClassName.DROPDOWN_ITEM)) {\n        $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        $link.addClass(ClassName.ACTIVE)\n      } else {\n        // Set triggered link as active\n        $link.addClass(ClassName.ACTIVE)\n        // Set triggered links parents as active\n        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n        $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)\n      }\n\n      $(this._scrollElement).trigger(Event.ACTIVATE, {\n        relatedTarget: target\n      })\n    }\n\n    _clear() {\n      $(this._selector).filter(Selector.ACTIVE).removeClass(ClassName.ACTIVE)\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data) {\n          data = new ScrollSpy(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(window).on(Event.LOAD_DATA_API, () => {\n    const scrollSpys = $.makeArray($(Selector.DATA_SPY))\n\n    for (let i = scrollSpys.length; i--;) {\n      const $spy = $(scrollSpys[i])\n      ScrollSpy._jQueryInterface.call($spy, $spy.data())\n    }\n  })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = ScrollSpy._jQueryInterface\n  $.fn[NAME].Constructor = ScrollSpy\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return ScrollSpy._jQueryInterface\n  }\n\n  return ScrollSpy\n\n})(jQuery)\n\nexport default ScrollSpy\n"]}
\ No newline at end of file
diff --git a/js/dist/tab.js b/js/dist/tab.js
index 34cc97187..fb0749ed5 100644
--- a/js/dist/tab.js
+++ b/js/dist/tab.js
@@ -4,7 +4,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ var Tab = function ($) {
    */
 
   var NAME = 'tab';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tab';
   var EVENT_KEY = '.' + DATA_KEY;
   var DATA_API_KEY = '.data-api';
@@ -42,14 +42,10 @@ var Tab = function ($) {
   };
 
   var Selector = {
-    A: 'a',
-    LI: 'li',
     DROPDOWN: '.dropdown',
-    LIST: 'ul:not(.dropdown-menu), ol:not(.dropdown-menu)',
-    FADE_CHILD: '> .nav-item .fade, > .fade',
+    NAV_LIST_GROUP: '.nav, .list-group',
     ACTIVE: '.active',
-    ACTIVE_CHILD: '> .nav-item > .active, > .active',
-    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"]',
+    DATA_TOGGLE: '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
     DROPDOWN_TOGGLE: '.dropdown-toggle',
     DROPDOWN_ACTIVE_CHILD: '> .dropdown-menu .active'
   };
@@ -80,7 +76,7 @@ var Tab = function ($) {
 
       var target = void 0;
       var previous = void 0;
-      var listElement = $(this._element).closest(Selector.LIST)[0];
+      var listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0];
       var selector = Util.getSelectorFromElement(this._element);
 
       if (listElement) {
@@ -133,7 +129,7 @@ var Tab = function ($) {
     };
 
     Tab.prototype.dispose = function dispose() {
-      $.removeClass(this._element, DATA_KEY);
+      $.removeData(this._element, DATA_KEY);
       this._element = null;
     };
 
@@ -142,8 +138,8 @@ var Tab = function ($) {
     Tab.prototype._activate = function _activate(element, container, callback) {
       var _this2 = this;
 
-      var active = $(container).find(Selector.ACTIVE_CHILD)[0];
-      var isTransitioning = callback && Util.supportsTransitionEnd() && (active && $(active).hasClass(ClassName.FADE) || Boolean($(container).find(Selector.FADE_CHILD)[0]));
+      var active = $(container).find(Selector.ACTIVE)[0];
+      var isTransitioning = callback && Util.supportsTransitionEnd() && active && $(active).hasClass(ClassName.FADE);
 
       var complete = function complete() {
         return _this2._transitionComplete(element, active, isTransitioning, callback);
@@ -255,4 +251,4 @@ var Tab = function ($) {
 
   return Tab;
 }(jQuery);
-//# sourceMappingURL=tab.js.map
+//# sourceMappingURL=tab.js.map
\ No newline at end of file
diff --git a/js/dist/tab.js.map b/js/dist/tab.js.map
index 5eadeec95..7e0d8179d 100644
--- a/js/dist/tab.js.map
+++ b/js/dist/tab.js.map
@@ -1 +1 @@
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    DISABLED      : 'disabled',\n    FADE          : 'fade',\n    SHOW          : 'show'\n  }\n\n  const Selector = {\n    A                     : 'a',\n    LI                    : 'li',\n    DROPDOWN              : '.dropdown',\n    LIST                  : 'ul:not(.dropdown-menu), ol:not(.dropdown-menu)',\n    FADE_CHILD            : '> .nav-item .fade, > .fade',\n    ACTIVE                : '.active',\n    ACTIVE_CHILD          : '> .nav-item > .active, > .active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"]',\n    DROPDOWN_TOGGLE       : '.dropdown-toggle',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n          this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n          $(this._element).hasClass(ClassName.ACTIVE) ||\n          $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      let target\n      let previous\n      const listElement = $(this._element).closest(Selector.LIST)[0]\n      const selector    = Util.getSelectorFromElement(this._element)\n\n      if (listElement) {\n        previous = $.makeArray($(listElement).find(Selector.ACTIVE))\n        previous = previous[previous.length - 1]\n      }\n\n      const hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        this._element,\n        listElement\n      )\n\n      const complete = () => {\n        const hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        const shownEvent = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeClass(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      const active          = $(container).find(Selector.ACTIVE_CHILD)[0]\n      const isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && (active && $(active).hasClass(ClassName.FADE)\n           || Boolean($(container).find(Selector.FADE_CHILD)[0]))\n\n      const complete = () => this._transitionComplete(\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.SHOW)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        const dropdownChild = $(active.parentNode).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        active.setAttribute('aria-expanded', false)\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n      element.setAttribute('aria-expanded', true)\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.SHOW)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n          $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {\n\n        const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        }\n\n        element.setAttribute('aria-expanded', true)\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this = $(this)\n        let data    = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      Tab._jQueryInterface.call($(this), 'show')\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
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Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tab = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tab'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.tab'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const DATA_API_KEY        = '.data-api'\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n\n  const Event = {\n    HIDE           : `hide${EVENT_KEY}`,\n    HIDDEN         : `hidden${EVENT_KEY}`,\n    SHOW           : `show${EVENT_KEY}`,\n    SHOWN          : `shown${EVENT_KEY}`,\n    CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`\n  }\n\n  const ClassName = {\n    DROPDOWN_MENU : 'dropdown-menu',\n    ACTIVE        : 'active',\n    DISABLED      : 'disabled',\n    FADE          : 'fade',\n    SHOW          : 'show'\n  }\n\n  const Selector = {\n    DROPDOWN              : '.dropdown',\n    NAV_LIST_GROUP        : '.nav, .list-group',\n    ACTIVE                : '.active',\n    DATA_TOGGLE           : '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]',\n    DROPDOWN_TOGGLE       : '.dropdown-toggle',\n    DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tab {\n\n    constructor(element) {\n      this._element = element\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n\n    // public\n\n    show() {\n      if (this._element.parentNode &&\n          this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n          $(this._element).hasClass(ClassName.ACTIVE) ||\n          $(this._element).hasClass(ClassName.DISABLED)) {\n        return\n      }\n\n      let target\n      let previous\n      const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0]\n      const selector    = Util.getSelectorFromElement(this._element)\n\n      if (listElement) {\n        previous = $.makeArray($(listElement).find(Selector.ACTIVE))\n        previous = previous[previous.length - 1]\n      }\n\n      const hideEvent = $.Event(Event.HIDE, {\n        relatedTarget: this._element\n      })\n\n      const showEvent = $.Event(Event.SHOW, {\n        relatedTarget: previous\n      })\n\n      if (previous) {\n        $(previous).trigger(hideEvent)\n      }\n\n      $(this._element).trigger(showEvent)\n\n      if (showEvent.isDefaultPrevented() ||\n         hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      if (selector) {\n        target = $(selector)[0]\n      }\n\n      this._activate(\n        this._element,\n        listElement\n      )\n\n      const complete = () => {\n        const hiddenEvent = $.Event(Event.HIDDEN, {\n          relatedTarget: this._element\n        })\n\n        const shownEvent = $.Event(Event.SHOWN, {\n          relatedTarget: previous\n        })\n\n        $(previous).trigger(hiddenEvent)\n        $(this._element).trigger(shownEvent)\n      }\n\n      if (target) {\n        this._activate(target, target.parentNode, complete)\n      } else {\n        complete()\n      }\n    }\n\n    dispose() {\n      $.removeData(this._element, DATA_KEY)\n      this._element = null\n    }\n\n\n    // private\n\n    _activate(element, container, callback) {\n      const active          = $(container).find(Selector.ACTIVE)[0]\n      const isTransitioning = callback\n        && Util.supportsTransitionEnd()\n        && (active && $(active).hasClass(ClassName.FADE))\n\n      const complete = () => this._transitionComplete(\n        element,\n        active,\n        isTransitioning,\n        callback\n      )\n\n      if (active && isTransitioning) {\n        $(active)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      if (active) {\n        $(active).removeClass(ClassName.SHOW)\n      }\n    }\n\n    _transitionComplete(element, active, isTransitioning, callback) {\n      if (active) {\n        $(active).removeClass(ClassName.ACTIVE)\n\n        const dropdownChild = $(active.parentNode).find(\n          Selector.DROPDOWN_ACTIVE_CHILD\n        )[0]\n\n        if (dropdownChild) {\n          $(dropdownChild).removeClass(ClassName.ACTIVE)\n        }\n\n        active.setAttribute('aria-expanded', false)\n      }\n\n      $(element).addClass(ClassName.ACTIVE)\n      element.setAttribute('aria-expanded', true)\n\n      if (isTransitioning) {\n        Util.reflow(element)\n        $(element).addClass(ClassName.SHOW)\n      } else {\n        $(element).removeClass(ClassName.FADE)\n      }\n\n      if (element.parentNode &&\n          $(element.parentNode).hasClass(ClassName.DROPDOWN_MENU)) {\n\n        const dropdownElement = $(element).closest(Selector.DROPDOWN)[0]\n        if (dropdownElement) {\n          $(dropdownElement).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)\n        }\n\n        element.setAttribute('aria-expanded', true)\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        const $this = $(this)\n        let data    = $this.data(DATA_KEY)\n\n        if (!data) {\n          data = new Tab(this)\n          $this.data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Data Api implementation\n   * ------------------------------------------------------------------------\n   */\n\n  $(document)\n    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {\n      event.preventDefault()\n      Tab._jQueryInterface.call($(this), 'show')\n    })\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tab._jQueryInterface\n  $.fn[NAME].Constructor = Tab\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tab._jQueryInterface\n  }\n\n  return Tab\n\n})(jQuery)\n\nexport default Tab\n"]}
\ No newline at end of file
diff --git a/js/dist/tooltip.js b/js/dist/tooltip.js
index cceebcae4..f470481d1 100644
--- a/js/dist/tooltip.js
+++ b/js/dist/tooltip.js
@@ -6,7 +6,7 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -14,11 +14,11 @@ function _classCallCheck(instance, Constructor) { if (!(instance instanceof Cons
 var Tooltip = function ($) {
 
   /**
-   * Check for Tether dependency
-   * Tether - http://tether.io/
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
    */
-  if (typeof Tether === 'undefined') {
-    throw new Error('Bootstrap tooltips require Tether (http://tether.io/)');
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)');
   }
 
   /**
@@ -28,26 +28,13 @@ var Tooltip = function ($) {
    */
 
   var NAME = 'tooltip';
-  var VERSION = '4.0.0-alpha.5';
+  var VERSION = '4.0.0-alpha.6';
   var DATA_KEY = 'bs.tooltip';
   var EVENT_KEY = '.' + DATA_KEY;
   var JQUERY_NO_CONFLICT = $.fn[NAME];
   var TRANSITION_DURATION = 150;
-  var CLASS_PREFIX = 'bs-tether';
-
-  var Default = {
-    animation: true,
-    template: '<div class="tooltip" role="tooltip">' + '<div class="tooltip-inner"></div></div>',
-    trigger: 'hover focus',
-    title: '',
-    delay: 0,
-    html: false,
-    selector: false,
-    placement: 'top',
-    offset: '0 0',
-    constraints: [],
-    container: false
-  };
+  var CLASS_PREFIX = 'bs-tooltip';
+  var BSCLS_PREFIX_REGEX = new RegExp('(^|\\s)' + CLASS_PREFIX + '\\S+', 'g');
 
   var DefaultType = {
     animation: 'boolean',
@@ -58,16 +45,31 @@ var Tooltip = function ($) {
     html: 'boolean',
     selector: '(string|boolean)',
     placement: '(string|function)',
-    offset: 'string',
-    constraints: 'array',
-    container: '(string|element|boolean)'
+    offset: '(number|string)',
+    container: '(string|element|boolean)',
+    fallbackPlacement: '(string|array)'
   };
 
   var AttachmentMap = {
-    TOP: 'bottom center',
-    RIGHT: 'middle left',
-    BOTTOM: 'top center',
-    LEFT: 'middle right'
+    AUTO: 'auto',
+    TOP: 'top',
+    RIGHT: 'right',
+    BOTTOM: 'bottom',
+    LEFT: 'left'
+  };
+
+  var Default = {
+    animation: true,
+    template: '<div class="tooltip" role="tooltip">' + '<div class="arrow" x-arrow></div>' + '<div class="tooltip-inner"></div></div>',
+    trigger: 'hover focus',
+    title: '',
+    delay: 0,
+    html: false,
+    selector: false,
+    placement: 'top',
+    offset: 0,
+    container: false,
+    fallbackPlacement: 'flip'
   };
 
   var HoverState = {
@@ -98,11 +100,6 @@ var Tooltip = function ($) {
     TOOLTIP_INNER: '.tooltip-inner'
   };
 
-  var TetherClass = {
-    element: false,
-    enabled: false
-  };
-
   var Trigger = {
     HOVER: 'hover',
     FOCUS: 'focus',
@@ -125,8 +122,7 @@ var Tooltip = function ($) {
       this._timeout = 0;
       this._hoverState = '';
       this._activeTrigger = {};
-      this._isTransitioning = false;
-      this._tether = null;
+      this._popper = null;
 
       // protected
       this.element = element;
@@ -183,8 +179,6 @@ var Tooltip = function ($) {
     Tooltip.prototype.dispose = function dispose() {
       clearTimeout(this._timeout);
 
-      this.cleanupTether();
-
       $.removeData(this.element, this.constructor.DATA_KEY);
 
       $(this.element).off(this.constructor.EVENT_KEY);
@@ -198,7 +192,10 @@ var Tooltip = function ($) {
       this._timeout = null;
       this._hoverState = null;
       this._activeTrigger = null;
-      this._tether = null;
+      if (this._popper !== null) {
+        this._popper.destroy();
+      }
+      this._popper = null;
 
       this.element = null;
       this.config = null;
@@ -214,9 +211,6 @@ var Tooltip = function ($) {
 
       var showEvent = $.Event(this.constructor.Event.SHOW);
       if (this.isWithContent() && this._isEnabled) {
-        if (this._isTransitioning) {
-          throw new Error('Tooltip is transitioning');
-        }
         $(this.element).trigger(showEvent);
 
         var isInTheDom = $.contains(this.element.ownerDocument.documentElement, this.element);
@@ -240,33 +234,54 @@ var Tooltip = function ($) {
         var placement = typeof this.config.placement === 'function' ? this.config.placement.call(this, tip, this.element) : this.config.placement;
 
         var attachment = this._getAttachment(placement);
+        this.addAttachmentClass(attachment);
 
         var container = this.config.container === false ? document.body : $(this.config.container);
 
-        $(tip).data(this.constructor.DATA_KEY, this).appendTo(container);
+        $(tip).data(this.constructor.DATA_KEY, this);
+
+        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+          $(tip).appendTo(container);
+        }
 
         $(this.element).trigger(this.constructor.Event.INSERTED);
 
-        this._tether = new Tether({
-          attachment: attachment,
-          element: tip,
-          target: this.element,
-          classes: TetherClass,
-          classPrefix: CLASS_PREFIX,
-          offset: this.config.offset,
-          constraints: this.config.constraints,
-          addTargetClasses: false
+        this._popper = new Popper(this.element, tip, {
+          placement: attachment,
+          modifiers: {
+            offset: {
+              offset: this.config.offset
+            },
+            flip: {
+              behavior: this.config.fallbackPlacement
+            }
+          },
+          onCreate: function onCreate(data) {
+            if (data.originalPlacement !== data.placement) {
+              _this._handlePopperPlacementChange(data);
+            }
+          },
+          onUpdate: function onUpdate(data) {
+            _this._handlePopperPlacementChange(data);
+          }
         });
 
-        Util.reflow(tip);
-        this._tether.position();
-
         $(tip).addClass(ClassName.SHOW);
 
+        // if this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().on('mouseover', null, $.noop);
+        }
+
         var complete = function complete() {
+          if (_this.config.animation) {
+            _this._fixTransition();
+          }
           var prevHoverState = _this._hoverState;
           _this._hoverState = null;
-          _this._isTransitioning = false;
 
           $(_this.element).trigger(_this.constructor.Event.SHOWN);
 
@@ -276,12 +291,10 @@ var Tooltip = function ($) {
         };
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-          this._isTransitioning = true;
           $(this.tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(Tooltip._TRANSITION_DURATION);
-          return;
+        } else {
+          complete();
         }
-
-        complete();
       }
     };
 
@@ -290,18 +303,17 @@ var Tooltip = function ($) {
 
       var tip = this.getTipElement();
       var hideEvent = $.Event(this.constructor.Event.HIDE);
-      if (this._isTransitioning) {
-        throw new Error('Tooltip is transitioning');
-      }
       var complete = function complete() {
         if (_this2._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip);
         }
 
+        _this2._cleanTipClass();
         _this2.element.removeAttribute('aria-describedby');
         $(_this2.element).trigger(_this2.constructor.Event.HIDDEN);
-        _this2._isTransitioning = false;
-        _this2.cleanupTether();
+        if (_this2._popper !== null) {
+          _this2._popper.destroy();
+        }
 
         if (callback) {
           callback();
@@ -316,12 +328,18 @@ var Tooltip = function ($) {
 
       $(tip).removeClass(ClassName.SHOW);
 
+      // if this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+      if ('ontouchstart' in document.documentElement) {
+        $('body').children().off('mouseover', null, $.noop);
+      }
+
       this._activeTrigger[Trigger.CLICK] = false;
       this._activeTrigger[Trigger.FOCUS] = false;
       this._activeTrigger[Trigger.HOVER] = false;
 
       if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-        this._isTransitioning = true;
+
         $(tip).one(Util.TRANSITION_END, complete).emulateTransitionEnd(TRANSITION_DURATION);
       } else {
         complete();
@@ -330,24 +348,30 @@ var Tooltip = function ($) {
       this._hoverState = '';
     };
 
+    Tooltip.prototype.update = function update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate();
+      }
+    };
+
     // protected
 
     Tooltip.prototype.isWithContent = function isWithContent() {
       return Boolean(this.getTitle());
     };
 
+    Tooltip.prototype.addAttachmentClass = function addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(CLASS_PREFIX + '-' + attachment);
+    };
+
     Tooltip.prototype.getTipElement = function getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0];
     };
 
     Tooltip.prototype.setContent = function setContent() {
       var $tip = $(this.getTipElement());
-
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle());
-
       $tip.removeClass(ClassName.FADE + ' ' + ClassName.SHOW);
-
-      this.cleanupTether();
     };
 
     Tooltip.prototype.setElementContent = function setElementContent($element, content) {
@@ -376,12 +400,6 @@ var Tooltip = function ($) {
       return title;
     };
 
-    Tooltip.prototype.cleanupTether = function cleanupTether() {
-      if (this._tether) {
-        this._tether.destroy();
-      }
-    };
-
     // private
 
     Tooltip.prototype._getAttachment = function _getAttachment(placement) {
@@ -521,6 +539,14 @@ var Tooltip = function ($) {
         };
       }
 
+      if (config.title && typeof config.title === 'number') {
+        config.title = config.title.toString();
+      }
+
+      if (config.content && typeof config.content === 'number') {
+        config.content = config.content.toString();
+      }
+
       Util.typeCheckConfig(NAME, config, this.constructor.DefaultType);
 
       return config;
@@ -540,6 +566,32 @@ var Tooltip = function ($) {
       return config;
     };
 
+    Tooltip.prototype._cleanTipClass = function _cleanTipClass() {
+      var $tip = $(this.getTipElement());
+      var tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX);
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''));
+      }
+    };
+
+    Tooltip.prototype._handlePopperPlacementChange = function _handlePopperPlacementChange(data) {
+      this._cleanTipClass();
+      this.addAttachmentClass(this._getAttachment(data.placement));
+    };
+
+    Tooltip.prototype._fixTransition = function _fixTransition() {
+      var tip = this.getTipElement();
+      var initConfigAnimation = this.config.animation;
+      if (tip.getAttribute('x-placement') !== null) {
+        return;
+      }
+      $(tip).removeClass(ClassName.FADE);
+      this.config.animation = false;
+      this.hide();
+      this.show();
+      this.config.animation = initConfigAnimation;
+    };
+
     // static
 
     Tooltip._jQueryInterface = function _jQueryInterface(config) {
@@ -619,5 +671,5 @@ var Tooltip = function ($) {
   };
 
   return Tooltip;
-}(jQuery); /* global Tether */
-//# sourceMappingURL=tooltip.js.map
+}(jQuery); /* global Popper */
+//# sourceMappingURL=tooltip.js.map
\ No newline at end of file
diff --git a/js/dist/tooltip.js.map b/js/dist/tooltip.js.map
index 555dcee9b..ce79d67d1 100644
--- a/js/dist/tooltip.js.map
+++ b/js/dist/tooltip.js.map
@@ -1 +1 @@
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global Tether */\n\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tooltip = (($) => {\n\n  /**\n   * Check for Tether dependency\n   * Tether - http://tether.io/\n   */\n  if (typeof Tether === 'undefined') {\n    throw new Error('Bootstrap tooltips require Tether (http://tether.io/)')\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tooltip'\n  const VERSION             = '4.0.0-alpha.5'\n  const DATA_KEY            = 'bs.tooltip'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n  const CLASS_PREFIX        = 'bs-tether'\n\n  const Default = {\n    animation   : true,\n    template    : '<div class=\"tooltip\" role=\"tooltip\">'\n                + '<div class=\"tooltip-inner\"></div></div>',\n    trigger     : 'hover focus',\n    title       : '',\n    delay       : 0,\n    html        : false,\n    selector    : false,\n    placement   : 'top',\n    offset      : '0 0',\n    constraints : [],\n    container   : false\n  }\n\n  const DefaultType = {\n    animation   : 'boolean',\n    template    : 'string',\n    title       : '(string|element|function)',\n    trigger     : 'string',\n    delay       : '(number|object)',\n    html        : 'boolean',\n    selector    : '(string|boolean)',\n    placement   : '(string|function)',\n    offset      : 'string',\n    constraints : 'array',\n    container   : '(string|element|boolean)'\n  }\n\n  const AttachmentMap = {\n    TOP    : 'bottom center',\n    RIGHT  : 'middle left',\n    BOTTOM : 'top center',\n    LEFT   : 'middle right'\n  }\n\n  const HoverState = {\n    SHOW : 'show',\n    OUT  : 'out'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TOOLTIP       : '.tooltip',\n    TOOLTIP_INNER : '.tooltip-inner'\n  }\n\n  const TetherClass = {\n    element : false,\n    enabled : false\n  }\n\n  const Trigger = {\n    HOVER  : 'hover',\n    FOCUS  : 'focus',\n    CLICK  : 'click',\n    MANUAL : 'manual'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tooltip {\n\n    constructor(element, config) {\n\n      // private\n      this._isEnabled        = true\n      this._timeout          = 0\n      this._hoverState       = ''\n      this._activeTrigger    = {}\n      this._isTransitioning  = false\n      this._tether           = null\n\n      // protected\n      this.element = element\n      this.config  = this._getConfig(config)\n      this.tip     = null\n\n      this._setListeners()\n\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // public\n\n    enable() {\n      this._isEnabled = true\n    }\n\n    disable() {\n      this._isEnabled = false\n    }\n\n    toggleEnabled() {\n      this._isEnabled = !this._isEnabled\n    }\n\n    toggle(event) {\n      if (event) {\n        const dataKey = this.constructor.DATA_KEY\n        let context = $(event.currentTarget).data(dataKey)\n\n        if (!context) {\n          context = new this.constructor(\n            event.currentTarget,\n            this._getDelegateConfig()\n          )\n          $(event.currentTarget).data(dataKey, context)\n        }\n\n        context._activeTrigger.click = !context._activeTrigger.click\n\n        if (context._isWithActiveTrigger()) {\n          context._enter(null, context)\n        } else {\n          context._leave(null, context)\n        }\n\n      } else {\n\n        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {\n          this._leave(null, this)\n          return\n        }\n\n        this._enter(null, this)\n      }\n    }\n\n    dispose() {\n      clearTimeout(this._timeout)\n\n      this.cleanupTether()\n\n      $.removeData(this.element, this.constructor.DATA_KEY)\n\n      $(this.element).off(this.constructor.EVENT_KEY)\n      $(this.element).closest('.modal').off('hide.bs.modal')\n\n      if (this.tip) {\n        $(this.tip).remove()\n      }\n\n      this._isEnabled     = null\n      this._timeout       = null\n      this._hoverState    = null\n      this._activeTrigger = null\n      this._tether        = null\n\n      this.element = null\n      this.config  = null\n      this.tip     = null\n    }\n\n    show() {\n      if ($(this.element).css('display') === 'none') {\n        throw new Error('Please use show on visible elements')\n      }\n\n      const showEvent = $.Event(this.constructor.Event.SHOW)\n      if (this.isWithContent() && this._isEnabled) {\n        if (this._isTransitioning) {\n          throw new Error('Tooltip is transitioning')\n        }\n        $(this.element).trigger(showEvent)\n\n        const isInTheDom = $.contains(\n          this.element.ownerDocument.documentElement,\n          this.element\n        )\n\n        if (showEvent.isDefaultPrevented() || !isInTheDom) {\n          return\n        }\n\n        const tip   = this.getTipElement()\n        const tipId = Util.getUID(this.constructor.NAME)\n\n        tip.setAttribute('id', tipId)\n        this.element.setAttribute('aria-describedby', tipId)\n\n        this.setContent()\n\n        if (this.config.animation) {\n          $(tip).addClass(ClassName.FADE)\n        }\n\n        const placement  = typeof this.config.placement === 'function' ?\n          this.config.placement.call(this, tip, this.element) :\n          this.config.placement\n\n        const attachment = this._getAttachment(placement)\n\n        const container = this.config.container === false ? document.body : $(this.config.container)\n\n        $(tip)\n          .data(this.constructor.DATA_KEY, this)\n          .appendTo(container)\n\n        $(this.element).trigger(this.constructor.Event.INSERTED)\n\n        this._tether = new Tether({\n          attachment,\n          element         : tip,\n          target          : this.element,\n          classes         : TetherClass,\n          classPrefix     : CLASS_PREFIX,\n          offset          : this.config.offset,\n          constraints     : this.config.constraints,\n          addTargetClasses: false\n        })\n\n        Util.reflow(tip)\n        this._tether.position()\n\n        $(tip).addClass(ClassName.SHOW)\n\n        const complete = () => {\n          const prevHoverState = this._hoverState\n          this._hoverState   = null\n          this._isTransitioning = false\n\n          $(this.element).trigger(this.constructor.Event.SHOWN)\n\n          if (prevHoverState === HoverState.OUT) {\n            this._leave(null, this)\n          }\n        }\n\n        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {\n          this._isTransitioning = true\n          $(this.tip)\n            .one(Util.TRANSITION_END, complete)\n            .emulateTransitionEnd(Tooltip._TRANSITION_DURATION)\n          return\n        }\n\n        complete()\n      }\n    }\n\n    hide(callback) {\n      const tip       = this.getTipElement()\n      const hideEvent = $.Event(this.constructor.Event.HIDE)\n      if (this._isTransitioning) {\n        throw new Error('Tooltip is transitioning')\n      }\n      const complete  = () => {\n        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {\n          tip.parentNode.removeChild(tip)\n        }\n\n        this.element.removeAttribute('aria-describedby')\n        $(this.element).trigger(this.constructor.Event.HIDDEN)\n        this._isTransitioning = false\n        this.cleanupTether()\n\n        if (callback) {\n          callback()\n        }\n      }\n\n      $(this.element).trigger(hideEvent)\n\n      if (hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      $(tip).removeClass(ClassName.SHOW)\n\n      this._activeTrigger[Trigger.CLICK] = false\n      this._activeTrigger[Trigger.FOCUS] = false\n      this._activeTrigger[Trigger.HOVER] = false\n\n      if (Util.supportsTransitionEnd() &&\n          $(this.tip).hasClass(ClassName.FADE)) {\n        this._isTransitioning = true\n        $(tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      this._hoverState = ''\n    }\n\n\n    // protected\n\n    isWithContent() {\n      return Boolean(this.getTitle())\n    }\n\n    getTipElement() {\n      return this.tip = this.tip || $(this.config.template)[0]\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n\n      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())\n\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n\n      this.cleanupTether()\n    }\n\n    setElementContent($element, content) {\n      const html = this.config.html\n      if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n        // content is a DOM node or a jQuery\n        if (html) {\n          if (!$(content).parent().is($element)) {\n            $element.empty().append(content)\n          }\n        } else {\n          $element.text($(content).text())\n        }\n      } else {\n        $element[html ? 'html' : 'text'](content)\n      }\n    }\n\n    getTitle() {\n      let title = this.element.getAttribute('data-original-title')\n\n      if (!title) {\n        title = typeof this.config.title === 'function' ?\n          this.config.title.call(this.element) :\n          this.config.title\n      }\n\n      return title\n    }\n\n    cleanupTether() {\n      if (this._tether) {\n        this._tether.destroy()\n      }\n    }\n\n\n    // private\n\n    _getAttachment(placement) {\n      return AttachmentMap[placement.toUpperCase()]\n    }\n\n    _setListeners() {\n      const triggers = this.config.trigger.split(' ')\n\n      triggers.forEach((trigger) => {\n        if (trigger === 'click') {\n          $(this.element).on(\n            this.constructor.Event.CLICK,\n            this.config.selector,\n            (event) => this.toggle(event)\n          )\n\n        } else if (trigger !== Trigger.MANUAL) {\n          const eventIn  = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSEENTER :\n            this.constructor.Event.FOCUSIN\n          const eventOut = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSELEAVE :\n            this.constructor.Event.FOCUSOUT\n\n          $(this.element)\n            .on(\n              eventIn,\n              this.config.selector,\n              (event) => this._enter(event)\n            )\n            .on(\n              eventOut,\n              this.config.selector,\n              (event) => this._leave(event)\n            )\n        }\n\n        $(this.element).closest('.modal').on(\n          'hide.bs.modal',\n          () => this.hide()\n        )\n      })\n\n      if (this.config.selector) {\n        this.config = $.extend({}, this.config, {\n          trigger  : 'manual',\n          selector : ''\n        })\n      } else {\n        this._fixTitle()\n      }\n    }\n\n    _fixTitle() {\n      const titleType = typeof this.element.getAttribute('data-original-title')\n      if (this.element.getAttribute('title') ||\n         titleType !== 'string') {\n        this.element.setAttribute(\n          'data-original-title',\n          this.element.getAttribute('title') || ''\n        )\n        this.element.setAttribute('title', '')\n      }\n    }\n\n    _enter(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER\n        ] = true\n      }\n\n      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||\n         context._hoverState === HoverState.SHOW) {\n        context._hoverState = HoverState.SHOW\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.SHOW\n\n      if (!context.config.delay || !context.config.delay.show) {\n        context.show()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.SHOW) {\n          context.show()\n        }\n      }, context.config.delay.show)\n    }\n\n    _leave(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER\n        ] = false\n      }\n\n      if (context._isWithActiveTrigger()) {\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.OUT\n\n      if (!context.config.delay || !context.config.delay.hide) {\n        context.hide()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.OUT) {\n          context.hide()\n        }\n      }, context.config.delay.hide)\n    }\n\n    _isWithActiveTrigger() {\n      for (const trigger in this._activeTrigger) {\n        if (this._activeTrigger[trigger]) {\n          return true\n        }\n      }\n\n      return false\n    }\n\n    _getConfig(config) {\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this.element).data(),\n        config\n      )\n\n      if (config.delay && typeof config.delay === 'number') {\n        config.delay = {\n          show : config.delay,\n          hide : config.delay\n        }\n      }\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getDelegateConfig() {\n      const config = {}\n\n      if (this.config) {\n        for (const key in this.config) {\n          if (this.constructor.Default[key] !== this.config[key]) {\n            config[key] = this.config[key]\n          }\n        }\n      }\n\n      return config\n    }\n\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data && /dispose|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Tooltip(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tooltip._jQueryInterface\n  $.fn[NAME].Constructor = Tooltip\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tooltip._jQueryInterface\n  }\n\n  return Tooltip\n\n})(jQuery)\n\nexport default Tooltip\n"]}
\ No newline at end of file
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global Popper */\n\nimport Util from './util'\n\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Tooltip = (($) => {\n\n  /**\n   * Check for Popper dependency\n   * Popper - https://popper.js.org\n   */\n  if (typeof Popper === 'undefined') {\n    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)')\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Constants\n   * ------------------------------------------------------------------------\n   */\n\n  const NAME                = 'tooltip'\n  const VERSION             = '4.0.0-alpha.6'\n  const DATA_KEY            = 'bs.tooltip'\n  const EVENT_KEY           = `.${DATA_KEY}`\n  const JQUERY_NO_CONFLICT  = $.fn[NAME]\n  const TRANSITION_DURATION = 150\n  const CLASS_PREFIX        = 'bs-tooltip'\n  const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\n  const DefaultType = {\n    animation           : 'boolean',\n    template            : 'string',\n    title               : '(string|element|function)',\n    trigger             : 'string',\n    delay               : '(number|object)',\n    html                : 'boolean',\n    selector            : '(string|boolean)',\n    placement           : '(string|function)',\n    offset              : '(number|string)',\n    container           : '(string|element|boolean)',\n    fallbackPlacement   : '(string|array)'\n  }\n\n  const AttachmentMap = {\n    AUTO   : 'auto',\n    TOP    : 'top',\n    RIGHT  : 'right',\n    BOTTOM : 'bottom',\n    LEFT   : 'left'\n  }\n\n  const Default = {\n    animation           : true,\n    template            : '<div class=\"tooltip\" role=\"tooltip\">'\n                        + '<div class=\"arrow\" x-arrow></div>'\n                        + '<div class=\"tooltip-inner\"></div></div>',\n    trigger             : 'hover focus',\n    title               : '',\n    delay               : 0,\n    html                : false,\n    selector            : false,\n    placement           : 'top',\n    offset              : 0,\n    container           : false,\n    fallbackPlacement   : 'flip'\n  }\n\n  const HoverState = {\n    SHOW : 'show',\n    OUT  : 'out'\n  }\n\n  const Event = {\n    HIDE       : `hide${EVENT_KEY}`,\n    HIDDEN     : `hidden${EVENT_KEY}`,\n    SHOW       : `show${EVENT_KEY}`,\n    SHOWN      : `shown${EVENT_KEY}`,\n    INSERTED   : `inserted${EVENT_KEY}`,\n    CLICK      : `click${EVENT_KEY}`,\n    FOCUSIN    : `focusin${EVENT_KEY}`,\n    FOCUSOUT   : `focusout${EVENT_KEY}`,\n    MOUSEENTER : `mouseenter${EVENT_KEY}`,\n    MOUSELEAVE : `mouseleave${EVENT_KEY}`\n  }\n\n  const ClassName = {\n    FADE : 'fade',\n    SHOW : 'show'\n  }\n\n  const Selector = {\n    TOOLTIP       : '.tooltip',\n    TOOLTIP_INNER : '.tooltip-inner'\n  }\n\n  const Trigger = {\n    HOVER  : 'hover',\n    FOCUS  : 'focus',\n    CLICK  : 'click',\n    MANUAL : 'manual'\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Class Definition\n   * ------------------------------------------------------------------------\n   */\n\n  class Tooltip {\n\n    constructor(element, config) {\n\n      // private\n      this._isEnabled     = true\n      this._timeout       = 0\n      this._hoverState    = ''\n      this._activeTrigger = {}\n      this._popper        = null\n\n      // protected\n      this.element = element\n      this.config  = this._getConfig(config)\n      this.tip     = null\n\n      this._setListeners()\n\n    }\n\n\n    // getters\n\n    static get VERSION() {\n      return VERSION\n    }\n\n    static get Default() {\n      return Default\n    }\n\n    static get NAME() {\n      return NAME\n    }\n\n    static get DATA_KEY() {\n      return DATA_KEY\n    }\n\n    static get Event() {\n      return Event\n    }\n\n    static get EVENT_KEY() {\n      return EVENT_KEY\n    }\n\n    static get DefaultType() {\n      return DefaultType\n    }\n\n\n    // public\n\n    enable() {\n      this._isEnabled = true\n    }\n\n    disable() {\n      this._isEnabled = false\n    }\n\n    toggleEnabled() {\n      this._isEnabled = !this._isEnabled\n    }\n\n    toggle(event) {\n      if (event) {\n        const dataKey = this.constructor.DATA_KEY\n        let context = $(event.currentTarget).data(dataKey)\n\n        if (!context) {\n          context = new this.constructor(\n            event.currentTarget,\n            this._getDelegateConfig()\n          )\n          $(event.currentTarget).data(dataKey, context)\n        }\n\n        context._activeTrigger.click = !context._activeTrigger.click\n\n        if (context._isWithActiveTrigger()) {\n          context._enter(null, context)\n        } else {\n          context._leave(null, context)\n        }\n\n      } else {\n\n        if ($(this.getTipElement()).hasClass(ClassName.SHOW)) {\n          this._leave(null, this)\n          return\n        }\n\n        this._enter(null, this)\n      }\n    }\n\n    dispose() {\n      clearTimeout(this._timeout)\n\n      $.removeData(this.element, this.constructor.DATA_KEY)\n\n      $(this.element).off(this.constructor.EVENT_KEY)\n      $(this.element).closest('.modal').off('hide.bs.modal')\n\n      if (this.tip) {\n        $(this.tip).remove()\n      }\n\n      this._isEnabled     = null\n      this._timeout       = null\n      this._hoverState    = null\n      this._activeTrigger = null\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n      this._popper        = null\n\n      this.element = null\n      this.config  = null\n      this.tip     = null\n    }\n\n    show() {\n      if ($(this.element).css('display') === 'none') {\n        throw new Error('Please use show on visible elements')\n      }\n\n      const showEvent = $.Event(this.constructor.Event.SHOW)\n      if (this.isWithContent() && this._isEnabled) {\n        $(this.element).trigger(showEvent)\n\n        const isInTheDom = $.contains(\n          this.element.ownerDocument.documentElement,\n          this.element\n        )\n\n        if (showEvent.isDefaultPrevented() || !isInTheDom) {\n          return\n        }\n\n        const tip   = this.getTipElement()\n        const tipId = Util.getUID(this.constructor.NAME)\n\n        tip.setAttribute('id', tipId)\n        this.element.setAttribute('aria-describedby', tipId)\n\n        this.setContent()\n\n        if (this.config.animation) {\n          $(tip).addClass(ClassName.FADE)\n        }\n\n        const placement  = typeof this.config.placement === 'function' ?\n          this.config.placement.call(this, tip, this.element) :\n          this.config.placement\n\n        const attachment = this._getAttachment(placement)\n        this.addAttachmentClass(attachment)\n\n        const container = this.config.container === false ? document.body : $(this.config.container)\n\n        $(tip).data(this.constructor.DATA_KEY, this)\n\n        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n          $(tip).appendTo(container)\n        }\n\n        $(this.element).trigger(this.constructor.Event.INSERTED)\n\n        this._popper = new Popper(this.element, tip, {\n          placement : attachment,\n          modifiers : {\n            offset : {\n              offset : this.config.offset\n            },\n            flip : {\n              behavior : this.config.fallbackPlacement\n            }\n          },\n          onCreate : (data) => {\n            if (data.originalPlacement !== data.placement) {\n              this._handlePopperPlacementChange(data)\n            }\n          },\n          onUpdate : (data) => {\n            this._handlePopperPlacementChange(data)\n          }\n        })\n\n        $(tip).addClass(ClassName.SHOW)\n\n        // if this is a touch-enabled device we add extra\n        // empty mouseover listeners to the body's immediate children;\n        // only needed because of broken event delegation on iOS\n        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n        if ('ontouchstart' in document.documentElement) {\n          $('body').children().on('mouseover', null, $.noop)\n        }\n\n        const complete = () => {\n          if (this.config.animation) {\n            this._fixTransition()\n          }\n          const prevHoverState = this._hoverState\n          this._hoverState     = null\n\n          $(this.element).trigger(this.constructor.Event.SHOWN)\n\n          if (prevHoverState === HoverState.OUT) {\n            this._leave(null, this)\n          }\n        }\n\n        if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {\n          $(this.tip)\n            .one(Util.TRANSITION_END, complete)\n            .emulateTransitionEnd(Tooltip._TRANSITION_DURATION)\n        } else {\n          complete()\n        }\n      }\n    }\n\n    hide(callback) {\n      const tip       = this.getTipElement()\n      const hideEvent = $.Event(this.constructor.Event.HIDE)\n      const complete  = () => {\n        if (this._hoverState !== HoverState.SHOW && tip.parentNode) {\n          tip.parentNode.removeChild(tip)\n        }\n\n        this._cleanTipClass()\n        this.element.removeAttribute('aria-describedby')\n        $(this.element).trigger(this.constructor.Event.HIDDEN)\n        if (this._popper !== null) {\n          this._popper.destroy()\n        }\n\n        if (callback) {\n          callback()\n        }\n      }\n\n      $(this.element).trigger(hideEvent)\n\n      if (hideEvent.isDefaultPrevented()) {\n        return\n      }\n\n      $(tip).removeClass(ClassName.SHOW)\n\n      // if this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $('body').children().off('mouseover', null, $.noop)\n      }\n\n      this._activeTrigger[Trigger.CLICK] = false\n      this._activeTrigger[Trigger.FOCUS] = false\n      this._activeTrigger[Trigger.HOVER] = false\n\n      if (Util.supportsTransitionEnd() &&\n          $(this.tip).hasClass(ClassName.FADE)) {\n\n        $(tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(TRANSITION_DURATION)\n\n      } else {\n        complete()\n      }\n\n      this._hoverState = ''\n\n    }\n\n    update() {\n      if (this._popper !== null) {\n        this._popper.scheduleUpdate()\n      }\n    }\n\n    // protected\n\n    isWithContent() {\n      return Boolean(this.getTitle())\n    }\n\n    addAttachmentClass(attachment) {\n      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n    }\n\n    getTipElement() {\n      return this.tip = this.tip || $(this.config.template)[0]\n    }\n\n    setContent() {\n      const $tip = $(this.getTipElement())\n      this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())\n      $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)\n    }\n\n    setElementContent($element, content) {\n      const html = this.config.html\n      if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n        // content is a DOM node or a jQuery\n        if (html) {\n          if (!$(content).parent().is($element)) {\n            $element.empty().append(content)\n          }\n        } else {\n          $element.text($(content).text())\n        }\n      } else {\n        $element[html ? 'html' : 'text'](content)\n      }\n    }\n\n    getTitle() {\n      let title = this.element.getAttribute('data-original-title')\n\n      if (!title) {\n        title = typeof this.config.title === 'function' ?\n          this.config.title.call(this.element) :\n          this.config.title\n      }\n\n      return title\n    }\n\n\n    // private\n\n    _getAttachment(placement) {\n      return AttachmentMap[placement.toUpperCase()]\n    }\n\n    _setListeners() {\n      const triggers = this.config.trigger.split(' ')\n\n      triggers.forEach((trigger) => {\n        if (trigger === 'click') {\n          $(this.element).on(\n            this.constructor.Event.CLICK,\n            this.config.selector,\n            (event) => this.toggle(event)\n          )\n\n        } else if (trigger !== Trigger.MANUAL) {\n          const eventIn  = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSEENTER :\n            this.constructor.Event.FOCUSIN\n          const eventOut = trigger === Trigger.HOVER ?\n            this.constructor.Event.MOUSELEAVE :\n            this.constructor.Event.FOCUSOUT\n\n          $(this.element)\n            .on(\n              eventIn,\n              this.config.selector,\n              (event) => this._enter(event)\n            )\n            .on(\n              eventOut,\n              this.config.selector,\n              (event) => this._leave(event)\n            )\n        }\n\n        $(this.element).closest('.modal').on(\n          'hide.bs.modal',\n          () => this.hide()\n        )\n      })\n\n      if (this.config.selector) {\n        this.config = $.extend({}, this.config, {\n          trigger  : 'manual',\n          selector : ''\n        })\n      } else {\n        this._fixTitle()\n      }\n    }\n\n    _fixTitle() {\n      const titleType = typeof this.element.getAttribute('data-original-title')\n      if (this.element.getAttribute('title') ||\n         titleType !== 'string') {\n        this.element.setAttribute(\n          'data-original-title',\n          this.element.getAttribute('title') || ''\n        )\n        this.element.setAttribute('title', '')\n      }\n    }\n\n    _enter(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusin' ? Trigger.FOCUS : Trigger.HOVER\n        ] = true\n      }\n\n      if ($(context.getTipElement()).hasClass(ClassName.SHOW) ||\n         context._hoverState === HoverState.SHOW) {\n        context._hoverState = HoverState.SHOW\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.SHOW\n\n      if (!context.config.delay || !context.config.delay.show) {\n        context.show()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.SHOW) {\n          context.show()\n        }\n      }, context.config.delay.show)\n    }\n\n    _leave(event, context) {\n      const dataKey = this.constructor.DATA_KEY\n\n      context = context || $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      if (event) {\n        context._activeTrigger[\n          event.type === 'focusout' ? Trigger.FOCUS : Trigger.HOVER\n        ] = false\n      }\n\n      if (context._isWithActiveTrigger()) {\n        return\n      }\n\n      clearTimeout(context._timeout)\n\n      context._hoverState = HoverState.OUT\n\n      if (!context.config.delay || !context.config.delay.hide) {\n        context.hide()\n        return\n      }\n\n      context._timeout = setTimeout(() => {\n        if (context._hoverState === HoverState.OUT) {\n          context.hide()\n        }\n      }, context.config.delay.hide)\n    }\n\n    _isWithActiveTrigger() {\n      for (const trigger in this._activeTrigger) {\n        if (this._activeTrigger[trigger]) {\n          return true\n        }\n      }\n\n      return false\n    }\n\n    _getConfig(config) {\n      config = $.extend(\n        {},\n        this.constructor.Default,\n        $(this.element).data(),\n        config\n      )\n\n      if (config.delay && typeof config.delay === 'number') {\n        config.delay = {\n          show : config.delay,\n          hide : config.delay\n        }\n      }\n\n      if (config.title && typeof config.title === 'number') {\n        config.title = config.title.toString()\n      }\n\n      if (config.content && typeof config.content === 'number') {\n        config.content = config.content.toString()\n      }\n\n      Util.typeCheckConfig(\n        NAME,\n        config,\n        this.constructor.DefaultType\n      )\n\n      return config\n    }\n\n    _getDelegateConfig() {\n      const config = {}\n\n      if (this.config) {\n        for (const key in this.config) {\n          if (this.constructor.Default[key] !== this.config[key]) {\n            config[key] = this.config[key]\n          }\n        }\n      }\n\n      return config\n    }\n\n    _cleanTipClass() {\n      const $tip = $(this.getTipElement())\n      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n      if (tabClass !== null && tabClass.length > 0) {\n        $tip.removeClass(tabClass.join(''))\n      }\n    }\n\n    _handlePopperPlacementChange(data) {\n      this._cleanTipClass()\n      this.addAttachmentClass(this._getAttachment(data.placement))\n    }\n\n    _fixTransition() {\n      const tip                 = this.getTipElement()\n      const initConfigAnimation = this.config.animation\n      if (tip.getAttribute('x-placement') !== null) {\n        return\n      }\n      $(tip).removeClass(ClassName.FADE)\n      this.config.animation = false\n      this.hide()\n      this.show()\n      this.config.animation = initConfigAnimation\n    }\n\n    // static\n\n    static _jQueryInterface(config) {\n      return this.each(function () {\n        let data      = $(this).data(DATA_KEY)\n        const _config = typeof config === 'object' && config\n\n        if (!data && /dispose|hide/.test(config)) {\n          return\n        }\n\n        if (!data) {\n          data = new Tooltip(this, _config)\n          $(this).data(DATA_KEY, data)\n        }\n\n        if (typeof config === 'string') {\n          if (data[config] === undefined) {\n            throw new Error(`No method named \"${config}\"`)\n          }\n          data[config]()\n        }\n      })\n    }\n\n  }\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * jQuery\n   * ------------------------------------------------------------------------\n   */\n\n  $.fn[NAME]             = Tooltip._jQueryInterface\n  $.fn[NAME].Constructor = Tooltip\n  $.fn[NAME].noConflict  = function () {\n    $.fn[NAME] = JQUERY_NO_CONFLICT\n    return Tooltip._jQueryInterface\n  }\n\n  return Tooltip\n\n})(jQuery)\n\nexport default Tooltip\n"]}
\ No newline at end of file
diff --git a/js/dist/util.js b/js/dist/util.js
index d53ea9220..58d5dd9e6 100644
--- a/js/dist/util.js
+++ b/js/dist/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -111,13 +111,16 @@ var Util = function ($) {
     },
     getSelectorFromElement: function getSelectorFromElement(element) {
       var selector = element.getAttribute('data-target');
-
-      if (!selector) {
+      if (!selector || selector === '#') {
         selector = element.getAttribute('href') || '';
-        selector = /^#[a-z]/i.test(selector) ? selector : null;
       }
 
-      return selector;
+      try {
+        var $selector = $(selector);
+        return $selector.length > 0 ? selector : null;
+      } catch (error) {
+        return null;
+      }
     },
     reflow: function reflow(element) {
       return element.offsetHeight;
@@ -147,4 +150,4 @@ var Util = function ($) {
 
   return Util;
 }(jQuery);
-//# sourceMappingURL=util.js.map
+//# sourceMappingURL=util.js.map
\ No newline at end of file
diff --git a/js/dist/util.js.map b/js/dist/util.js.map
index 85f90e8ea..011bc69b8 100644
--- a/js/dist/util.js.map
+++ b/js/dist/util.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/util.js"],"names":["Util","$","transition","MAX_UID","TransitionEndEvent","WebkitTransition","MozTransition","OTransition","toType","obj","toString","call","match","toLowerCase","isElement","nodeType","getSpecialTransitionEndEvent","bindType","end","delegateType","handle","event","target","is","handleObj","handler","apply","arguments","undefined","transitionEndTest","window","QUnit","el","document","createElement","name","style","transitionEndEmulator","duration","called","one","TRANSITION_END","setTimeout","triggerTransitionEnd","setTransitionEndSupport","fn","emulateTransitionEnd","supportsTransitionEnd","special","getUID","prefix","Math","random","getElementById","getSelectorFromElement","element","selector","getAttribute","test","reflow","offsetHeight","trigger","Boolean","typeCheckConfig","componentName","config","configTypes","property","hasOwnProperty","expectedTypes","value","valueType","RegExp","Error","toUpperCase","jQuery"],"mappings":"AAAA;;;;;;;AAOA,IAAMA,OAAQ,UAACC,CAAD,EAAO;;AAGnB;;;;;;AAMA,MAAIC,aAAa,KAAjB;;AAEA,MAAMC,UAAU,OAAhB;;AAEA,MAAMC,qBAAqB;AACzBC,sBAAmB,qBADM;AAEzBC,mBAAmB,eAFM;AAGzBC,iBAAmB,+BAHM;AAIzBL,gBAAmB;AAJM,GAA3B;;AAOA;AACA,WAASM,MAAT,CAAgBC,GAAhB,EAAqB;AACnB,WAAO,GAAGC,QAAH,CAAYC,IAAZ,CAAiBF,GAAjB,EAAsBG,KAAtB,CAA4B,eAA5B,EAA6C,CAA7C,EAAgDC,WAAhD,EAAP;AACD;;AAED,WAASC,SAAT,CAAmBL,GAAnB,EAAwB;AACtB,WAAO,CAACA,IAAI,CAAJ,KAAUA,GAAX,EAAgBM,QAAvB;AACD;;AAED,WAASC,4BAAT,GAAwC;AACtC,WAAO;AACLC,gBAAUf,WAAWgB,GADhB;AAELC,oBAAcjB,WAAWgB,GAFpB;AAGLE,YAHK,kBAGEC,KAHF,EAGS;AACZ,YAAIpB,EAAEoB,MAAMC,MAAR,EAAgBC,EAAhB,CAAmB,IAAnB,CAAJ,EAA8B;AAC5B,iBAAOF,MAAMG,SAAN,CAAgBC,OAAhB,CAAwBC,KAAxB,CAA8B,IAA9B,EAAoCC,SAApC,CAAP,CAD4B,CAC0B;AACvD;AACD,eAAOC,SAAP;AACD;AARI,KAAP;AAUD;;AAED,WAASC,iBAAT,GAA6B;AAC3B,QAAIC,OAAOC,KAAX,EAAkB;AAChB,aAAO,KAAP;AACD;;AAED,QAAMC,KAAKC,SAASC,aAAT,CAAuB,WAAvB,CAAX;;AAEA,SAAK,IAAMC,IAAX,IAAmB/B,kBAAnB,EAAuC;AACrC,UAAI4B,GAAGI,KAAH,CAASD,IAAT,MAAmBP,SAAvB,EAAkC;AAChC,eAAO;AACLV,eAAKd,mBAAmB+B,IAAnB;AADA,SAAP;AAGD;AACF;;AAED,WAAO,KAAP;AACD;;AAED,WAASE,qBAAT,CAA+BC,QAA/B,EAAyC;AAAA;;AACvC,QAAIC,SAAS,KAAb;;AAEAtC,MAAE,IAAF,EAAQuC,GAAR,CAAYxC,KAAKyC,cAAjB,EAAiC,YAAM;AACrCF,eAAS,IAAT;AACD,KAFD;;AAIAG,eAAW,YAAM;AACf,UAAI,CAACH,MAAL,EAAa;AACXvC,aAAK2C,oBAAL;AACD;AACF,KAJD,EAIGL,QAJH;;AAMA,WAAO,IAAP;AACD;;AAED,WAASM,uBAAT,GAAmC;AACjC1C,iBAAa2B,mBAAb;;AAEA5B,MAAE4C,EAAF,CAAKC,oBAAL,GAA4BT,qBAA5B;;AAEA,QAAIrC,KAAK+C,qBAAL,EAAJ,EAAkC;AAChC9C,QAAEoB,KAAF,CAAQ2B,OAAR,CAAgBhD,KAAKyC,cAArB,IAAuCzB,8BAAvC;AACD;AACF;;AAGD;;;;;;AAMA,MAAMhB,OAAO;;AAEXyC,oBAAgB,iBAFL;;AAIXQ,UAJW,kBAIJC,MAJI,EAII;AACb,SAAG;AACD;AACAA,kBAAU,CAAC,EAAEC,KAAKC,MAAL,KAAgBjD,OAAlB,CAAX,CAFC,CAEqC;AACvC,OAHD,QAGS8B,SAASoB,cAAT,CAAwBH,MAAxB,CAHT;AAIA,aAAOA,MAAP;AACD,KAVU;AAYXI,0BAZW,kCAYYC,OAZZ,EAYqB;AAC9B,UAAIC,WAAWD,QAAQE,YAAR,CAAqB,aAArB,CAAf;;AAEA,UAAI,CAACD,QAAL,EAAe;AACbA,mBAAWD,QAAQE,YAAR,CAAqB,MAArB,KAAgC,EAA3C;AACAD,mBAAW,WAAWE,IAAX,CAAgBF,QAAhB,IAA4BA,QAA5B,GAAuC,IAAlD;AACD;;AAED,aAAOA,QAAP;AACD,KArBU;AAuBXG,UAvBW,kBAuBJJ,OAvBI,EAuBK;AACd,aAAOA,QAAQK,YAAf;AACD,KAzBU;AA2BXjB,wBA3BW,gCA2BUY,OA3BV,EA2BmB;AAC5BtD,QAAEsD,OAAF,EAAWM,OAAX,CAAmB3D,WAAWgB,GAA9B;AACD,KA7BU;AA+BX6B,yBA/BW,mCA+Ba;AACtB,aAAOe,QAAQ5D,UAAR,CAAP;AACD,KAjCU;AAmCX6D,mBAnCW,2BAmCKC,aAnCL,EAmCoBC,MAnCpB,EAmC4BC,WAnC5B,EAmCyC;AAClD,WAAK,IAAMC,QAAX,IAAuBD,WAAvB,EAAoC;AAClC,YAAIA,YAAYE,cAAZ,CAA2BD,QAA3B,CAAJ,EAA0C;AACxC,cAAME,gBAAgBH,YAAYC,QAAZ,CAAtB;AACA,cAAMG,QAAgBL,OAAOE,QAAP,CAAtB;AACA,cAAMI,YAAgBD,SAASxD,UAAUwD,KAAV,CAAT,GACA,SADA,GACY9D,OAAO8D,KAAP,CADlC;;AAGA,cAAI,CAAC,IAAIE,MAAJ,CAAWH,aAAX,EAA0BX,IAA1B,CAA+Ba,SAA/B,CAAL,EAAgD;AAC9C,kBAAM,IAAIE,KAAJ,CACDT,cAAcU,WAAd,EAAH,wBACWP,QADX,yBACuCI,SADvC,oCAEsBF,aAFtB,QADI,CAAN;AAID;AACF;AACF;AACF;AAnDU,GAAb;;AAsDAzB;;AAEA,SAAO5C,IAAP;AAED,CAvJY,CAuJV2E,MAvJU,CAAb","file":"util.js","sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.5): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Private TransitionEnd Helpers\n   * ------------------------------------------------------------------------\n   */\n\n  let transition = false\n\n  const MAX_UID = 1000000\n\n  const TransitionEndEvent = {\n    WebkitTransition : 'webkitTransitionEnd',\n    MozTransition    : 'transitionend',\n    OTransition      : 'oTransitionEnd otransitionend',\n    transition       : 'transitionend'\n  }\n\n  // shoutout AngusCroll (https://goo.gl/pxwQGp)\n  function toType(obj) {\n    return {}.toString.call(obj).match(/\\s([a-zA-Z]+)/)[1].toLowerCase()\n  }\n\n  function isElement(obj) {\n    return (obj[0] || obj).nodeType\n  }\n\n  function getSpecialTransitionEndEvent() {\n    return {\n      bindType: transition.end,\n      delegateType: transition.end,\n      handle(event) {\n        if ($(event.target).is(this)) {\n          return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n        }\n        return undefined\n      }\n    }\n  }\n\n  function transitionEndTest() {\n    if (window.QUnit) {\n      return false\n    }\n\n    const el = document.createElement('bootstrap')\n\n    for (const name in TransitionEndEvent) {\n      if (el.style[name] !== undefined) {\n        return {\n          end: TransitionEndEvent[name]\n        }\n      }\n    }\n\n    return false\n  }\n\n  function transitionEndEmulator(duration) {\n    let called = false\n\n    $(this).one(Util.TRANSITION_END, () => {\n      called = true\n    })\n\n    setTimeout(() => {\n      if (!called) {\n        Util.triggerTransitionEnd(this)\n      }\n    }, duration)\n\n    return this\n  }\n\n  function setTransitionEndSupport() {\n    transition = transitionEndTest()\n\n    $.fn.emulateTransitionEnd = transitionEndEmulator\n\n    if (Util.supportsTransitionEnd()) {\n      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n    }\n  }\n\n\n  /**\n   * --------------------------------------------------------------------------\n   * Public Util Api\n   * --------------------------------------------------------------------------\n   */\n\n  const Util = {\n\n    TRANSITION_END: 'bsTransitionEnd',\n\n    getUID(prefix) {\n      do {\n        // eslint-disable-next-line no-bitwise\n        prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n      } while (document.getElementById(prefix))\n      return prefix\n    },\n\n    getSelectorFromElement(element) {\n      let selector = element.getAttribute('data-target')\n\n      if (!selector) {\n        selector = element.getAttribute('href') || ''\n        selector = /^#[a-z]/i.test(selector) ? selector : null\n      }\n\n      return selector\n    },\n\n    reflow(element) {\n      return element.offsetHeight\n    },\n\n    triggerTransitionEnd(element) {\n      $(element).trigger(transition.end)\n    },\n\n    supportsTransitionEnd() {\n      return Boolean(transition)\n    },\n\n    typeCheckConfig(componentName, config, configTypes) {\n      for (const property in configTypes) {\n        if (configTypes.hasOwnProperty(property)) {\n          const expectedTypes = configTypes[property]\n          const value         = config[property]\n          const valueType     = value && isElement(value) ?\n                                'element' : toType(value)\n\n          if (!new RegExp(expectedTypes).test(valueType)) {\n            throw new Error(\n              `${componentName.toUpperCase()}: ` +\n              `Option \"${property}\" provided type \"${valueType}\" ` +\n              `but expected type \"${expectedTypes}\".`)\n          }\n        }\n      }\n    }\n  }\n\n  setTransitionEndSupport()\n\n  return Util\n\n})(jQuery)\n\nexport default Util\n"]}
\ No newline at end of file
+{"version":3,"sources":["../src/util.js"],"names":["Util","$","transition","MAX_UID","TransitionEndEvent","WebkitTransition","MozTransition","OTransition","toType","obj","toString","call","match","toLowerCase","isElement","nodeType","getSpecialTransitionEndEvent","bindType","end","delegateType","handle","event","target","is","handleObj","handler","apply","arguments","undefined","transitionEndTest","window","QUnit","el","document","createElement","name","style","transitionEndEmulator","duration","called","one","TRANSITION_END","setTimeout","triggerTransitionEnd","setTransitionEndSupport","fn","emulateTransitionEnd","supportsTransitionEnd","special","getUID","prefix","Math","random","getElementById","getSelectorFromElement","element","selector","getAttribute","$selector","length","error","reflow","offsetHeight","trigger","Boolean","typeCheckConfig","componentName","config","configTypes","property","hasOwnProperty","expectedTypes","value","valueType","RegExp","test","Error","toUpperCase","jQuery"],"mappings":"AAAA;;;;;;;AAOA,IAAMA,OAAQ,UAACC,CAAD,EAAO;;AAGnB;;;;;;AAMA,MAAIC,aAAa,KAAjB;;AAEA,MAAMC,UAAU,OAAhB;;AAEA,MAAMC,qBAAqB;AACzBC,sBAAmB,qBADM;AAEzBC,mBAAmB,eAFM;AAGzBC,iBAAmB,+BAHM;AAIzBL,gBAAmB;AAJM,GAA3B;;AAOA;AACA,WAASM,MAAT,CAAgBC,GAAhB,EAAqB;AACnB,WAAO,GAAGC,QAAH,CAAYC,IAAZ,CAAiBF,GAAjB,EAAsBG,KAAtB,CAA4B,eAA5B,EAA6C,CAA7C,EAAgDC,WAAhD,EAAP;AACD;;AAED,WAASC,SAAT,CAAmBL,GAAnB,EAAwB;AACtB,WAAO,CAACA,IAAI,CAAJ,KAAUA,GAAX,EAAgBM,QAAvB;AACD;;AAED,WAASC,4BAAT,GAAwC;AACtC,WAAO;AACLC,gBAAUf,WAAWgB,GADhB;AAELC,oBAAcjB,WAAWgB,GAFpB;AAGLE,YAHK,kBAGEC,KAHF,EAGS;AACZ,YAAIpB,EAAEoB,MAAMC,MAAR,EAAgBC,EAAhB,CAAmB,IAAnB,CAAJ,EAA8B;AAC5B,iBAAOF,MAAMG,SAAN,CAAgBC,OAAhB,CAAwBC,KAAxB,CAA8B,IAA9B,EAAoCC,SAApC,CAAP,CAD4B,CAC0B;AACvD;AACD,eAAOC,SAAP;AACD;AARI,KAAP;AAUD;;AAED,WAASC,iBAAT,GAA6B;AAC3B,QAAIC,OAAOC,KAAX,EAAkB;AAChB,aAAO,KAAP;AACD;;AAED,QAAMC,KAAKC,SAASC,aAAT,CAAuB,WAAvB,CAAX;;AAEA,SAAK,IAAMC,IAAX,IAAmB/B,kBAAnB,EAAuC;AACrC,UAAI4B,GAAGI,KAAH,CAASD,IAAT,MAAmBP,SAAvB,EAAkC;AAChC,eAAO;AACLV,eAAKd,mBAAmB+B,IAAnB;AADA,SAAP;AAGD;AACF;;AAED,WAAO,KAAP;AACD;;AAED,WAASE,qBAAT,CAA+BC,QAA/B,EAAyC;AAAA;;AACvC,QAAIC,SAAS,KAAb;;AAEAtC,MAAE,IAAF,EAAQuC,GAAR,CAAYxC,KAAKyC,cAAjB,EAAiC,YAAM;AACrCF,eAAS,IAAT;AACD,KAFD;;AAIAG,eAAW,YAAM;AACf,UAAI,CAACH,MAAL,EAAa;AACXvC,aAAK2C,oBAAL;AACD;AACF,KAJD,EAIGL,QAJH;;AAMA,WAAO,IAAP;AACD;;AAED,WAASM,uBAAT,GAAmC;AACjC1C,iBAAa2B,mBAAb;;AAEA5B,MAAE4C,EAAF,CAAKC,oBAAL,GAA4BT,qBAA5B;;AAEA,QAAIrC,KAAK+C,qBAAL,EAAJ,EAAkC;AAChC9C,QAAEoB,KAAF,CAAQ2B,OAAR,CAAgBhD,KAAKyC,cAArB,IAAuCzB,8BAAvC;AACD;AACF;;AAGD;;;;;;AAMA,MAAMhB,OAAO;;AAEXyC,oBAAgB,iBAFL;;AAIXQ,UAJW,kBAIJC,MAJI,EAII;AACb,SAAG;AACD;AACAA,kBAAU,CAAC,EAAEC,KAAKC,MAAL,KAAgBjD,OAAlB,CAAX,CAFC,CAEqC;AACvC,OAHD,QAGS8B,SAASoB,cAAT,CAAwBH,MAAxB,CAHT;AAIA,aAAOA,MAAP;AACD,KAVU;AAYXI,0BAZW,kCAYYC,OAZZ,EAYqB;AAC9B,UAAIC,WAAWD,QAAQE,YAAR,CAAqB,aAArB,CAAf;AACA,UAAI,CAACD,QAAD,IAAaA,aAAa,GAA9B,EAAmC;AACjCA,mBAAWD,QAAQE,YAAR,CAAqB,MAArB,KAAgC,EAA3C;AACD;;AAED,UAAI;AACF,YAAMC,YAAYzD,EAAEuD,QAAF,CAAlB;AACA,eAAOE,UAAUC,MAAV,GAAmB,CAAnB,GAAuBH,QAAvB,GAAkC,IAAzC;AACD,OAHD,CAGE,OAAOI,KAAP,EAAc;AACd,eAAO,IAAP;AACD;AACF,KAxBU;AA0BXC,UA1BW,kBA0BJN,OA1BI,EA0BK;AACd,aAAOA,QAAQO,YAAf;AACD,KA5BU;AA8BXnB,wBA9BW,gCA8BUY,OA9BV,EA8BmB;AAC5BtD,QAAEsD,OAAF,EAAWQ,OAAX,CAAmB7D,WAAWgB,GAA9B;AACD,KAhCU;AAkCX6B,yBAlCW,mCAkCa;AACtB,aAAOiB,QAAQ9D,UAAR,CAAP;AACD,KApCU;AAsCX+D,mBAtCW,2BAsCKC,aAtCL,EAsCoBC,MAtCpB,EAsC4BC,WAtC5B,EAsCyC;AAClD,WAAK,IAAMC,QAAX,IAAuBD,WAAvB,EAAoC;AAClC,YAAIA,YAAYE,cAAZ,CAA2BD,QAA3B,CAAJ,EAA0C;AACxC,cAAME,gBAAgBH,YAAYC,QAAZ,CAAtB;AACA,cAAMG,QAAgBL,OAAOE,QAAP,CAAtB;AACA,cAAMI,YAAgBD,SAAS1D,UAAU0D,KAAV,CAAT,GACA,SADA,GACYhE,OAAOgE,KAAP,CADlC;;AAGA,cAAI,CAAC,IAAIE,MAAJ,CAAWH,aAAX,EAA0BI,IAA1B,CAA+BF,SAA/B,CAAL,EAAgD;AAC9C,kBAAM,IAAIG,KAAJ,CACDV,cAAcW,WAAd,EAAH,wBACWR,QADX,yBACuCI,SADvC,oCAEsBF,aAFtB,QADI,CAAN;AAID;AACF;AACF;AACF;AAtDU,GAAb;;AAyDA3B;;AAEA,SAAO5C,IAAP;AAED,CA1JY,CA0JV8E,MA1JU,CAAb","file":"util.js","sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.0.0-alpha.6): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst Util = (($) => {\n\n\n  /**\n   * ------------------------------------------------------------------------\n   * Private TransitionEnd Helpers\n   * ------------------------------------------------------------------------\n   */\n\n  let transition = false\n\n  const MAX_UID = 1000000\n\n  const TransitionEndEvent = {\n    WebkitTransition : 'webkitTransitionEnd',\n    MozTransition    : 'transitionend',\n    OTransition      : 'oTransitionEnd otransitionend',\n    transition       : 'transitionend'\n  }\n\n  // shoutout AngusCroll (https://goo.gl/pxwQGp)\n  function toType(obj) {\n    return {}.toString.call(obj).match(/\\s([a-zA-Z]+)/)[1].toLowerCase()\n  }\n\n  function isElement(obj) {\n    return (obj[0] || obj).nodeType\n  }\n\n  function getSpecialTransitionEndEvent() {\n    return {\n      bindType: transition.end,\n      delegateType: transition.end,\n      handle(event) {\n        if ($(event.target).is(this)) {\n          return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n        }\n        return undefined\n      }\n    }\n  }\n\n  function transitionEndTest() {\n    if (window.QUnit) {\n      return false\n    }\n\n    const el = document.createElement('bootstrap')\n\n    for (const name in TransitionEndEvent) {\n      if (el.style[name] !== undefined) {\n        return {\n          end: TransitionEndEvent[name]\n        }\n      }\n    }\n\n    return false\n  }\n\n  function transitionEndEmulator(duration) {\n    let called = false\n\n    $(this).one(Util.TRANSITION_END, () => {\n      called = true\n    })\n\n    setTimeout(() => {\n      if (!called) {\n        Util.triggerTransitionEnd(this)\n      }\n    }, duration)\n\n    return this\n  }\n\n  function setTransitionEndSupport() {\n    transition = transitionEndTest()\n\n    $.fn.emulateTransitionEnd = transitionEndEmulator\n\n    if (Util.supportsTransitionEnd()) {\n      $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n    }\n  }\n\n\n  /**\n   * --------------------------------------------------------------------------\n   * Public Util Api\n   * --------------------------------------------------------------------------\n   */\n\n  const Util = {\n\n    TRANSITION_END: 'bsTransitionEnd',\n\n    getUID(prefix) {\n      do {\n        // eslint-disable-next-line no-bitwise\n        prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n      } while (document.getElementById(prefix))\n      return prefix\n    },\n\n    getSelectorFromElement(element) {\n      let selector = element.getAttribute('data-target')\n      if (!selector || selector === '#') {\n        selector = element.getAttribute('href') || ''\n      }\n\n      try {\n        const $selector = $(selector)\n        return $selector.length > 0 ? selector : null\n      } catch (error) {\n        return null\n      }\n    },\n\n    reflow(element) {\n      return element.offsetHeight\n    },\n\n    triggerTransitionEnd(element) {\n      $(element).trigger(transition.end)\n    },\n\n    supportsTransitionEnd() {\n      return Boolean(transition)\n    },\n\n    typeCheckConfig(componentName, config, configTypes) {\n      for (const property in configTypes) {\n        if (configTypes.hasOwnProperty(property)) {\n          const expectedTypes = configTypes[property]\n          const value         = config[property]\n          const valueType     = value && isElement(value) ?\n                                'element' : toType(value)\n\n          if (!new RegExp(expectedTypes).test(valueType)) {\n            throw new Error(\n              `${componentName.toUpperCase()}: ` +\n              `Option \"${property}\" provided type \"${valueType}\" ` +\n              `but expected type \"${expectedTypes}\".`)\n          }\n        }\n      }\n    }\n  }\n\n  setTransitionEndSupport()\n\n  return Util\n\n})(jQuery)\n\nexport default Util\n"]}
\ No newline at end of file
diff --git a/js/src/alert.js b/js/src/alert.js
index 884a5dec8..b30d0d3a0 100644
--- a/js/src/alert.js
+++ b/js/src/alert.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): alert.js
+ * Bootstrap (v4.0.0-alpha.6): alert.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ const Alert = (($) => {
    */
 
   const NAME                = 'alert'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.alert'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
diff --git a/js/src/button.js b/js/src/button.js
index 45e1424ff..722fd489d 100644
--- a/js/src/button.js
+++ b/js/src/button.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): button.js
+ * Bootstrap (v4.0.0-alpha.6): button.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -15,7 +15,7 @@ const Button = (($) => {
    */
 
   const NAME                = 'button'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.button'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
@@ -66,6 +66,7 @@ const Button = (($) => {
 
     toggle() {
       let triggerChangeEvent = true
+      let addAriaPressed = true
       const rootElement      = $(this._element).closest(
         Selector.DATA_TOGGLE
       )[0]
@@ -89,14 +90,23 @@ const Button = (($) => {
           }
 
           if (triggerChangeEvent) {
+            if (input.hasAttribute('disabled') ||
+              rootElement.hasAttribute('disabled') ||
+              input.classList.contains('disabled') ||
+              rootElement.classList.contains('disabled')) {
+              return
+            }
             input.checked = !$(this._element).hasClass(ClassName.ACTIVE)
             $(input).trigger('change')
           }
 
           input.focus()
+          addAriaPressed = false
         }
 
-      } else {
+      }
+
+      if (addAriaPressed) {
         this._element.setAttribute('aria-pressed',
           !$(this._element).hasClass(ClassName.ACTIVE))
       }
diff --git a/js/src/carousel.js b/js/src/carousel.js
index 9a1a668b2..5993de256 100644
--- a/js/src/carousel.js
+++ b/js/src/carousel.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): carousel.js
+ * Bootstrap (v4.0.0-alpha.6): carousel.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -17,15 +17,16 @@ const Carousel = (($) => {
    * ------------------------------------------------------------------------
    */
 
-  const NAME                = 'carousel'
-  const VERSION             = '4.0.0-alpha.5'
-  const DATA_KEY            = 'bs.carousel'
-  const EVENT_KEY           = `.${DATA_KEY}`
-  const DATA_API_KEY        = '.data-api'
-  const JQUERY_NO_CONFLICT  = $.fn[NAME]
-  const TRANSITION_DURATION = 600
-  const ARROW_LEFT_KEYCODE  = 37 // KeyboardEvent.which value for left arrow key
-  const ARROW_RIGHT_KEYCODE = 39 // KeyboardEvent.which value for right arrow key
+  const NAME                   = 'carousel'
+  const VERSION                = '4.0.0-alpha.6'
+  const DATA_KEY               = 'bs.carousel'
+  const EVENT_KEY              = `.${DATA_KEY}`
+  const DATA_API_KEY           = '.data-api'
+  const JQUERY_NO_CONFLICT     = $.fn[NAME]
+  const TRANSITION_DURATION    = 600
+  const ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key
+  const ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key
+  const TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch
 
   const Default = {
     interval : 5000,
@@ -56,6 +57,7 @@ const Carousel = (($) => {
     KEYDOWN        : `keydown${EVENT_KEY}`,
     MOUSEENTER     : `mouseenter${EVENT_KEY}`,
     MOUSELEAVE     : `mouseleave${EVENT_KEY}`,
+    TOUCHEND       : `touchend${EVENT_KEY}`,
     LOAD_DATA_API  : `load${EVENT_KEY}${DATA_API_KEY}`,
     CLICK_DATA_API : `click${EVENT_KEY}${DATA_API_KEY}`
   }
@@ -98,6 +100,8 @@ const Carousel = (($) => {
       this._isPaused          = false
       this._isSliding         = false
 
+      this.touchTimeout       = null
+
       this._config            = this._getConfig(config)
       this._element           = $(element)[0]
       this._indicatorsElement = $(this._element).find(Selector.INDICATORS)[0]
@@ -120,10 +124,9 @@ const Carousel = (($) => {
     // public
 
     next() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding')
+      if (!this._isSliding) {
+        this._slide(Direction.NEXT)
       }
-      this._slide(Direction.NEXT)
     }
 
     nextWhenVisible() {
@@ -134,10 +137,9 @@ const Carousel = (($) => {
     }
 
     prev() {
-      if (this._isSliding) {
-        throw new Error('Carousel is sliding')
+      if (!this._isSliding) {
+        this._slide(Direction.PREV)
       }
-      this._slide(Direction.PREVIOUS)
     }
 
     pause(event) {
@@ -195,7 +197,7 @@ const Carousel = (($) => {
 
       const direction = index > activeIndex ?
         Direction.NEXT :
-        Direction.PREVIOUS
+        Direction.PREV
 
       this._slide(direction, this._items[index])
     }
@@ -229,11 +231,26 @@ const Carousel = (($) => {
           .on(Event.KEYDOWN, (event) => this._keydown(event))
       }
 
-      if (this._config.pause === 'hover' &&
-        !('ontouchstart' in document.documentElement)) {
+      if (this._config.pause === 'hover') {
         $(this._element)
           .on(Event.MOUSEENTER, (event) => this.pause(event))
           .on(Event.MOUSELEAVE, (event) => this.cycle(event))
+        if ('ontouchstart' in document.documentElement) {
+          // if it's a touch-enabled device, mouseenter/leave are fired as
+          // part of the mouse compatibility events on first tap - the carousel
+          // would stop cycling until user tapped out of it;
+          // here, we listen for touchend, explicitly pause the carousel
+          // (as if it's the second time we tap on it, mouseenter compat event
+          // is NOT fired) and after a timeout (to allow for mouse compatibility
+          // events to fire) we explicitly restart cycling
+          $(this._element).on(Event.TOUCHEND, () => {
+            this.pause()
+            if (this.touchTimeout) {
+              clearTimeout(this.touchTimeout)
+            }
+            this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)
+          })
+        }
       }
     }
 
@@ -263,7 +280,7 @@ const Carousel = (($) => {
 
     _getItemByDirection(direction, activeElement) {
       const isNextDirection = direction === Direction.NEXT
-      const isPrevDirection = direction === Direction.PREVIOUS
+      const isPrevDirection = direction === Direction.PREV
       const activeIndex     = this._getItemIndex(activeElement)
       const lastItemIndex   = this._items.length - 1
       const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||
@@ -273,7 +290,7 @@ const Carousel = (($) => {
         return activeElement
       }
 
-      const delta     = direction === Direction.PREVIOUS ? -1 : 1
+      const delta     = direction === Direction.PREV ? -1 : 1
       const itemIndex = (activeIndex + delta) % this._items.length
 
       return itemIndex === -1 ?
@@ -282,9 +299,13 @@ const Carousel = (($) => {
 
 
     _triggerSlideEvent(relatedTarget, eventDirectionName) {
+      const targetIndex = this._getItemIndex(relatedTarget)
+      const fromIndex = this._getItemIndex($(this._element).find(Selector.ACTIVE_ITEM)[0])
       const slideEvent = $.Event(Event.SLIDE, {
         relatedTarget,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: fromIndex,
+        to: targetIndex
       })
 
       $(this._element).trigger(slideEvent)
@@ -310,9 +331,10 @@ const Carousel = (($) => {
 
     _slide(direction, element) {
       const activeElement = $(this._element).find(Selector.ACTIVE_ITEM)[0]
+      const activeElementIndex = this._getItemIndex(activeElement)
       const nextElement   = element || activeElement &&
         this._getItemByDirection(direction, activeElement)
-
+      const nextElementIndex = this._getItemIndex(nextElement)
       const isCycling = Boolean(this._interval)
 
       let directionalClassName
@@ -354,7 +376,9 @@ const Carousel = (($) => {
 
       const slidEvent = $.Event(Event.SLID, {
         relatedTarget: nextElement,
-        direction: eventDirectionName
+        direction: eventDirectionName,
+        from: activeElementIndex,
+        to: nextElementIndex
       })
 
       if (Util.supportsTransitionEnd() &&
diff --git a/js/src/collapse.js b/js/src/collapse.js
index ad8815993..bf1c738f5 100644
--- a/js/src/collapse.js
+++ b/js/src/collapse.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): collapse.js
+ * Bootstrap (v4.0.0-alpha.6): collapse.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ const Collapse = (($) => {
    */
 
   const NAME                = 'collapse'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.collapse'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
@@ -56,7 +56,7 @@ const Collapse = (($) => {
   }
 
   const Selector = {
-    ACTIVES     : '.card > .show, .card > .collapsing',
+    ACTIVES     : '.show, .collapsing',
     DATA_TOGGLE : '[data-toggle="collapse"]'
   }
 
@@ -112,11 +112,8 @@ const Collapse = (($) => {
     }
 
     show() {
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning')
-      }
-
-      if ($(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning ||
+        $(this._element).hasClass(ClassName.SHOW)) {
         return
       }
 
@@ -124,7 +121,7 @@ const Collapse = (($) => {
       let activesData
 
       if (this._parent) {
-        actives = $.makeArray($(this._parent).find(Selector.ACTIVES))
+        actives = $.makeArray($(this._parent).children().children(Selector.ACTIVES))
         if (!actives.length) {
           actives = null
         }
@@ -157,7 +154,6 @@ const Collapse = (($) => {
         .addClass(ClassName.COLLAPSING)
 
       this._element.style[dimension] = 0
-      this._element.setAttribute('aria-expanded', true)
 
       if (this._triggerArray.length) {
         $(this._triggerArray)
@@ -196,11 +192,8 @@ const Collapse = (($) => {
     }
 
     hide() {
-      if (this._isTransitioning) {
-        throw new Error('Collapse is transitioning')
-      }
-
-      if (!$(this._element).hasClass(ClassName.SHOW)) {
+      if (this._isTransitioning ||
+        !$(this._element).hasClass(ClassName.SHOW)) {
         return
       }
 
@@ -211,10 +204,8 @@ const Collapse = (($) => {
       }
 
       const dimension       = this._getDimension()
-      const offsetDimension = dimension === Dimension.WIDTH ?
-        'offsetWidth' : 'offsetHeight'
 
-      this._element.style[dimension] = `${this._element[offsetDimension]}px`
+      this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`
 
       Util.reflow(this._element)
 
@@ -223,8 +214,6 @@ const Collapse = (($) => {
         .removeClass(ClassName.COLLAPSE)
         .removeClass(ClassName.SHOW)
 
-      this._element.setAttribute('aria-expanded', false)
-
       if (this._triggerArray.length) {
         $(this._triggerArray)
           .addClass(ClassName.COLLAPSED)
@@ -300,7 +289,6 @@ const Collapse = (($) => {
     _addAriaAndCollapsedClass(element, triggerArray) {
       if (element) {
         const isOpen = $(element).hasClass(ClassName.SHOW)
-        element.setAttribute('aria-expanded', isOpen)
 
         if (triggerArray.length) {
           $(triggerArray)
@@ -357,7 +345,9 @@ const Collapse = (($) => {
    */
 
   $(document).on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
-    event.preventDefault()
+    if (!/input|textarea/i.test(event.target.tagName)) {
+      event.preventDefault()
+    }
 
     const target = Collapse._getTargetFromElement(this)
     const data   = $(target).data(DATA_KEY)
diff --git a/js/src/dropdown.js b/js/src/dropdown.js
index 97bba1c76..acc3ed453 100644
--- a/js/src/dropdown.js
+++ b/js/src/dropdown.js
@@ -1,15 +1,24 @@
+/* global Popper */
+
 import Util from './util'
 
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): dropdown.js
+ * Bootstrap (v4.0.0-alpha.6): dropdown.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
 
 const Dropdown = (($) => {
 
+  /**
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
+   */
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap dropdown require Popper.js (https://popper.js.org)')
+  }
 
   /**
    * ------------------------------------------------------------------------
@@ -18,15 +27,18 @@ const Dropdown = (($) => {
    */
 
   const NAME                     = 'dropdown'
-  const VERSION                  = '4.0.0-alpha.5'
+  const VERSION                  = '4.0.0-alpha.6'
   const DATA_KEY                 = 'bs.dropdown'
   const EVENT_KEY                = `.${DATA_KEY}`
   const DATA_API_KEY             = '.data-api'
   const JQUERY_NO_CONFLICT       = $.fn[NAME]
   const ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key
+  const SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key
+  const TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key
   const ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key
   const ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key
   const RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)
+  const REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)
 
   const Event = {
     HIDE             : `hide${EVENT_KEY}`,
@@ -35,24 +47,43 @@ const Dropdown = (($) => {
     SHOWN            : `shown${EVENT_KEY}`,
     CLICK            : `click${EVENT_KEY}`,
     CLICK_DATA_API   : `click${EVENT_KEY}${DATA_API_KEY}`,
-    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`
+    KEYDOWN_DATA_API : `keydown${EVENT_KEY}${DATA_API_KEY}`,
+    KEYUP_DATA_API   : `keyup${EVENT_KEY}${DATA_API_KEY}`
   }
 
   const ClassName = {
-    BACKDROP : 'dropdown-backdrop',
-    DISABLED : 'disabled',
-    SHOW     : 'show'
+    DISABLED  : 'disabled',
+    SHOW      : 'show',
+    DROPUP    : 'dropup',
+    MENURIGHT : 'dropdown-menu-right',
+    MENULEFT  : 'dropdown-menu-left'
   }
 
   const Selector = {
-    BACKDROP      : '.dropdown-backdrop',
     DATA_TOGGLE   : '[data-toggle="dropdown"]',
     FORM_CHILD    : '.dropdown form',
-    ROLE_MENU     : '[role="menu"]',
-    ROLE_LISTBOX  : '[role="listbox"]',
+    MENU          : '.dropdown-menu',
     NAVBAR_NAV    : '.navbar-nav',
-    VISIBLE_ITEMS : '[role="menu"] li:not(.disabled) a, '
-                  + '[role="listbox"] li:not(.disabled) a'
+    VISIBLE_ITEMS : '.dropdown-menu .dropdown-item:not(.disabled)'
+  }
+
+  const AttachmentMap = {
+    TOP       : 'top-start',
+    TOPEND    : 'top-end',
+    BOTTOM    : 'bottom-start',
+    BOTTOMEND : 'bottom-end'
+  }
+
+  const Default = {
+    placement   : AttachmentMap.BOTTOM,
+    offset      : 0,
+    flip        : true
+  }
+
+  const DefaultType = {
+    placement   : 'string',
+    offset      : '(number|string)',
+    flip        : 'boolean'
   }
 
 
@@ -64,8 +95,11 @@ const Dropdown = (($) => {
 
   class Dropdown {
 
-    constructor(element) {
+    constructor(element, config) {
       this._element = element
+      this._popper  = null
+      this._config = this._getConfig(config)
+      this._menu = this._getMenuElement()
 
       this._addEventListeners()
     }
@@ -77,75 +111,163 @@ const Dropdown = (($) => {
       return VERSION
     }
 
+    static get Default() {
+      return Default
+    }
+
+    static get DefaultType() {
+      return DefaultType
+    }
 
     // public
 
     toggle() {
-      if (this.disabled || $(this).hasClass(ClassName.DISABLED)) {
-        return false
+      if (this._element.disabled || $(this._element).hasClass(ClassName.DISABLED)) {
+        return
       }
 
-      const parent   = Dropdown._getParentFromElement(this)
-      const isActive = $(parent).hasClass(ClassName.SHOW)
+      const parent   = Dropdown._getParentFromElement(this._element)
+      const isActive = $(this._menu).hasClass(ClassName.SHOW)
 
       Dropdown._clearMenus()
 
       if (isActive) {
-        return false
-      }
-
-      if ('ontouchstart' in document.documentElement &&
-         !$(parent).closest(Selector.NAVBAR_NAV).length) {
-
-        // if mobile we use a backdrop because click events don't delegate
-        const dropdown     = document.createElement('div')
-        dropdown.className = ClassName.BACKDROP
-        $(dropdown).insertBefore(this)
-        $(dropdown).on('click', Dropdown._clearMenus)
+        return
       }
 
       const relatedTarget = {
-        relatedTarget : this
+        relatedTarget : this._element
       }
-      const showEvent     = $.Event(Event.SHOW, relatedTarget)
+      const showEvent = $.Event(Event.SHOW, relatedTarget)
 
       $(parent).trigger(showEvent)
 
       if (showEvent.isDefaultPrevented()) {
-        return false
+        return
       }
 
-      this.focus()
-      this.setAttribute('aria-expanded', true)
+      let element = this._element
+      // for dropup with alignment we use the parent as popper container
+      if ($(parent).hasClass(ClassName.DROPUP)) {
+        if ($(this._menu).hasClass(ClassName.MENULEFT) || $(this._menu).hasClass(ClassName.MENURIGHT)) {
+          element = parent
+        }
+      }
+      this._popper = new Popper(element, this._menu, {
+        placement : this._getPlacement(),
+        modifiers : {
+          offset : {
+            offset : this._config.offset
+          },
+          flip : {
+            enabled : this._config.flip
+          }
+        }
+      })
 
-      $(parent).toggleClass(ClassName.SHOW)
-      $(parent).trigger($.Event(Event.SHOWN, relatedTarget))
+      // if this is a touch-enabled device we add extra
+      // empty mouseover listeners to the body's immediate children;
+      // only needed because of broken event delegation on iOS
+      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+      if ('ontouchstart' in document.documentElement &&
+         !$(parent).closest(Selector.NAVBAR_NAV).length) {
+        $('body').children().on('mouseover', null, $.noop)
+      }
 
-      return false
+      this._element.focus()
+      this._element.setAttribute('aria-expanded', true)
+
+      $(this._menu).toggleClass(ClassName.SHOW)
+      $(parent)
+        .toggleClass(ClassName.SHOW)
+        .trigger($.Event(Event.SHOWN, relatedTarget))
     }
 
     dispose() {
       $.removeData(this._element, DATA_KEY)
       $(this._element).off(EVENT_KEY)
       this._element = null
+      this._menu = null
+      if (this._popper !== null) {
+        this._popper.destroy()
+      }
+      this._popper = null
     }
 
+    update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate()
+      }
+    }
 
     // private
 
     _addEventListeners() {
-      $(this._element).on(Event.CLICK, this.toggle)
+      $(this._element).on(Event.CLICK, (event) => {
+        event.preventDefault()
+        event.stopPropagation()
+        this.toggle()
+      })
+    }
+
+    _getConfig(config) {
+      const elementData = $(this._element).data()
+      if (elementData.placement !== undefined) {
+        elementData.placement = AttachmentMap[elementData.placement.toUpperCase()]
+      }
+
+      config = $.extend(
+        {},
+        this.constructor.Default,
+        $(this._element).data(),
+        config
+      )
+
+      Util.typeCheckConfig(
+        NAME,
+        config,
+        this.constructor.DefaultType
+      )
+
+      return config
+    }
+
+    _getMenuElement() {
+      if (!this._menu) {
+        const parent = Dropdown._getParentFromElement(this._element)
+        this._menu = $(parent).find(Selector.MENU)[0]
+      }
+      return this._menu
     }
 
+    _getPlacement() {
+      const $parentDropdown = $(this._element).parent()
+      let placement = this._config.placement
+
+      // Handle dropup
+      if ($parentDropdown.hasClass(ClassName.DROPUP) || this._config.placement === AttachmentMap.TOP) {
+        placement = AttachmentMap.TOP
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.TOPEND
+        }
+      }
+      else {
+        if ($(this._menu).hasClass(ClassName.MENURIGHT)) {
+          placement = AttachmentMap.BOTTOMEND
+        }
+      }
+      return placement
+    }
 
     // static
 
     static _jQueryInterface(config) {
       return this.each(function () {
         let data = $(this).data(DATA_KEY)
+        const _config = typeof config === 'object' ? config : null
 
         if (!data) {
-          data = new Dropdown(this)
+          data = new Dropdown(this, _config)
           $(this).data(DATA_KEY, data)
         }
 
@@ -153,36 +275,37 @@ const Dropdown = (($) => {
           if (data[config] === undefined) {
             throw new Error(`No method named "${config}"`)
           }
-          data[config].call(this)
+          data[config]()
         }
       })
     }
 
     static _clearMenus(event) {
-      if (event && event.which === RIGHT_MOUSE_BUTTON_WHICH) {
+      if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||
+        event.type === 'keyup' && event.which !== TAB_KEYCODE)) {
         return
       }
 
-      const backdrop = $(Selector.BACKDROP)[0]
-      if (backdrop) {
-        backdrop.parentNode.removeChild(backdrop)
-      }
-
       const toggles = $.makeArray($(Selector.DATA_TOGGLE))
-
       for (let i = 0; i < toggles.length; i++) {
         const parent        = Dropdown._getParentFromElement(toggles[i])
+        const context       = $(toggles[i]).data(DATA_KEY)
         const relatedTarget = {
           relatedTarget : toggles[i]
         }
 
+        if (!context) {
+          continue
+        }
+
+        const dropdownMenu = context._menu
         if (!$(parent).hasClass(ClassName.SHOW)) {
           continue
         }
 
-        if (event && event.type === 'click' &&
-           /input|textarea/i.test(event.target.tagName) &&
-           $.contains(parent, event.target)) {
+        if (event && (event.type === 'click' &&
+            /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE)
+            && $.contains(parent, event.target)) {
           continue
         }
 
@@ -192,8 +315,15 @@ const Dropdown = (($) => {
           continue
         }
 
+        // if this is a touch-enabled device we remove the extra
+        // empty mouseover listeners we added for iOS support
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().off('mouseover', null, $.noop)
+        }
+
         toggles[i].setAttribute('aria-expanded', 'false')
 
+        $(dropdownMenu).removeClass(ClassName.SHOW)
         $(parent)
           .removeClass(ClassName.SHOW)
           .trigger($.Event(Event.HIDDEN, relatedTarget))
@@ -212,7 +342,7 @@ const Dropdown = (($) => {
     }
 
     static _dataApiKeydownHandler(event) {
-      if (!/(38|40|27|32)/.test(event.which) ||
+      if (!REGEXP_KEYDOWN.test(event.which) || /button/i.test(event.target.tagName) && event.which === SPACE_KEYCODE ||
          /input|textarea/i.test(event.target.tagName)) {
         return
       }
@@ -227,8 +357,8 @@ const Dropdown = (($) => {
       const parent   = Dropdown._getParentFromElement(this)
       const isActive = $(parent).hasClass(ClassName.SHOW)
 
-      if (!isActive && event.which !== ESCAPE_KEYCODE ||
-           isActive && event.which === ESCAPE_KEYCODE) {
+      if (!isActive && (event.which !== ESCAPE_KEYCODE || event.which !== SPACE_KEYCODE) ||
+           isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {
 
         if (event.which === ESCAPE_KEYCODE) {
           const toggle = $(parent).find(Selector.DATA_TOGGLE)[0]
@@ -273,10 +403,13 @@ const Dropdown = (($) => {
 
   $(document)
     .on(Event.KEYDOWN_DATA_API, Selector.DATA_TOGGLE,  Dropdown._dataApiKeydownHandler)
-    .on(Event.KEYDOWN_DATA_API, Selector.ROLE_MENU,    Dropdown._dataApiKeydownHandler)
-    .on(Event.KEYDOWN_DATA_API, Selector.ROLE_LISTBOX, Dropdown._dataApiKeydownHandler)
-    .on(Event.CLICK_DATA_API, Dropdown._clearMenus)
-    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, Dropdown.prototype.toggle)
+    .on(Event.KEYDOWN_DATA_API, Selector.MENU, Dropdown._dataApiKeydownHandler)
+    .on(`${Event.CLICK_DATA_API} ${Event.KEYUP_DATA_API}`, Dropdown._clearMenus)
+    .on(Event.CLICK_DATA_API, Selector.DATA_TOGGLE, function (event) {
+      event.preventDefault()
+      event.stopPropagation()
+      Dropdown._jQueryInterface.call($(this), 'toggle')
+    })
     .on(Event.CLICK_DATA_API, Selector.FORM_CHILD, (e) => {
       e.stopPropagation()
     })
diff --git a/js/src/modal.js b/js/src/modal.js
index 94abd19f4..02d463945 100644
--- a/js/src/modal.js
+++ b/js/src/modal.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): modal.js
+ * Bootstrap (v4.0.0-alpha.6): modal.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ const Modal = (($) => {
    */
 
   const NAME                         = 'modal'
-  const VERSION                      = '4.0.0-alpha.5'
+  const VERSION                      = '4.0.0-alpha.6'
   const DATA_KEY                     = 'bs.modal'
   const EVENT_KEY                    = `.${DATA_KEY}`
   const DATA_API_KEY                 = '.data-api'
@@ -67,7 +67,8 @@ const Modal = (($) => {
     DIALOG             : '.modal-dialog',
     DATA_TOGGLE        : '[data-toggle="modal"]',
     DATA_DISMISS       : '[data-dismiss="modal"]',
-    FIXED_CONTENT      : '.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed'
+    FIXED_CONTENT      : '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top',
+    NAVBAR_TOGGLER     : '.navbar-toggler'
   }
 
 
@@ -87,7 +88,6 @@ const Modal = (($) => {
       this._isShown             = false
       this._isBodyOverflowing   = false
       this._ignoreBackdropClick = false
-      this._isTransitioning     = false
       this._originalBodyPadding = 0
       this._scrollbarWidth      = 0
     }
@@ -112,13 +112,13 @@ const Modal = (($) => {
 
     show(relatedTarget) {
       if (this._isTransitioning) {
-        throw new Error('Modal is transitioning')
+        return
       }
 
-      if (Util.supportsTransitionEnd() &&
-        $(this._element).hasClass(ClassName.FADE)) {
+      if (Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)) {
         this._isTransitioning = true
       }
+
       const showEvent = $.Event(Event.SHOW, {
         relatedTarget
       })
@@ -161,17 +161,18 @@ const Modal = (($) => {
         event.preventDefault()
       }
 
-      if (this._isTransitioning) {
-        throw new Error('Modal is transitioning')
+      if (this._isTransitioning || !this._isShown) {
+        return
       }
 
-      const transition = Util.supportsTransitionEnd() &&
-        $(this._element).hasClass(ClassName.FADE)
+      const transition = Util.supportsTransitionEnd() && $(this._element).hasClass(ClassName.FADE)
+
       if (transition) {
         this._isTransitioning = true
       }
 
       const hideEvent = $.Event(Event.HIDE)
+
       $(this._element).trigger(hideEvent)
 
       if (!this._isShown || hideEvent.isDefaultPrevented()) {
@@ -191,6 +192,7 @@ const Modal = (($) => {
       $(this._dialog).off(Event.MOUSEDOWN_DISMISS)
 
       if (transition) {
+
         $(this._element)
           .one(Util.TRANSITION_END, (event) => this._hideModal(event))
           .emulateTransitionEnd(TRANSITION_DURATION)
@@ -211,10 +213,12 @@ const Modal = (($) => {
       this._isShown             = null
       this._isBodyOverflowing   = null
       this._ignoreBackdropClick = null
-      this._originalBodyPadding = null
       this._scrollbarWidth      = null
     }
 
+    handleUpdate() {
+      this._adjustDialog()
+    }
 
     // private
 
@@ -285,6 +289,7 @@ const Modal = (($) => {
       if (this._isShown && this._config.keyboard) {
         $(this._element).on(Event.KEYDOWN_DISMISS, (event) => {
           if (event.which === ESCAPE_KEYCODE) {
+            event.preventDefault()
             this.hide()
           }
         })
@@ -296,7 +301,7 @@ const Modal = (($) => {
 
     _setResizeEvent() {
       if (this._isShown) {
-        $(window).on(Event.RESIZE, (event) => this._handleUpdate(event))
+        $(window).on(Event.RESIZE, (event) => this.handleUpdate(event))
       } else {
         $(window).off(Event.RESIZE)
       }
@@ -304,7 +309,7 @@ const Modal = (($) => {
 
     _hideModal() {
       this._element.style.display = 'none'
-      this._element.setAttribute('aria-hidden', 'true')
+      this._element.setAttribute('aria-hidden', true)
       this._isTransitioning = false
       this._showBackdrop(() => {
         $(document.body).removeClass(ClassName.OPEN)
@@ -401,10 +406,6 @@ const Modal = (($) => {
     // todo (fat): these should probably be refactored out of modal.js
     // ----------------------------------------------------------------------
 
-    _handleUpdate() {
-      this._adjustDialog()
-    }
-
     _adjustDialog() {
       const isModalOverflowing =
         this._element.scrollHeight > document.documentElement.clientHeight
@@ -429,28 +430,60 @@ const Modal = (($) => {
     }
 
     _setScrollbar() {
-      const bodyPadding = parseInt(
-        $(Selector.FIXED_CONTENT).css('padding-right') || 0,
-        10
-      )
+      if (this._isBodyOverflowing) {
+        // Note: DOMNode.style.paddingRight returns the actual value or '' if not set
+        //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set
+
+        // Adjust fixed content padding
+        $(Selector.FIXED_CONTENT).each((index, element) => {
+          const actualPadding = $(element)[0].style.paddingRight
+          const calculatedPadding = $(element).css('padding-right')
+          $(element).data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
+        })
 
-      this._originalBodyPadding = document.body.style.paddingRight || ''
+        // Adjust navbar-toggler margin
+        $(Selector.NAVBAR_TOGGLER).each((index, element) => {
+          const actualMargin = $(element)[0].style.marginRight
+          const calculatedMargin = $(element).css('margin-right')
+          $(element).data('margin-right', actualMargin).css('margin-right', `${parseFloat(calculatedMargin) + this._scrollbarWidth}px`)
+        })
 
-      if (this._isBodyOverflowing) {
-        document.body.style.paddingRight =
-          `${bodyPadding + this._scrollbarWidth}px`
+        // Adjust body padding
+        const actualPadding = document.body.style.paddingRight
+        const calculatedPadding = $('body').css('padding-right')
+        $('body').data('padding-right', actualPadding).css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)
       }
     }
 
     _resetScrollbar() {
-      document.body.style.paddingRight = this._originalBodyPadding
+      // Restore fixed content padding
+      $(Selector.FIXED_CONTENT).each((index, element) => {
+        const padding = $(element).data('padding-right')
+        if (typeof padding !== 'undefined') {
+          $(element).css('padding-right', padding).removeData('padding-right')
+        }
+      })
+
+      // Restore navbar-toggler margin
+      $(Selector.NAVBAR_TOGGLER).each((index, element) => {
+        const margin = $(element).data('margin-right')
+        if (typeof margin !== 'undefined') {
+          $(element).css('margin-right', margin).removeData('margin-right')
+        }
+      })
+
+      // Restore body padding
+      const padding = $('body').data('padding-right')
+      if (typeof padding !== 'undefined') {
+        $('body').css('padding-right', padding).removeData('padding-right')
+      }
     }
 
     _getScrollbarWidth() { // thx d.walsh
       const scrollDiv = document.createElement('div')
       scrollDiv.className = ClassName.SCROLLBAR_MEASURER
       document.body.appendChild(scrollDiv)
-      const scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
+      const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth
       document.body.removeChild(scrollDiv)
       return scrollbarWidth
     }
diff --git a/js/src/popover.js b/js/src/popover.js
index 33bc9e48c..a068420d6 100644
--- a/js/src/popover.js
+++ b/js/src/popover.js
@@ -3,7 +3,7 @@ import Tooltip from './tooltip'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): popover.js
+ * Bootstrap (v4.0.0-alpha.6): popover.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,16 +18,19 @@ const Popover = (($) => {
    */
 
   const NAME                = 'popover'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.popover'
   const EVENT_KEY           = `.${DATA_KEY}`
   const JQUERY_NO_CONFLICT  = $.fn[NAME]
+  const CLASS_PREFIX        = 'bs-popover'
+  const BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
 
   const Default = $.extend({}, Tooltip.Default, {
     placement : 'right',
     trigger   : 'click',
     content   : '',
     template  : '<div class="popover" role="tooltip">'
+              + '<div class="arrow" x-arrow></div>'
               + '<h3 class="popover-title"></h3>'
               + '<div class="popover-content"></div></div>'
   })
@@ -106,6 +109,10 @@ const Popover = (($) => {
       return this.getTitle() || this._getContent()
     }
 
+    addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
+    }
+
     getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0]
     }
@@ -118,8 +125,6 @@ const Popover = (($) => {
       this.setElementContent($tip.find(Selector.CONTENT), this._getContent())
 
       $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
-
-      this.cleanupTether()
     }
 
     // private
@@ -131,6 +136,14 @@ const Popover = (($) => {
               this.config.content)
     }
 
+    _cleanTipClass() {
+      const $tip = $(this.getTipElement())
+      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''))
+      }
+    }
+
 
     // static
 
diff --git a/js/src/scrollspy.js b/js/src/scrollspy.js
index 0a4708bf9..7ea9f2483 100644
--- a/js/src/scrollspy.js
+++ b/js/src/scrollspy.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): scrollspy.js
+ * Bootstrap (v4.0.0-alpha.6): scrollspy.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ const ScrollSpy = (($) => {
    */
 
   const NAME               = 'scrollspy'
-  const VERSION            = '4.0.0-alpha.5'
+  const VERSION            = '4.0.0-alpha.6'
   const DATA_KEY           = 'bs.scrollspy'
   const EVENT_KEY          = `.${DATA_KEY}`
   const DATA_API_KEY       = '.data-api'
@@ -45,18 +45,15 @@ const ScrollSpy = (($) => {
   const ClassName = {
     DROPDOWN_ITEM : 'dropdown-item',
     DROPDOWN_MENU : 'dropdown-menu',
-    NAV_LINK      : 'nav-link',
-    NAV           : 'nav',
     ACTIVE        : 'active'
   }
 
   const Selector = {
     DATA_SPY        : '[data-spy="scroll"]',
     ACTIVE          : '.active',
-    LIST_ITEM       : '.list-item',
-    LI              : 'li',
-    LI_DROPDOWN     : 'li.dropdown',
+    NAV_LIST_GROUP  : '.nav, .list-group',
     NAV_LINKS       : '.nav-link',
+    LIST_ITEMS      : '.list-group-item',
     DROPDOWN        : '.dropdown',
     DROPDOWN_ITEMS  : '.dropdown-item',
     DROPDOWN_TOGGLE : '.dropdown-toggle'
@@ -81,6 +78,7 @@ const ScrollSpy = (($) => {
       this._scrollElement = element.tagName === 'BODY' ? window : element
       this._config        = this._getConfig(config)
       this._selector      = `${this._config.target} ${Selector.NAV_LINKS},`
+                          + `${this._config.target} ${Selector.LIST_ITEMS},`
                           + `${this._config.target} ${Selector.DROPDOWN_ITEMS}`
       this._offsets       = []
       this._targets       = []
@@ -133,12 +131,15 @@ const ScrollSpy = (($) => {
             target = $(targetSelector)[0]
           }
 
-          if (target && (target.offsetWidth || target.offsetHeight)) {
-            // todo (fat): remove sketch reliance on jQuery position/offset
-            return [
-              $(target)[offsetMethod]().top + offsetBase,
-              targetSelector
-            ]
+          if (target) {
+            const targetBCR = target.getBoundingClientRect()
+            if (targetBCR.width || targetBCR.height) {
+              // todo (fat): remove sketch reliance on jQuery position/offset
+              return [
+                $(target)[offsetMethod]().top + offsetBase,
+                targetSelector
+              ]
+            }
           }
           return null
         })
@@ -186,7 +187,7 @@ const ScrollSpy = (($) => {
 
     _getScrollTop() {
       return this._scrollElement === window ?
-          this._scrollElement.scrollY : this._scrollElement.scrollTop
+          this._scrollElement.pageYOffset : this._scrollElement.scrollTop
     }
 
     _getScrollHeight() {
@@ -198,7 +199,7 @@ const ScrollSpy = (($) => {
 
     _getOffsetHeight() {
       return this._scrollElement === window ?
-          window.innerHeight : this._scrollElement.offsetHeight
+          window.innerHeight : this._scrollElement.getBoundingClientRect().height
     }
 
     _process() {
@@ -256,9 +257,11 @@ const ScrollSpy = (($) => {
         $link.closest(Selector.DROPDOWN).find(Selector.DROPDOWN_TOGGLE).addClass(ClassName.ACTIVE)
         $link.addClass(ClassName.ACTIVE)
       } else {
-        // todo (fat) this is kinda sus...
-        // recursively add actives to tested nav-links
-        $link.parents(Selector.LI).find(`> ${Selector.NAV_LINKS}`).addClass(ClassName.ACTIVE)
+        // Set triggered link as active
+        $link.addClass(ClassName.ACTIVE)
+        // Set triggered links parents as active
+        // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor
+        $link.parents(Selector.NAV_LIST_GROUP).prev(`${Selector.NAV_LINKS}, ${Selector.LIST_ITEMS}`).addClass(ClassName.ACTIVE)
       }
 
       $(this._scrollElement).trigger(Event.ACTIVATE, {
diff --git a/js/src/tab.js b/js/src/tab.js
index 2f4e453e0..c7bc520df 100644
--- a/js/src/tab.js
+++ b/js/src/tab.js
@@ -3,7 +3,7 @@ import Util from './util'
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tab.js
+ * Bootstrap (v4.0.0-alpha.6): tab.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -18,7 +18,7 @@ const Tab = (($) => {
    */
 
   const NAME                = 'tab'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.tab'
   const EVENT_KEY           = `.${DATA_KEY}`
   const DATA_API_KEY        = '.data-api'
@@ -42,14 +42,10 @@ const Tab = (($) => {
   }
 
   const Selector = {
-    A                     : 'a',
-    LI                    : 'li',
     DROPDOWN              : '.dropdown',
-    LIST                  : 'ul:not(.dropdown-menu), ol:not(.dropdown-menu)',
-    FADE_CHILD            : '> .nav-item .fade, > .fade',
+    NAV_LIST_GROUP        : '.nav, .list-group',
     ACTIVE                : '.active',
-    ACTIVE_CHILD          : '> .nav-item > .active, > .active',
-    DATA_TOGGLE           : '[data-toggle="tab"], [data-toggle="pill"]',
+    DATA_TOGGLE           : '[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',
     DROPDOWN_TOGGLE       : '.dropdown-toggle',
     DROPDOWN_ACTIVE_CHILD : '> .dropdown-menu .active'
   }
@@ -87,7 +83,7 @@ const Tab = (($) => {
 
       let target
       let previous
-      const listElement = $(this._element).closest(Selector.LIST)[0]
+      const listElement = $(this._element).closest(Selector.NAV_LIST_GROUP)[0]
       const selector    = Util.getSelectorFromElement(this._element)
 
       if (listElement) {
@@ -144,7 +140,7 @@ const Tab = (($) => {
     }
 
     dispose() {
-      $.removeClass(this._element, DATA_KEY)
+      $.removeData(this._element, DATA_KEY)
       this._element = null
     }
 
@@ -152,11 +148,10 @@ const Tab = (($) => {
     // private
 
     _activate(element, container, callback) {
-      const active          = $(container).find(Selector.ACTIVE_CHILD)[0]
+      const active          = $(container).find(Selector.ACTIVE)[0]
       const isTransitioning = callback
         && Util.supportsTransitionEnd()
-        && (active && $(active).hasClass(ClassName.FADE)
-           || Boolean($(container).find(Selector.FADE_CHILD)[0]))
+        && (active && $(active).hasClass(ClassName.FADE))
 
       const complete = () => this._transitionComplete(
         element,
diff --git a/js/src/tooltip.js b/js/src/tooltip.js
index 0c1d381b9..1d53b0470 100644
--- a/js/src/tooltip.js
+++ b/js/src/tooltip.js
@@ -1,11 +1,11 @@
-/* global Tether */
+/* global Popper */
 
 import Util from './util'
 
 
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): tooltip.js
+ * Bootstrap (v4.0.0-alpha.6): tooltip.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -13,11 +13,11 @@ import Util from './util'
 const Tooltip = (($) => {
 
   /**
-   * Check for Tether dependency
-   * Tether - http://tether.io/
+   * Check for Popper dependency
+   * Popper - https://popper.js.org
    */
-  if (typeof Tether === 'undefined') {
-    throw new Error('Bootstrap tooltips require Tether (http://tether.io/)')
+  if (typeof Popper === 'undefined') {
+    throw new Error('Bootstrap tooltips require Popper.js (https://popper.js.org)')
   }
 
 
@@ -28,47 +28,50 @@ const Tooltip = (($) => {
    */
 
   const NAME                = 'tooltip'
-  const VERSION             = '4.0.0-alpha.5'
+  const VERSION             = '4.0.0-alpha.6'
   const DATA_KEY            = 'bs.tooltip'
   const EVENT_KEY           = `.${DATA_KEY}`
   const JQUERY_NO_CONFLICT  = $.fn[NAME]
   const TRANSITION_DURATION = 150
-  const CLASS_PREFIX        = 'bs-tether'
-
-  const Default = {
-    animation   : true,
-    template    : '<div class="tooltip" role="tooltip">'
-                + '<div class="tooltip-inner"></div></div>',
-    trigger     : 'hover focus',
-    title       : '',
-    delay       : 0,
-    html        : false,
-    selector    : false,
-    placement   : 'top',
-    offset      : '0 0',
-    constraints : [],
-    container   : false
-  }
+  const CLASS_PREFIX        = 'bs-tooltip'
+  const BSCLS_PREFIX_REGEX = new RegExp(`(^|\\s)${CLASS_PREFIX}\\S+`, 'g')
 
   const DefaultType = {
-    animation   : 'boolean',
-    template    : 'string',
-    title       : '(string|element|function)',
-    trigger     : 'string',
-    delay       : '(number|object)',
-    html        : 'boolean',
-    selector    : '(string|boolean)',
-    placement   : '(string|function)',
-    offset      : 'string',
-    constraints : 'array',
-    container   : '(string|element|boolean)'
+    animation           : 'boolean',
+    template            : 'string',
+    title               : '(string|element|function)',
+    trigger             : 'string',
+    delay               : '(number|object)',
+    html                : 'boolean',
+    selector            : '(string|boolean)',
+    placement           : '(string|function)',
+    offset              : '(number|string)',
+    container           : '(string|element|boolean)',
+    fallbackPlacement   : '(string|array)'
   }
 
   const AttachmentMap = {
-    TOP    : 'bottom center',
-    RIGHT  : 'middle left',
-    BOTTOM : 'top center',
-    LEFT   : 'middle right'
+    AUTO   : 'auto',
+    TOP    : 'top',
+    RIGHT  : 'right',
+    BOTTOM : 'bottom',
+    LEFT   : 'left'
+  }
+
+  const Default = {
+    animation           : true,
+    template            : '<div class="tooltip" role="tooltip">'
+                        + '<div class="arrow" x-arrow></div>'
+                        + '<div class="tooltip-inner"></div></div>',
+    trigger             : 'hover focus',
+    title               : '',
+    delay               : 0,
+    html                : false,
+    selector            : false,
+    placement           : 'top',
+    offset              : 0,
+    container           : false,
+    fallbackPlacement   : 'flip'
   }
 
   const HoverState = {
@@ -99,11 +102,6 @@ const Tooltip = (($) => {
     TOOLTIP_INNER : '.tooltip-inner'
   }
 
-  const TetherClass = {
-    element : false,
-    enabled : false
-  }
-
   const Trigger = {
     HOVER  : 'hover',
     FOCUS  : 'focus',
@@ -123,12 +121,11 @@ const Tooltip = (($) => {
     constructor(element, config) {
 
       // private
-      this._isEnabled        = true
-      this._timeout          = 0
-      this._hoverState       = ''
-      this._activeTrigger    = {}
-      this._isTransitioning  = false
-      this._tether           = null
+      this._isEnabled     = true
+      this._timeout       = 0
+      this._hoverState    = ''
+      this._activeTrigger = {}
+      this._popper        = null
 
       // protected
       this.element = element
@@ -220,8 +217,6 @@ const Tooltip = (($) => {
     dispose() {
       clearTimeout(this._timeout)
 
-      this.cleanupTether()
-
       $.removeData(this.element, this.constructor.DATA_KEY)
 
       $(this.element).off(this.constructor.EVENT_KEY)
@@ -235,7 +230,10 @@ const Tooltip = (($) => {
       this._timeout       = null
       this._hoverState    = null
       this._activeTrigger = null
-      this._tether        = null
+      if (this._popper !== null) {
+        this._popper.destroy()
+      }
+      this._popper        = null
 
       this.element = null
       this.config  = null
@@ -249,9 +247,6 @@ const Tooltip = (($) => {
 
       const showEvent = $.Event(this.constructor.Event.SHOW)
       if (this.isWithContent() && this._isEnabled) {
-        if (this._isTransitioning) {
-          throw new Error('Tooltip is transitioning')
-        }
         $(this.element).trigger(showEvent)
 
         const isInTheDom = $.contains(
@@ -280,35 +275,54 @@ const Tooltip = (($) => {
           this.config.placement
 
         const attachment = this._getAttachment(placement)
+        this.addAttachmentClass(attachment)
 
         const container = this.config.container === false ? document.body : $(this.config.container)
 
-        $(tip)
-          .data(this.constructor.DATA_KEY, this)
-          .appendTo(container)
+        $(tip).data(this.constructor.DATA_KEY, this)
+
+        if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {
+          $(tip).appendTo(container)
+        }
 
         $(this.element).trigger(this.constructor.Event.INSERTED)
 
-        this._tether = new Tether({
-          attachment,
-          element         : tip,
-          target          : this.element,
-          classes         : TetherClass,
-          classPrefix     : CLASS_PREFIX,
-          offset          : this.config.offset,
-          constraints     : this.config.constraints,
-          addTargetClasses: false
+        this._popper = new Popper(this.element, tip, {
+          placement : attachment,
+          modifiers : {
+            offset : {
+              offset : this.config.offset
+            },
+            flip : {
+              behavior : this.config.fallbackPlacement
+            }
+          },
+          onCreate : (data) => {
+            if (data.originalPlacement !== data.placement) {
+              this._handlePopperPlacementChange(data)
+            }
+          },
+          onUpdate : (data) => {
+            this._handlePopperPlacementChange(data)
+          }
         })
 
-        Util.reflow(tip)
-        this._tether.position()
-
         $(tip).addClass(ClassName.SHOW)
 
+        // if this is a touch-enabled device we add extra
+        // empty mouseover listeners to the body's immediate children;
+        // only needed because of broken event delegation on iOS
+        // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html
+        if ('ontouchstart' in document.documentElement) {
+          $('body').children().on('mouseover', null, $.noop)
+        }
+
         const complete = () => {
+          if (this.config.animation) {
+            this._fixTransition()
+          }
           const prevHoverState = this._hoverState
-          this._hoverState   = null
-          this._isTransitioning = false
+          this._hoverState     = null
 
           $(this.element).trigger(this.constructor.Event.SHOWN)
 
@@ -318,32 +332,29 @@ const Tooltip = (($) => {
         }
 
         if (Util.supportsTransitionEnd() && $(this.tip).hasClass(ClassName.FADE)) {
-          this._isTransitioning = true
           $(this.tip)
             .one(Util.TRANSITION_END, complete)
             .emulateTransitionEnd(Tooltip._TRANSITION_DURATION)
-          return
+        } else {
+          complete()
         }
-
-        complete()
       }
     }
 
     hide(callback) {
       const tip       = this.getTipElement()
       const hideEvent = $.Event(this.constructor.Event.HIDE)
-      if (this._isTransitioning) {
-        throw new Error('Tooltip is transitioning')
-      }
       const complete  = () => {
         if (this._hoverState !== HoverState.SHOW && tip.parentNode) {
           tip.parentNode.removeChild(tip)
         }
 
+        this._cleanTipClass()
         this.element.removeAttribute('aria-describedby')
         $(this.element).trigger(this.constructor.Event.HIDDEN)
-        this._isTransitioning = false
-        this.cleanupTether()
+        if (this._popper !== null) {
+          this._popper.destroy()
+        }
 
         if (callback) {
           callback()
@@ -358,13 +369,19 @@ const Tooltip = (($) => {
 
       $(tip).removeClass(ClassName.SHOW)
 
+      // if this is a touch-enabled device we remove the extra
+      // empty mouseover listeners we added for iOS support
+      if ('ontouchstart' in document.documentElement) {
+        $('body').children().off('mouseover', null, $.noop)
+      }
+
       this._activeTrigger[Trigger.CLICK] = false
       this._activeTrigger[Trigger.FOCUS] = false
       this._activeTrigger[Trigger.HOVER] = false
 
       if (Util.supportsTransitionEnd() &&
           $(this.tip).hasClass(ClassName.FADE)) {
-        this._isTransitioning = true
+
         $(tip)
           .one(Util.TRANSITION_END, complete)
           .emulateTransitionEnd(TRANSITION_DURATION)
@@ -374,8 +391,14 @@ const Tooltip = (($) => {
       }
 
       this._hoverState = ''
+
     }
 
+    update() {
+      if (this._popper !== null) {
+        this._popper.scheduleUpdate()
+      }
+    }
 
     // protected
 
@@ -383,18 +406,18 @@ const Tooltip = (($) => {
       return Boolean(this.getTitle())
     }
 
+    addAttachmentClass(attachment) {
+      $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)
+    }
+
     getTipElement() {
       return this.tip = this.tip || $(this.config.template)[0]
     }
 
     setContent() {
       const $tip = $(this.getTipElement())
-
       this.setElementContent($tip.find(Selector.TOOLTIP_INNER), this.getTitle())
-
       $tip.removeClass(`${ClassName.FADE} ${ClassName.SHOW}`)
-
-      this.cleanupTether()
     }
 
     setElementContent($element, content) {
@@ -425,12 +448,6 @@ const Tooltip = (($) => {
       return title
     }
 
-    cleanupTether() {
-      if (this._tether) {
-        this._tether.destroy()
-      }
-    }
-
 
     // private
 
@@ -603,6 +620,14 @@ const Tooltip = (($) => {
         }
       }
 
+      if (config.title && typeof config.title === 'number') {
+        config.title = config.title.toString()
+      }
+
+      if (config.content && typeof config.content === 'number') {
+        config.content = config.content.toString()
+      }
+
       Util.typeCheckConfig(
         NAME,
         config,
@@ -626,6 +651,31 @@ const Tooltip = (($) => {
       return config
     }
 
+    _cleanTipClass() {
+      const $tip = $(this.getTipElement())
+      const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)
+      if (tabClass !== null && tabClass.length > 0) {
+        $tip.removeClass(tabClass.join(''))
+      }
+    }
+
+    _handlePopperPlacementChange(data) {
+      this._cleanTipClass()
+      this.addAttachmentClass(this._getAttachment(data.placement))
+    }
+
+    _fixTransition() {
+      const tip                 = this.getTipElement()
+      const initConfigAnimation = this.config.animation
+      if (tip.getAttribute('x-placement') !== null) {
+        return
+      }
+      $(tip).removeClass(ClassName.FADE)
+      this.config.animation = false
+      this.hide()
+      this.show()
+      this.config.animation = initConfigAnimation
+    }
 
     // static
 
diff --git a/js/src/util.js b/js/src/util.js
index 06424fbfe..3c0d02251 100644
--- a/js/src/util.js
+++ b/js/src/util.js
@@ -1,6 +1,6 @@
 /**
  * --------------------------------------------------------------------------
- * Bootstrap (v4.0.0-alpha.5): util.js
+ * Bootstrap (v4.0.0-alpha.6): util.js
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * --------------------------------------------------------------------------
  */
@@ -112,13 +112,16 @@ const Util = (($) => {
 
     getSelectorFromElement(element) {
       let selector = element.getAttribute('data-target')
-
-      if (!selector) {
+      if (!selector || selector === '#') {
         selector = element.getAttribute('href') || ''
-        selector = /^#[a-z]/i.test(selector) ? selector : null
       }
 
-      return selector
+      try {
+        const $selector = $(selector)
+        return $selector.length > 0 ? selector : null
+      } catch (error) {
+        return null
+      }
     },
 
     reflow(element) {
diff --git a/js/tests/.eslintrc.json b/js/tests/.eslintrc.json
index 7ae9cf966..a05a3a390 100644
--- a/js/tests/.eslintrc.json
+++ b/js/tests/.eslintrc.json
@@ -1,7 +1,7 @@
 {
   "env": {
-    "qunit": true,
-    "es6": false
+    "es6": false,
+    "qunit": true
   },
   "globals": {
     "Util": false
@@ -10,6 +10,7 @@
     "ecmaVersion": 5,
     "sourceType": "script"
   },
+  "extends": "../.eslintrc.json",
   "rules": {
     // Best Practices
     "consistent-return": "off",
@@ -23,12 +24,18 @@
     // Strict Mode
     "strict": "off",
 
+    // NodeJS and CommonJS
+    "global-require": "off",
+    "no-process-env": "off",
+    "no-process-exit": "off",
+
     // Stylistic Issues
     "brace-style": "off",
     "func-style": "off",
     "max-statements-per-line": "off",
     "object-curly-newline": "off",
     "object-property-newline": "off",
+    "spaced-comment": "off",
 
     // ECMAScript 6
     "no-var": "off",
diff --git a/js/tests/README.md b/js/tests/README.md
index b2d505723..72ece2d36 100644
--- a/js/tests/README.md
+++ b/js/tests/README.md
@@ -6,7 +6,7 @@ Bootstrap uses [QUnit](https://qunitjs.com/), a powerful, easy-to-use JavaScript
 * `vendor/` contains third-party testing-related code (QUnit and jQuery).
 * `visual/` contains "visual" tests which are run interactively in real browsers and require manual verification by humans.
 
-To run the unit test suite via [PhantomJS](http://phantomjs.org/), run `grunt test-js`.
+To run the unit test suite via [PhantomJS](http://phantomjs.org/), run `npm run js-test`.
 
 To run the unit test suite via a real web browser, open `index.html` in the browser.
 
@@ -16,7 +16,7 @@ To run the unit test suite via a real web browser, open `index.html` in the brow
 1. Locate and open the file dedicated to the plugin which you need to add tests to (`unit/<plugin-name>.js`).
 2. Review the [QUnit API Documentation](https://api.qunitjs.com/) and use the existing tests as references for how to structure your new tests.
 3. Write the necessary unit test(s) for the new or revised functionality.
-4. Run `grunt test-js` to see the results of your newly-added test(s).
+4. Run `npm run js-test` to see the results of your newly-added test(s).
 
 **Note:** Your new unit tests should fail before your changes are applied to the plugin, and should pass after your changes are applied to the plugin.
 
diff --git a/js/tests/index.html b/js/tests/index.html
index e4cbae42f..d17608e4a 100644
--- a/js/tests/index.html
+++ b/js/tests/index.html
@@ -2,67 +2,58 @@
 <html>
   <head>
     <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
     <title>Bootstrap Plugin Test Suite</title>
-    <meta name="viewport" content="width=device-width, initial-scale=1">
 
     <!-- jQuery -->
-    <script src="vendor/jquery.min.js"></script>
-    <script src="vendor/tether.min.js"></script>
-    <script>
-      // Disable jQuery event aliases to ensure we don't accidentally use any of them
-      (function () {
-        var eventAliases = [
-          'blur',
-          'focus',
-          'focusin',
-          'focusout',
-          'load',
-          'resize',
-          'scroll',
-          'unload',
-          'click',
-          'dblclick',
-          'mousedown',
-          'mouseup',
-          'mousemove',
-          'mouseover',
-          'mouseout',
-          'mouseenter',
-          'mouseleave',
-          'change',
-          'select',
-          'submit',
-          'keydown',
-          'keypress',
-          'keyup',
-          'error',
-          'contextmenu',
-          'hover',
-          'bind',
-          'unbind',
-          'delegate',
-          'undelegate'
-        ]
-        for (var i = 0; i < eventAliases.length; i++) {
-          var eventAlias = eventAliases[i]
-          $.fn[eventAlias] = function () {
-            throw new Error('Using the ".' + eventAlias + '()" method is not allowed, so that Bootstrap can be compatible with custom jQuery builds which exclude the "event aliases" module that defines said method. See https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md#js')
-          }
-        }
-      })()
-    </script>
+    <script src="../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../docs/assets/js/vendor/popper.min.js"></script>
 
     <!-- QUnit -->
     <link rel="stylesheet" href="vendor/qunit.css" media="screen">
     <script src="vendor/qunit.js"></script>
+
     <script>
-      // See https://github.com/axemclion/grunt-saucelabs#test-result-details-with-qunit
-      var log = []
+      // Disable jQuery event aliases to ensure we don't accidentally use any of them
+      [
+        'blur',
+        'focus',
+        'focusin',
+        'focusout',
+        'resize',
+        'scroll',
+        'click',
+        'dblclick',
+        'mousedown',
+        'mouseup',
+        'mousemove',
+        'mouseover',
+        'mouseout',
+        'mouseenter',
+        'mouseleave',
+        'change',
+        'select',
+        'submit',
+        'keydown',
+        'keypress',
+        'keyup',
+        'contextmenu'
+      ].forEach(function(eventAlias) {
+        $.fn[eventAlias] = function() {
+          throw new Error('Using the ".' + eventAlias + '()" method is not allowed, so that Bootstrap can be compatible with custom jQuery builds which exclude the "event aliases" module that defines said method. See https://github.com/twbs/bootstrap/blob/master/CONTRIBUTING.md#js')
+        }
+      })
+
       // Require assert.expect in each test
       QUnit.config.requireExpects = true
-      QUnit.done(function (testResults) {
+
+      // See https://github.com/axemclion/grunt-saucelabs#test-result-details-with-qunit
+      var log = []
+      var testName
+
+      QUnit.done(function(testResults) {
         var tests = []
-        for (var i = 0, len = log.length; i < len; i++) {
+        for (var i = 0; i < log.length; i++) {
           var details = log[i]
           tests.push({
             name: details.name,
@@ -77,9 +68,8 @@
         window.global_test_results = testResults
       })
 
-      QUnit.testStart(function (testDetails) {
-        $(window).scrollTop(0)
-        QUnit.log(function (details) {
+      QUnit.testStart(function(testDetails) {
+        QUnit.log(function(details) {
           if (!details.result) {
             details.name = testDetails.name
             log.push(details)
@@ -89,51 +79,23 @@
 
       // Cleanup
       QUnit.testDone(function () {
-        $('#qunit-fixture').empty()
         $('#modal-test, .modal-backdrop').remove()
       })
 
       // Display fixture on-screen on iOS to avoid false positives
+      // See https://github.com/twbs/bootstrap/pull/15955
       if (/iPhone|iPad|iPod/.test(navigator.userAgent)) {
         QUnit.begin(function() {
           $('#qunit-fixture').css({ top: 0, left: 0 })
         })
 
-        QUnit.done(function () {
+        QUnit.done(function() {
           $('#qunit-fixture').css({ top: '', left: '' })
         })
       }
-
-      // Disable deprecated global QUnit method aliases in preparation for QUnit v2
-      (function () {
-        var methodNames = [
-          'async',
-          'asyncTest',
-          'deepEqual',
-          'equal',
-          'expect',
-          'module',
-          'notDeepEqual',
-          'notEqual',
-          'notPropEqual',
-          'notStrictEqual',
-          'ok',
-          'propEqual',
-          'push',
-          'start',
-          'stop',
-          'strictEqual',
-          'test',
-          'throws'
-        ];
-        for (var i = 0; i < methodNames.length; i++) {
-          var methodName = methodNames[i];
-          window[methodName] = undefined;
-        }
-      })();
     </script>
 
-    <!-- es6 Plugin sources -->
+    <!-- Transpiled Plugins -->
     <script src="../../js/dist/util.js"></script>
     <script src="../../js/dist/alert.js"></script>
     <script src="../../js/dist/button.js"></script>
@@ -146,7 +108,7 @@
     <script src="../../js/dist/tooltip.js"></script>
     <script src="../../js/dist/popover.js"></script>
 
-    <!-- Unit tests -->
+    <!-- Unit Tests -->
     <script src="unit/alert.js"></script>
     <script src="unit/button.js"></script>
     <script src="unit/carousel.js"></script>
@@ -157,7 +119,6 @@
     <script src="unit/tab.js"></script>
     <script src="unit/tooltip.js"></script>
     <script src="unit/popover.js"></script>
-
   </head>
   <body>
     <div id="qunit-container">
diff --git a/js/tests/unit/button.js b/js/tests/unit/button.js
index d87b57610..489d400a6 100644
--- a/js/tests/unit/button.js
+++ b/js/tests/unit/button.js
@@ -60,6 +60,17 @@ $(function () {
     assert.strictEqual($btn.attr('aria-pressed'), 'true', 'btn aria-pressed state is true')
   })
 
+  QUnit.test('should toggle aria-pressed on buttons with container', function (assert) {
+    assert.expect(1)
+    var groupHTML = '<div class="btn-group" data-toggle="buttons">' +
+        '<button id="btn1" class="btn btn-secondary" type="button">One</button>' +
+        '<button class="btn btn-secondary" type="button">Two</button>' +
+      '</div>'
+    $('#qunit-fixture').append(groupHTML)
+    $('#btn1').bootstrapButton('toggle')
+    assert.strictEqual($('#btn1').attr('aria-pressed'), 'true')
+  })
+
   QUnit.test('should toggle aria-pressed when btn children are clicked', function (assert) {
     assert.expect(2)
     var $btn = $('<button class="btn" data-toggle="button" aria-pressed="false">redux</button>')
@@ -127,4 +138,39 @@ $(function () {
     assert.ok($btn2.find('input').prop('checked'), 'btn2 is checked')
   })
 
+  QUnit.test('should not add aria-pressed on labels for radio/checkbox inputs in a data-toggle="buttons" group', function (assert) {
+    assert.expect(2)
+    var groupHTML = '<div class="btn-group" data-toggle="buttons">'
+      + '<label class="btn btn-primary"><input type="checkbox" autocomplete="off"> Checkbox</label>'
+      + '<label class="btn btn-primary"><input type="radio" name="options" autocomplete="off"> Radio</label>'
+      + '</div>'
+    var $group = $(groupHTML).appendTo('#qunit-fixture')
+
+    var $btn1 = $group.children().eq(0)
+    var $btn2 = $group.children().eq(1)
+
+    $btn1.find('input').trigger('click')
+    assert.ok($btn1.is(':not([aria-pressed])'), 'label for nested checkbox input has not been given an aria-pressed attribute')
+
+    $btn2.find('input').trigger('click')
+    assert.ok($btn2.is(':not([aria-pressed])'), 'label for nested radio input has not been given an aria-pressed attribute')
+  })
+
+  QUnit.test('should handle disabled attribute on non-button elements', function (assert) {
+    assert.expect(2)
+    var groupHTML = '  <div class="btn-group disabled" data-toggle="buttons" aria-disabled="true" disabled>'
+      + '<label class="btn btn-danger disabled" aria-disabled="true" disabled>'
+      + '<input type="checkbox" aria-disabled="true" autocomplete="off" disabled class="disabled"/>'
+      + '</label>'
+      + '</div>'
+    var $group = $(groupHTML).appendTo('#qunit-fixture')
+
+    var $btn = $group.children().eq(0)
+    var $input = $btn.children().eq(0)
+
+    $btn.trigger('click')
+    assert.ok($btn.is(':not(.active)'), 'button did not become active')
+    assert.ok(!$input.is(':checked'), 'checkbox did not get checked')
+  })
+
 })
diff --git a/js/tests/unit/carousel.js b/js/tests/unit/carousel.js
index dbdea921a..894f78ab5 100644
--- a/js/tests/unit/carousel.js
+++ b/js/tests/unit/carousel.js
@@ -341,6 +341,49 @@ $(function () {
       .bootstrapCarousel('next')
   })
 
+  QUnit.test('should fire slid and slide events with from and to', function (assert) {
+    assert.expect(4)
+    var template = '<div id="myCarousel" class="carousel slide">'
+        + '<div class="carousel-inner">'
+        + '<div class="carousel-item active">'
+        + '<img alt="">'
+        + '<div class="carousel-caption">'
+        + '<h4>First Thumbnail label</h4>'
+        + '</div>'
+        + '</div>'
+        + '<div class="carousel-item">'
+        + '<img alt="">'
+        + '<div class="carousel-caption">'
+        + '<h4>Second Thumbnail label</h4>'
+        + '</div>'
+        + '</div>'
+        + '<div class="carousel-item">'
+        + '<img alt="">'
+        + '<div class="carousel-caption">'
+        + '<h4>Third Thumbnail label</h4>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '<a class="left carousel-control" href="#myCarousel" data-slide="prev">&lsaquo;</a>'
+        + '<a class="right carousel-control" href="#myCarousel" data-slide="next">&rsaquo;</a>'
+        + '</div>'
+
+    var done = assert.async()
+    $(template)
+      .on('slid.bs.carousel', function (e) {
+        assert.ok(e.from !== undefined, 'from present')
+        assert.ok(e.to !== undefined, 'to present')
+        $(this).off()
+        done()
+      })
+      .on('slide.bs.carousel', function (e) {
+        assert.ok(e.from !== undefined, 'from present')
+        assert.ok(e.to !== undefined, 'to present')
+        $(this).off('slide.bs.carousel')
+      })
+      .bootstrapCarousel('next')
+  })
+
   QUnit.test('should set interval from data attribute', function (assert) {
     assert.expect(4)
     var templateHTML = '<div id="myCarousel" class="carousel slide">'
@@ -611,29 +654,6 @@ $(function () {
     assert.strictEqual($template.find('.carousel-item')[0], $template.find('.active')[0], 'first item still active after left arrow press in <textarea>')
   })
 
-  QUnit.test('should only add mouseenter and mouseleave listeners when not on mobile', function (assert) {
-    assert.expect(2)
-    var isMobile     = 'ontouchstart' in document.documentElement
-    var templateHTML = '<div id="myCarousel" class="carousel" data-interval="false" data-pause="hover">'
-        + '<div class="carousel-inner">'
-        + '<div id="first" class="carousel-item active">'
-        + '<img alt="">'
-        + '</div>'
-        + '<div id="second" class="carousel-item">'
-        + '<img alt="">'
-        + '</div>'
-        + '<div id="third" class="carousel-item">'
-        + '<img alt="">'
-        + '</div>'
-        + '</div>'
-        + '</div>'
-    var $template = $(templateHTML).bootstrapCarousel()
-
-    $.each(['mouseover', 'mouseout'], function (i, type) {
-      assert.strictEqual(type in $._data($template[0], 'events'), !isMobile, 'does' + (isMobile ? ' not' : '') + ' listen for ' + type + ' events')
-    })
-  })
-
   QUnit.test('should wrap around from end to start when wrap option is true', function (assert) {
     assert.expect(3)
     var carouselHTML = '<div id="carousel-example-generic" class="carousel slide" data-wrap="true">'
diff --git a/js/tests/unit/collapse.js b/js/tests/unit/collapse.js
index 713930433..2b9d0e58f 100644
--- a/js/tests/unit/collapse.js
+++ b/js/tests/unit/collapse.js
@@ -265,17 +265,17 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
-    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" />').appendTo($groups.eq(0))
 
-    $('<div id="body1" class="show"/>').appendTo($groups.eq(0))
+    $('<div id="body1" class="show" data-parent="#accordion"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" />').appendTo($groups.eq(1))
 
-    $('<div id="body2"/>').appendTo($groups.eq(1))
+    $('<div id="body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" />').appendTo($groups.eq(2))
 
-    $('<div id="body3"/>')
+    $('<div id="body3" data-parent="#accordion"/>')
       .appendTo($groups.eq(2))
       .on('shown.bs.collapse', function () {
         assert.ok($target1.hasClass('collapsed'), 'inactive target 1 does have class "collapsed"')
@@ -299,17 +299,17 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
-    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent=".accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0))
 
-    $('<div id="body1" class="show"/>').appendTo($groups.eq(0))
+    $('<div id="body1" class="show" data-parent=".accordion"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2" data-parent=".accordion"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body2"/>').appendTo($groups.eq(1))
 
-    $('<div id="body2"/>').appendTo($groups.eq(1))
+    $('<div id="body2" data-parent=".accordion"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent=".accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3"/>').appendTo($groups.eq(2))
 
-    $('<div id="body3"/>')
+    $('<div id="body3" data-parent=".accordion"/>')
       .appendTo($groups.eq(2))
       .on('shown.bs.collapse', function () {
         assert.ok($target1.hasClass('collapsed'), 'inactive target 1 does have class "collapsed"')
@@ -322,7 +322,7 @@ $(function () {
     $target3.trigger('click')
   })
 
-  QUnit.test('should set aria-expanded="true" on target when collapse is shown', function (assert) {
+  QUnit.test('should set aria-expanded="true" on trigger/control when collapse is shown', function (assert) {
     assert.expect(1)
     var done = assert.async()
 
@@ -338,7 +338,7 @@ $(function () {
     $target.trigger('click')
   })
 
-  QUnit.test('should set aria-expanded="false" on target when collapse is hidden', function (assert) {
+  QUnit.test('should set aria-expanded="false" on trigger/control when collapse is hidden', function (assert) {
     assert.expect(1)
     var done = assert.async()
 
@@ -364,8 +364,8 @@ $(function () {
     $('<div id="test1"/>')
       .appendTo('#qunit-fixture')
       .on('shown.bs.collapse', function () {
-        assert.strictEqual($target.attr('aria-expanded'), 'true', 'aria-expanded on target is "true"')
-        assert.strictEqual($alt.attr('aria-expanded'), 'true', 'aria-expanded on alt is "true"')
+        assert.strictEqual($target.attr('aria-expanded'), 'true', 'aria-expanded on trigger/control is "true"')
+        assert.strictEqual($alt.attr('aria-expanded'), 'true', 'aria-expanded on alternative trigger/control is "true"')
         done()
       })
 
@@ -382,15 +382,15 @@ $(function () {
     $('<div id="test1" class="show"/>')
       .appendTo('#qunit-fixture')
       .on('hidden.bs.collapse', function () {
-        assert.strictEqual($target.attr('aria-expanded'), 'false', 'aria-expanded on target is "false"')
-        assert.strictEqual($alt.attr('aria-expanded'), 'false', 'aria-expanded on alt is "false"')
+        assert.strictEqual($target.attr('aria-expanded'), 'false', 'aria-expanded on trigger/control is "false"')
+        assert.strictEqual($alt.attr('aria-expanded'), 'false', 'aria-expanded on alternative trigger/control is "false"')
         done()
       })
 
     $target.trigger('click')
   })
 
-  QUnit.test('should change aria-expanded from active accordion target to "false" and set the newly active one to "true"', function (assert) {
+  QUnit.test('should change aria-expanded from active accordion trigger/control to "false" and set the trigger/control for the newly active one to "true"', function (assert) {
     assert.expect(3)
     var done = assert.async()
 
@@ -401,22 +401,22 @@ $(function () {
         + '</div>'
     var $groups = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
-    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" aria-expanded="true" href="#body1"/>').appendTo($groups.eq(0))
 
-    $('<div id="body1" aria-expanded="true" class="show"/>').appendTo($groups.eq(0))
+    $('<div id="body1" class="show" data-parent="#accordion"/>').appendTo($groups.eq(0))
 
-    var $target2 = $('<a role="button" data-toggle="collapse" href="#body2" data-parent="#accordion" class="collapsed" />').appendTo($groups.eq(1))
+    var $target2 = $('<a role="button" data-toggle="collapse" aria-expanded="false" href="#body2" class="collapsed" aria-expanded="false" />').appendTo($groups.eq(1))
 
-    $('<div id="body2" aria-expanded="false"/>').appendTo($groups.eq(1))
+    $('<div id="body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
-    var $target3 = $('<a class="collapsed" data-toggle="collapse" role="button" href="#body3" data-parent="#accordion"/>').appendTo($groups.eq(2))
+    var $target3 = $('<a class="collapsed" data-toggle="collapse" aria-expanded="false" role="button" href="#body3"/>').appendTo($groups.eq(2))
 
-    $('<div id="body3" aria-expanded="false"/>')
+    $('<div id="body3" data-parent="#accordion"/>')
       .appendTo($groups.eq(2))
       .on('shown.bs.collapse', function () {
-        assert.strictEqual($target1.attr('aria-expanded'), 'false', 'inactive target 1 has aria-expanded="false"')
-        assert.strictEqual($target2.attr('aria-expanded'), 'false', 'inactive target 2 has aria-expanded="false"')
-        assert.strictEqual($target3.attr('aria-expanded'), 'true', 'active target 3 has aria-expanded="false"')
+        assert.strictEqual($target1.attr('aria-expanded'), 'false', 'inactive trigger/control 1 has aria-expanded="false"')
+        assert.strictEqual($target2.attr('aria-expanded'), 'false', 'inactive trigger/control 2 has aria-expanded="false"')
+        assert.strictEqual($target3.attr('aria-expanded'), 'true', 'active trigger/control 3 has aria-expanded="true"')
 
         done()
       })
@@ -435,16 +435,16 @@ $(function () {
     var showFired = false
     var $groups   = $(accordionHTML).appendTo('#qunit-fixture').find('.card')
 
-    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1" data-parent="#accordion"/>').appendTo($groups.eq(0))
+    var $target1 = $('<a role="button" data-toggle="collapse" href="#body1"/>').appendTo($groups.eq(0))
 
-    $('<div id="body1" class="collapse"/>')
+    $('<div id="body1" class="collapse" data-parent="#accordion"/>')
       .appendTo($groups.eq(0))
       .on('show.bs.collapse', function () {
         showFired = true
       })
 
-    var $target2 = $('<a role="button" data-toggle="collapse" href="#body2" data-parent="#accordion"/>').appendTo($groups.eq(1))
-    var $body2   = $('<div id="body2" class="collapse"/>').appendTo($groups.eq(1))
+    var $target2 = $('<a role="button" data-toggle="collapse" href="#body2"/>').appendTo($groups.eq(1))
+    var $body2   = $('<div id="body2" class="collapse" data-parent="#accordion"/>').appendTo($groups.eq(1))
 
     $target2.trigger('click')
 
@@ -490,4 +490,102 @@ $(function () {
       .bootstrapCollapse('show')
   })
 
+  QUnit.test('should allow accordion to use children other than card', function (assert) {
+    assert.expect(4)
+    var done = assert.async()
+    var accordionHTML = '<div id="accordion">'
+        + '<div class="item">'
+        + '<a id="linkTrigger" data-parent="#accordion" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>'
+        + '<div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree"></div>'
+        + '</div>'
+        + '<div class="item">'
+        + '<a id="linkTriggerTwo" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>'
+        + '<div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>'
+        + '</div>'
+        + '</div>'
+
+    $(accordionHTML).appendTo('#qunit-fixture')
+    var $trigger = $('#linkTrigger')
+    var $triggerTwo = $('#linkTriggerTwo')
+    var $collapseOne = $('#collapseOne')
+    var $collapseTwo = $('#collapseTwo')
+    $collapseOne.on('shown.bs.collapse', function () {
+      assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown')
+      assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown')
+      $collapseTwo.on('shown.bs.collapse', function () {
+        assert.ok(!$collapseOne.hasClass('show'), '#collapseOne is not shown')
+        assert.ok($collapseTwo.hasClass('show'), '#collapseTwo is shown')
+        done()
+      })
+      $triggerTwo.trigger($.Event('click'))
+    })
+    $trigger.trigger($.Event('click'))
+  })
+
+  QUnit.test('should collapse accordion children but not nested accordion children', function (assert) {
+    assert.expect(9)
+    var done = assert.async()
+    $('<div id="accordion">'
+        + '<div class="item">'
+        + '<a id="linkTrigger" data-parent="#accordion" data-toggle="collapse" href="#collapseOne" aria-expanded="false" aria-controls="collapseOne"></a>'
+        + '<div id="collapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree">'
+        + '<div id="nestedAccordion">'
+        + '<div class="item">'
+        + '<a id="nestedLinkTrigger" data-parent="#nestedAccordion" data-toggle="collapse" href="#nestedCollapseOne" aria-expanded="false" aria-controls="nestedCollapseOne"></a>'
+        + '<div id="nestedCollapseOne" class="collapse" role="tabpanel" aria-labelledby="headingThree">'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '<div class="item">'
+        + '<a id="linkTriggerTwo" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo"></a>'
+        + '<div id="collapseTwo" class="collapse show" role="tabpanel" aria-labelledby="headingTwo"></div>'
+        + '</div>'
+        + '</div>').appendTo('#qunit-fixture')
+    var $trigger = $('#linkTrigger')
+    var $triggerTwo = $('#linkTriggerTwo')
+    var $nestedTrigger = $('#nestedLinkTrigger')
+    var $collapseOne = $('#collapseOne')
+    var $collapseTwo = $('#collapseTwo')
+    var $nestedCollapseOne = $('#nestedCollapseOne')
+
+
+    $collapseOne.one('shown.bs.collapse', function () {
+      assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown')
+      assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown')
+      assert.ok(!$('#nestedCollapseOne').hasClass('show'), '#nestedCollapseOne is not shown')
+      $nestedCollapseOne.one('shown.bs.collapse', function () {
+        assert.ok($collapseOne.hasClass('show'), '#collapseOne is shown')
+        assert.ok(!$collapseTwo.hasClass('show'), '#collapseTwo is not shown')
+        assert.ok($nestedCollapseOne.hasClass('show'), '#nestedCollapseOne is shown')
+        $collapseTwo.one('shown.bs.collapse', function () {
+          assert.ok(!$collapseOne.hasClass('show'), '#collapseOne is not shown')
+          assert.ok($collapseTwo.hasClass('show'), '#collapseTwo is shown')
+          assert.ok($nestedCollapseOne.hasClass('show'), '#nestedCollapseOne is shown')
+          done()
+        })
+        $triggerTwo.trigger($.Event('click'))
+      })
+      $nestedTrigger.trigger($.Event('click'))
+    })
+    $trigger.trigger($.Event('click'))
+  })
+
+  QUnit.test('should not prevent event for input', function (assert) {
+    assert.expect(3)
+    var done = assert.async()
+    var $target = $('<input type="checkbox" data-toggle="collapse" data-target="#collapsediv1" />').appendTo('#qunit-fixture')
+
+    $('<div id="collapsediv1"/>')
+      .appendTo('#qunit-fixture')
+      .on('shown.bs.collapse', function () {
+        assert.ok($(this).hasClass('show'))
+        assert.ok($target.attr('aria-expanded') === 'true')
+        assert.ok($target.prop('checked'))
+        done()
+      })
+
+    $target.trigger($.Event('click'))
+  })
 })
diff --git a/js/tests/unit/dropdown.js b/js/tests/unit/dropdown.js
index 53455c2a6..1dd675b0b 100644
--- a/js/tests/unit/dropdown.js
+++ b/js/tests/unit/dropdown.js
@@ -45,58 +45,62 @@ $(function () {
   })
 
   QUnit.test('should not open dropdown if target is disabled via attribute', function (assert) {
-    assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    assert.expect(0)
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<button disabled href="#" class="btn dropdown-toggle" data-toggle="dropdown">Dropdown</button>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
-    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
-
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown()
+    setTimeout(function () {
+      assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+    }, 300)
   })
 
   QUnit.test('should set aria-expanded="true" on target when dropdown menu is shown', function (assert) {
     assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
-    var $dropdown = $(dropdownHTML)
-      .find('[data-toggle="dropdown"]')
-      .bootstrapDropdown()
-      .trigger('click')
-
-    assert.strictEqual($dropdown.attr('aria-expanded'), 'true', 'aria-expanded is set to string "true" on click')
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown()
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.strictEqual($dropdown.attr('aria-expanded'), 'true', 'aria-expanded is set to string "true" on click')
+        done()
+      })
+    $dropdown.trigger('click')
   })
 
   QUnit.test('should set aria-expanded="false" on target when dropdown menu is hidden', function (assert) {
     assert.expect(1)
     var done = assert.async()
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" aria-expanded="false" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
@@ -114,101 +118,153 @@ $(function () {
   })
 
   QUnit.test('should not open dropdown if target is disabled via class', function (assert) {
-    assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    assert.expect(0)
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<button href="#" class="btn dropdown-toggle disabled" data-toggle="dropdown">Dropdown</button>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
-
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+    setTimeout(function () {
+      assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+    }, 300)
   })
 
   QUnit.test('should add class show to menu if clicked', function (assert) {
     assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
-    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
-
-    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown()
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        done()
+      })
+    $dropdown.trigger('click')
   })
 
   QUnit.test('should test if element has a # before assuming it\'s a selector', function (assert) {
     assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="/foo/" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
-    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown().trigger('click')
-
-    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML).find('[data-toggle="dropdown"]').bootstrapDropdown()
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        done()
+      })
+    $dropdown.trigger('click')
   })
 
 
   QUnit.test('should remove "show" class if body is clicked', function (assert) {
     assert.expect(2)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
       .bootstrapDropdown()
-      .trigger('click')
 
-    assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
-    $(document.body).trigger('click')
-    assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class removed')
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+        $(document.body).trigger('click')
+      }).on('hidden.bs.dropdown', function () {
+        assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class removed')
+        done()
+      })
+    $dropdown.trigger('click')
+  })
+
+  QUnit.test('should remove "show" class if tabbing outside of menu', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="dropdown-divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML)
+       .appendTo('#qunit-fixture')
+       .find('[data-toggle="dropdown"]')
+       .bootstrapDropdown()
+    $dropdown
+     .parent('.dropdown')
+     .on('shown.bs.dropdown', function () {
+       assert.ok($dropdown.parent('.dropdown').hasClass('show'), '"show" class added on click')
+       var e = $.Event('keyup')
+       e.which = 9 // Tab
+       $(document.body).trigger(e)
+     }).on('hidden.bs.dropdown', function () {
+       assert.ok(!$dropdown.parent('.dropdown').hasClass('show'), '"show" class removed')
+       done()
+     })
+    $dropdown.trigger('click')
   })
 
   QUnit.test('should remove "show" class if body is clicked, with multiple dropdowns', function (assert) {
     assert.expect(7)
-    var dropdownHTML = '<ul class="nav">'
-        + '<li><a href="#menu1">Menu 1</a></li>'
-        + '<li class="dropdown" id="testmenu">'
+    var done = assert.async()
+    var dropdownHTML = '<div class="nav">'
+        + '<div class="dropdown" id="testmenu">'
         + '<a class="dropdown-toggle" data-toggle="dropdown" href="#testmenu">Test menu <span class="caret"/></a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#sub1">Submenu 1</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#sub1">Submenu 1</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
         + '<div class="btn-group">'
         + '<button class="btn">Actions</button>'
-        + '<button class="btn dropdown-toggle" data-toggle="dropdown"><span class="caret"/></button>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Action 1</a></li>'
-        + '</ul>'
+        + '<button class="btn dropdown-toggle" data-toggle="dropdown"></button>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Action 1</a>'
+        + '</div>'
         + '</div>'
     var $dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]')
     var $first = $dropdowns.first()
@@ -216,32 +272,91 @@ $(function () {
 
     assert.strictEqual($dropdowns.length, 2, 'two dropdowns')
 
+    $first.parent('.dropdown')
+    .on('shown.bs.dropdown', function () {
+      assert.strictEqual($first.parents('.show').length, 1, '"show" class added on click')
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 1, 'only one dropdown is shown')
+      $(document.body).trigger('click')
+    }).on('hidden.bs.dropdown', function () {
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 0, '"show" class removed')
+      $last.trigger('click')
+    })
+
+    $last.parent('.btn-group')
+    .on('shown.bs.dropdown', function () {
+      assert.strictEqual($last.parent('.show').length, 1, '"show" class added on click')
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 1, 'only one dropdown is shown')
+      $(document.body).trigger('click')
+    }).on('hidden.bs.dropdown', function () {
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 0, '"show" class removed')
+      done()
+    })
     $first.trigger('click')
-    assert.strictEqual($first.parents('.show').length, 1, '"show" class added on click')
-    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is shown')
-    $(document.body).trigger('click')
-    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
+  })
 
-    $last.trigger('click')
-    assert.strictEqual($last.parent('.show').length, 1, '"show" class added on click')
-    assert.strictEqual($('#qunit-fixture .show').length, 1, 'only one dropdown is shown')
-    $(document.body).trigger('click')
-    assert.strictEqual($('#qunit-fixture .show').length, 0, '"show" class removed')
+  QUnit.test('should remove "show" class if body if tabbing outside of menu, with multiple dropdowns', function (assert) {
+    assert.expect(7)
+    var done = assert.async()
+    var dropdownHTML = '<div class="nav">'
+        + '<div class="dropdown" id="testmenu">'
+        + '<a class="dropdown-toggle" data-toggle="dropdown" href="#testmenu">Test menu <span class="caret"/></a>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#sub1">Submenu 1</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+        + '<div class="btn-group">'
+        + '<button class="btn">Actions</button>'
+        + '<button class="btn dropdown-toggle" data-toggle="dropdown"><span class="caret"/></button>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Action 1</a>'
+        + '</div>'
+        + '</div>'
+    var $dropdowns = $(dropdownHTML).appendTo('#qunit-fixture').find('[data-toggle="dropdown"]')
+    var $first = $dropdowns.first()
+    var $last = $dropdowns.last()
+
+    assert.strictEqual($dropdowns.length, 2, 'two dropdowns')
+
+    $first.parent('.dropdown')
+    .on('shown.bs.dropdown', function () {
+      assert.strictEqual($first.parents('.show').length, 1, '"show" class added on click')
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 1, 'only one dropdown is shown')
+      var e = $.Event('keyup')
+      e.which = 9 // Tab
+      $(document.body).trigger(e)
+    }).on('hidden.bs.dropdown', function () {
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 0, '"show" class removed')
+      $last.trigger('click')
+    })
+
+    $last.parent('.btn-group')
+    .on('shown.bs.dropdown', function () {
+      assert.strictEqual($last.parent('.show').length, 1, '"show" class added on click')
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 1, 'only one dropdown is shown')
+      var e = $.Event('keyup')
+      e.which = 9 // Tab
+      $(document.body).trigger(e)
+    }).on('hidden.bs.dropdown', function () {
+      assert.strictEqual($('#qunit-fixture .dropdown-menu.show').length, 0, '"show" class removed')
+      done()
+    })
+    $first.trigger('click')
   })
 
   QUnit.test('should fire show and hide event', function (assert) {
     assert.expect(2)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
@@ -266,17 +381,17 @@ $(function () {
 
   QUnit.test('should fire shown and hidden event', function (assert) {
     assert.expect(2)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
@@ -300,17 +415,17 @@ $(function () {
 
   QUnit.test('should fire shown and hidden event with a relatedTarget', function (assert) {
     assert.expect(2)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
@@ -334,19 +449,19 @@ $(function () {
     assert.expect(3)
     var done = assert.async()
 
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li><a href="#">Secondary link</a></li>'
-        + '<li><a href="#">Something else here</a></li>'
-        + '<li class="divider"/>'
-        + '<li><a href="#">Another link</a></li>'
-        + '<li><input type="text" id="input"></li>'
-        + '<li><textarea id="textarea"/></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item" href="#">Secondary link</a>'
+        + '<a class="dropdown-item" href="#">Something else here</a>'
+        + '<div class="divider"/>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '<input type="text" id="input">'
+        + '<textarea id="textarea"/>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
@@ -373,63 +488,124 @@ $(function () {
   })
 
   QUnit.test('should skip disabled element when using keyboard navigation', function (assert) {
-    assert.expect(1)
-    var dropdownHTML = '<ul class="tabs">'
-        + '<li class="dropdown">'
+    assert.expect(2)
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
         + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
-        + '<ul class="dropdown-menu">'
-        + '<li class="disabled"><a href="#">Disabled link</a></li>'
-        + '<li><a href="#">Another link</a></li>'
-        + '</ul>'
-        + '</li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<a class="dropdown-item disabled" href="#">Disabled link</a>'
+        + '<a class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
       .bootstrapDropdown()
-      .trigger('click')
 
-    $dropdown.trigger($.Event('keydown', { which: 40 }))
-    $dropdown.trigger($.Event('keydown', { which: 40 }))
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok(true, 'shown was fired')
+        $dropdown.trigger($.Event('keydown', { which: 40 }))
+        $dropdown.trigger($.Event('keydown', { which: 40 }))
+        assert.ok(!$(document.activeElement).is('.disabled'), '.disabled is not focused')
+        done()
+      })
+    $dropdown.trigger('click')
+  })
+
+  QUnit.test('should focus next/previous element when using keyboard navigation', function (assert) {
+    assert.expect(4)
+    var done = assert.async()
+    var dropdownHTML = '<div class="tabs">'
+        + '<div class="dropdown">'
+        + '<a href="#" class="dropdown-toggle" data-toggle="dropdown">Dropdown</a>'
+        + '<div class="dropdown-menu">'
+        + '<a id="item1" class="dropdown-item" href="#">A link</a>'
+        + '<a id="item2" class="dropdown-item" href="#">Another link</a>'
+        + '</div>'
+        + '</div>'
+        + '</div>'
+    var $dropdown = $(dropdownHTML)
+      .appendTo('#qunit-fixture')
+      .find('[data-toggle="dropdown"]')
+      .bootstrapDropdown()
+
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok(true, 'shown was fired')
+        $dropdown.trigger($.Event('keydown', { which: 40 }))
+        assert.ok($(document.activeElement).is($('#item1')), 'item1 is focused')
+
+        $(document.activeElement).trigger($.Event('keydown', { which: 40 }))
+        assert.ok($(document.activeElement).is($('#item2')), 'item2 is focused')
+
+        $(document.activeElement).trigger($.Event('keydown', { which: 38 }))
+        assert.ok($(document.activeElement).is($('#item1')), 'item1 is focused')
+        done()
+      })
+    $dropdown.trigger('click')
 
-    assert.ok(!$(document.activeElement).parent().is('.disabled'), '.disabled is not focused')
   })
 
   QUnit.test('should not close the dropdown if the user clicks on a text field', function (assert) {
-    assert.expect(1)
-    var dropdownHTML = '<div class="btn-group">'
+    assert.expect(2)
+    var done = assert.async()
+    var dropdownHTML = '<div class="dropdown">'
         + '<button type="button" data-toggle="dropdown">Dropdown</button>'
-        + '<ul class="dropdown-menu">'
-        + '<li><input id="textField" type="text" /></li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<input id="textField" type="text" />'
+        + '</div>'
         + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
       .bootstrapDropdown()
-      .trigger('click')
 
-    $('#textField').trigger('click')
+    var $textfield = $('#textField')
+    $textfield.on('click', function () {
+      assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
+      done()
+    })
 
-    assert.ok($dropdown.parent('.btn-group').hasClass('show'), 'dropdown menu is shown')
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
+        $textfield.trigger($.Event('click'))
+      })
+    $dropdown.trigger('click')
   })
 
   QUnit.test('should not close the dropdown if the user clicks on a textarea', function (assert) {
-    assert.expect(1)
-    var dropdownHTML = '<div class="btn-group">'
+    assert.expect(2)
+    var done = assert.async()
+    var dropdownHTML = '<div class="dropdown">'
         + '<button type="button" data-toggle="dropdown">Dropdown</button>'
-        + '<ul class="dropdown-menu">'
-        + '<li><textarea id="textArea"></textarea></li>'
-        + '</ul>'
+        + '<div class="dropdown-menu">'
+        + '<textarea id="textArea"></textarea>'
+        + '</div>'
         + '</div>'
     var $dropdown = $(dropdownHTML)
       .appendTo('#qunit-fixture')
       .find('[data-toggle="dropdown"]')
       .bootstrapDropdown()
-      .trigger('click')
 
-    $('#textArea').trigger('click')
+    var $textarea = $('#textArea')
+    $textarea.on('click', function () {
+      assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
+      done()
+    })
 
-    assert.ok($dropdown.parent('.btn-group').hasClass('show'), 'dropdown menu is shown')
+    $dropdown
+      .parent('.dropdown')
+      .on('shown.bs.dropdown', function () {
+        assert.ok($dropdown.parent('.dropdown').hasClass('show'), 'dropdown menu is shown')
+        $textarea.trigger($.Event('click'))
+      })
+    $dropdown.trigger('click')
   })
 })
diff --git a/js/tests/unit/modal.js b/js/tests/unit/modal.js
index 7af5aeb27..fc6c4f38c 100644
--- a/js/tests/unit/modal.js
+++ b/js/tests/unit/modal.js
@@ -9,6 +9,19 @@ $(function () {
   })
 
   QUnit.module('modal', {
+    before: function () {
+      // Enable the scrollbar measurer
+      $('<style type="text/css"> .modal-scrollbar-measure { position: absolute; top: -9999px; width: 50px; height: 50px; overflow: scroll; } </style>').appendTo('head')
+      // Function to calculate the scrollbar width which is then compared to the padding or margin changes
+      $.fn.getScrollbarWidth = function () {
+        var scrollDiv = document.createElement('div')
+        scrollDiv.className = 'modal-scrollbar-measure'
+        document.body.appendChild(scrollDiv)
+        var scrollbarWidth = scrollDiv.offsetWidth - scrollDiv.clientWidth
+        document.body.removeChild(scrollDiv)
+        return scrollbarWidth
+      }
+    },
     beforeEach: function () {
       // Run all tests in noConflict mode -- it's the only way to ensure that the plugin works in noConflict mode
       $.fn.bootstrapModal = $.fn.modal.noConflict()
@@ -336,81 +349,147 @@ $(function () {
     $toggleBtn.trigger('click')
   })
 
-  QUnit.test('should restore inline body padding after closing', function (assert) {
+  QUnit.test('should adjust the inline body padding when opening and restore when closing', function (assert) {
     assert.expect(2)
     var done = assert.async()
-    var originalBodyPad = 0
     var $body = $(document.body)
-
-    $body.css('padding-right', originalBodyPad)
+    var originalPadding = $body.css('padding-right')
 
     $('<div id="modal-test"/>')
       .on('hidden.bs.modal', function () {
-        var currentBodyPad = parseInt($body.css('padding-right'), 10)
-        assert.notStrictEqual($body.attr('style'), '', 'body has non-empty style attribute')
-        assert.strictEqual(currentBodyPad, originalBodyPad, 'original body padding was not changed')
+        var currentPadding = $body.css('padding-right')
+        assert.strictEqual(currentPadding, originalPadding, 'body padding should be reset after closing')
         $body.removeAttr('style')
         done()
       })
       .on('shown.bs.modal', function () {
+        var expectedPadding = parseFloat(originalPadding) + $(this).getScrollbarWidth() + 'px'
+        var currentPadding = $body.css('padding-right')
+        assert.strictEqual(currentPadding, expectedPadding, 'body padding should be adjusted while opening')
         $(this).bootstrapModal('hide')
       })
       .bootstrapModal('show')
   })
 
-  QUnit.test('should ignore values set via CSS when trying to restore body padding after closing', function (assert) {
-    assert.expect(1)
+  QUnit.test('should store the original body padding in data-padding-right before showing', function (assert) {
+    assert.expect(2)
     var done = assert.async()
     var $body = $(document.body)
-    var $style = $('<style>body { padding-right: 42px; }</style>').appendTo('head')
+    var originalPadding = '0px'
+    $body.css('padding-right', originalPadding)
 
     $('<div id="modal-test"/>')
       .on('hidden.bs.modal', function () {
-        assert.ok(!$body.attr('style'), 'body does not have inline padding set')
-        $style.remove()
+        assert.strictEqual($body.data('padding-right'), undefined, 'data-padding-right should be cleared after closing')
+        $body.removeAttr('style')
         done()
       })
       .on('shown.bs.modal', function () {
+        assert.strictEqual($body.data('padding-right'), originalPadding, 'original body padding should be stored in data-padding-right')
         $(this).bootstrapModal('hide')
       })
       .bootstrapModal('show')
   })
 
-  QUnit.test('should have a paddingRight when the modal is taller than the viewport', function (assert) {
+  QUnit.test('should adjust the inline padding of fixed elements when opening and restore when closing', function (assert) {
     assert.expect(2)
     var done = assert.async()
-    $('<div class="navbar-fixed-top navbar-fixed-bottom is-fixed">@Johann-S</div>').appendTo('#qunit-fixture')
-    $('.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed').css('padding-right', '10px')
+    var $element = $('<div class="fixed-top"></div>').appendTo('#qunit-fixture')
+    var originalPadding = $element.css('padding-right')
 
     $('<div id="modal-test"/>')
+      .on('hidden.bs.modal', function () {
+        var currentPadding = $element.css('padding-right')
+        assert.strictEqual(currentPadding, originalPadding, 'fixed element padding should be reset after closing')
+        $element.remove()
+        done()
+      })
       .on('shown.bs.modal', function () {
-        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
-        assert.strictEqual(isNaN(paddingRight), false)
-        assert.strictEqual(paddingRight !== 0, true)
-        $(document.body).css('padding-right', '') // Because test case "should ignore other inline styles when trying to restore body padding after closing" fail if not
+        var expectedPadding = parseFloat(originalPadding) + $(this).getScrollbarWidth() + 'px'
+        var currentPadding = $element.css('padding-right')
+        assert.strictEqual(currentPadding, expectedPadding, 'fixed element padding should be adjusted while opening')
+        $(this).bootstrapModal('hide')
+      })
+      .bootstrapModal('show')
+  })
+
+  QUnit.test('should store the original padding of fixed elements in data-padding-right before showing', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    var $element = $('<div class="fixed-top"></div>').appendTo('#qunit-fixture')
+    var originalPadding = '0px'
+    $element.css('padding-right', originalPadding)
+
+    $('<div id="modal-test"/>')
+      .on('hidden.bs.modal', function () {
+        assert.strictEqual($element.data('padding-right'), undefined, 'data-padding-right should be cleared after closing')
+        $element.remove()
         done()
       })
+      .on('shown.bs.modal', function () {
+        assert.strictEqual($element.data('padding-right'), originalPadding, 'original fixed element padding should be stored in data-padding-right')
+        $(this).bootstrapModal('hide')
+      })
       .bootstrapModal('show')
   })
 
-  QUnit.test('should remove padding-right on modal after closing', function (assert) {
-    assert.expect(3)
+  QUnit.test('should adjust the inline margin of the navbar-toggler when opening and restore when closing', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    var $element = $('<div class="navbar-toggler"></div>').appendTo('#qunit-fixture')
+    var originalMargin = $element.css('margin-right')
+
+    $('<div id="modal-test"/>')
+      .on('hidden.bs.modal', function () {
+        var currentMargin = $element.css('margin-right')
+        assert.strictEqual(currentMargin, originalMargin, 'navbar-toggler margin should be reset after closing')
+        $element.remove()
+        done()
+      })
+      .on('shown.bs.modal', function () {
+        var expectedMargin = parseFloat(originalMargin) + $(this).getScrollbarWidth() + 'px'
+        var currentMargin = $element.css('margin-right')
+        assert.strictEqual(currentMargin, expectedMargin, 'navbar-toggler margin should be adjusted while opening')
+        $(this).bootstrapModal('hide')
+      })
+      .bootstrapModal('show')
+  })
+
+  QUnit.test('should store the original margin of the navbar-toggler in data-margin-right before showing', function (assert) {
+    assert.expect(2)
     var done = assert.async()
-    $('<div class="navbar-fixed-top navbar-fixed-bottom is-fixed">@Johann-S</div>').appendTo('#qunit-fixture')
-    $('.navbar-fixed-top, .navbar-fixed-bottom, .is-fixed').css('padding-right', '10px')
+    var $element = $('<div class="navbar-toggler"></div>').appendTo('#qunit-fixture')
+    var originalMargin = '0px'
+    $element.css('margin-right', originalMargin)
 
     $('<div id="modal-test"/>')
+      .on('hidden.bs.modal', function () {
+        assert.strictEqual($element.data('margin-right'), undefined, 'data-margin-right should be cleared after closing')
+        $element.remove()
+        done()
+      })
       .on('shown.bs.modal', function () {
-        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
-        assert.strictEqual(isNaN(paddingRight), false)
-        assert.strictEqual(paddingRight !== 0, true)
+        assert.strictEqual($element.data('margin-right'), originalMargin, 'original navbar-toggler margin should be stored in data-margin-right')
         $(this).bootstrapModal('hide')
       })
+      .bootstrapModal('show')
+  })
+
+  QUnit.test('should ignore values set via CSS when trying to restore body padding after closing', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var $body = $(document.body)
+    var $style = $('<style>body { padding-right: 42px; }</style>').appendTo('head')
+
+    $('<div id="modal-test"/>')
       .on('hidden.bs.modal', function () {
-        var paddingRight = parseInt($(document.body).css('padding-right'), 10)
-        assert.strictEqual(paddingRight, 0)
+        assert.ok(!$body.attr('style'), 'body does not have inline padding set')
+        $style.remove()
         done()
       })
+      .on('shown.bs.modal', function () {
+        $(this).bootstrapModal('hide')
+      })
       .bootstrapModal('show')
   })
 
diff --git a/js/tests/unit/phantom.js b/js/tests/unit/phantom.js
deleted file mode 100644
index eea7486a4..000000000
--- a/js/tests/unit/phantom.js
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * grunt-contrib-qunit
- * http://gruntjs.com/
- *
- * Copyright (c) 2014 "Cowboy" Ben Alman, contributors
- * Licensed under the MIT license.
- */
-
-(function () {
-  'use strict'
-
-  // Don't re-order tests.
-  QUnit.config.reorder = false
-  // Run tests serially, not in parallel.
-  QUnit.config.autorun = false
-
-  // Send messages to the parent PhantomJS process via alert! Good times!!
-  function sendMessage() {
-    var args = [].slice.call(arguments)
-    alert(JSON.stringify(args))
-  }
-
-  // These methods connect QUnit to PhantomJS.
-  QUnit.log(function (obj) {
-    // What is this I don’t even
-    if (obj.message === '[object Object], undefined:undefined') { return }
-
-    // Parse some stuff before sending it.
-    var actual
-    var expected
-    if (!obj.result) {
-      // Dumping large objects can be very slow, and the dump isn't used for
-      // passing tests, so only dump if the test failed.
-      actual = QUnit.dump.parse(obj.actual)
-      expected = QUnit.dump.parse(obj.expected)
-    }
-    // Send it.
-    sendMessage('qunit.log', obj.result, actual, expected, obj.message, obj.source)
-  })
-
-  QUnit.testStart(function (obj) {
-    sendMessage('qunit.testStart', obj.name)
-  })
-
-  QUnit.testDone(function (obj) {
-    sendMessage('qunit.testDone', obj.name, obj.failed, obj.passed, obj.total, obj.duration)
-  })
-
-  QUnit.moduleStart(function (obj) {
-    sendMessage('qunit.moduleStart', obj.name)
-  })
-
-  QUnit.moduleDone(function (obj) {
-    if (obj.failed === 0) {
-      console.log('\r\u221A All tests passed in "' + obj.name + '" module')
-    } else {
-      console.log('\u00D7 ' + obj.failed + ' tests failed in "' + obj.name + '" module')
-    }
-    sendMessage('qunit.moduleDone', obj.name, obj.failed, obj.passed, obj.total)
-  })
-
-  QUnit.begin(function () {
-    sendMessage('qunit.begin')
-    console.log('\n\nStarting test suite')
-    console.log('================================================\n')
-  })
-
-  QUnit.done(function (obj) {
-    sendMessage('qunit.done', obj.failed, obj.passed, obj.total, obj.runtime)
-  })
-
-}())
diff --git a/js/tests/unit/popover.js b/js/tests/unit/popover.js
index 5452def58..a7762bfab 100644
--- a/js/tests/unit/popover.js
+++ b/js/tests/unit/popover.js
@@ -47,13 +47,18 @@ $(function () {
 
   QUnit.test('should render popover element', function (assert) {
     assert.expect(2)
-    var $popover = $('<a href="#" title="mdo" data-content="https://twitter.com/mdo">@mdo</a>')
+    var done = assert.async()
+    $('<a href="#" title="mdo" data-content="https://twitter.com/mdo">@mdo</a>')
       .appendTo('#qunit-fixture')
+      .on('shown.bs.popover', function () {
+        assert.notEqual($('.popover').length, 0, 'popover was inserted')
+        $(this).bootstrapPopover('hide')
+      })
+      .on('hidden.bs.popover', function () {
+        assert.strictEqual($('.popover').length, 0, 'popover removed')
+        done()
+      })
       .bootstrapPopover('show')
-
-    assert.notEqual($('.popover').length, 0, 'popover was inserted')
-    $popover.bootstrapPopover('hide')
-    assert.strictEqual($('.popover').length, 0, 'popover removed')
   })
 
   QUnit.test('should store popover instance in popover data object', function (assert) {
@@ -332,4 +337,54 @@ $(function () {
       done()
     }
   })
+
+  QUnit.test('should hide popovers when their containing modal is closed', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var templateHTML = '<div id="modal-test" class="modal">' +
+                          '<div class="modal-dialog" role="document">' +
+                            '<div class="modal-content">' +
+                              '<div class="modal-body">' +
+                                '<button id="popover-test" type="button" class="btn btn-secondary" data-toggle="popover" data-placement="top" data-content="Popover">' +
+                                  'Popover on top' +
+                                '</button>' +
+                              '</div>' +
+                            '</div>' +
+                          '</div>' +
+                        '</div>'
+
+    $(templateHTML).appendTo('#qunit-fixture')
+    $('#popover-test')
+      .on('shown.bs.popover', function () {
+        $('#modal-test').modal('hide')
+      })
+      .on('hide.bs.popover', function () {
+        assert.ok(true, 'popover hide')
+        done()
+      })
+
+    $('#modal-test')
+      .on('shown.bs.modal', function () {
+        $('#popover-test').bootstrapPopover('show')
+      })
+      .modal('show')
+  })
+
+  QUnit.test('should convert number to string without error for content and title', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    var $popover = $('<a href="#">@mdo</a>')
+      .appendTo('#qunit-fixture')
+      .bootstrapPopover({
+        title: 5,
+        content: 7
+      })
+      .on('shown.bs.popover', function () {
+        assert.strictEqual($('.popover .popover-title').text(), '5')
+        assert.strictEqual($('.popover .popover-content').text(), '7')
+        done()
+      })
+
+    $popover.bootstrapPopover('show')
+  })
 })
diff --git a/js/tests/unit/scrollspy.js b/js/tests/unit/scrollspy.js
index 877ec67a2..a6a72e7a6 100644
--- a/js/tests/unit/scrollspy.js
+++ b/js/tests/unit/scrollspy.js
@@ -26,7 +26,7 @@ $(function () {
 
   QUnit.test('should throw explicit error on undefined method', function (assert) {
     assert.expect(1)
-    var $el = $('<div/>')
+    var $el = $('<div/>').appendTo('#qunit-fixture')
     $el.bootstrapScrollspy()
     try {
       $el.bootstrapScrollspy('noMethod')
@@ -38,7 +38,7 @@ $(function () {
 
   QUnit.test('should return jquery collection containing the element', function (assert) {
     assert.expect(2)
-    var $el = $('<div/>')
+    var $el = $('<div/>').appendTo('#qunit-fixture')
     var $scrollspy = $el.bootstrapScrollspy()
     assert.ok($scrollspy instanceof $, 'returns jquery collection')
     assert.strictEqual($scrollspy[0], $el[0], 'collection contains element')
@@ -53,8 +53,8 @@ $(function () {
         + '<div class="topbar-inner">'
         + '<div class="container" id="ss-target">'
         + '<ul class="nav">'
-        + '<li><a href="#masthead">Overview</a></li>'
-        + '<li><a href="#detail">Detail</a></li>'
+        + '<li class="nav-item"><a href="#masthead">Overview</a></li>'
+        + '<li class="nav-item"><a href="#detail">Detail</a></li>'
         + '</ul>'
         + '</div>'
         + '</div>'
@@ -98,8 +98,8 @@ $(function () {
         + '<div class="topbar-inner">'
         + '<div class="container" id="ss-target">'
         + '<ul class="nav">'
-        + '<li><a href="#masthead">Overview</a></li>'
-        + '<li><a href="#detail">Detail</a></li>'
+        + '<li class="nav-item"><a href="#masthead">Overview</a></li>'
+        + '<li class="nav-item"><a href="#detail">Detail</a></li>'
         + '</ul>'
         + '</div>'
         + '</div>'
@@ -140,10 +140,10 @@ $(function () {
 
     var sectionHTML = '<div id="header" style="height: 500px;"></div>'
         + '<nav id="navigation" class="navbar">'
-        + '<ul class="nav navbar-nav">'
-        + '<li class="active"><a class="nav-link" id="one-link" href="#one">One</a></li>'
-        + '<li><a class="nav-link" id="two-link" href="#two">Two</a></li>'
-        + '<li><a class="nav-link" id="three-link" href="#three">Three</a></li>'
+        + '<ul class="navbar-nav">'
+        + '<li class="nav-item active"><a class="nav-link" id="one-link" href="#one">One</a></li>'
+        + '<li class="nav-item"><a class="nav-link" id="two-link" href="#two">Two</a></li>'
+        + '<li class="nav-item"><a class="nav-link" id="three-link" href="#three">Three</a></li>'
         + '</ul>'
         + '</nav>'
         + '<div id="content" style="height: 200px; overflow-y: auto;">'
@@ -173,8 +173,8 @@ $(function () {
     var navbarHtml =
         '<nav class="navbar">'
       + '<ul class="nav">'
-      + '<li><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>'
-      + '<li><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>'
+      + '<li class="nav-item"><a class="nav-link" id="a-1" href="#div-1">div 1</a></li>'
+      + '<li class="nav-item"><a class="nav-link" id="a-2" href="#div-2">div 2</a></li>'
       + '</ul>'
       + '</nav>'
     var contentHtml =
@@ -205,15 +205,89 @@ $(function () {
       .then(function () { done() })
   })
 
+  QUnit.test('should add the active class to the correct element (nav markup)', function (assert) {
+    assert.expect(2)
+    var navbarHtml =
+        '<nav class="navbar">'
+      + '<nav class="nav">'
+      + '<a class="nav-link" id="a-1" href="#div-1">div 1</a>'
+      + '<a class="nav-link" id="a-2" href="#div-2">div 2</a>'
+      + '</nav>'
+      + '</nav>'
+    var contentHtml =
+        '<div class="content" style="overflow: auto; height: 50px">'
+      + '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>'
+      + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
+      + '</div>'
+
+    $(navbarHtml).appendTo('#qunit-fixture')
+    var $content = $(contentHtml)
+      .appendTo('#qunit-fixture')
+      .bootstrapScrollspy({ offset: 0, target: '.navbar' })
+
+    var done = assert.async()
+    var testElementIsActiveAfterScroll = function (element, target) {
+      var deferred = $.Deferred()
+      var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
+      $content.one('scroll', function () {
+        assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
+        deferred.resolve()
+      })
+      $content.scrollTop(scrollHeight)
+      return deferred.promise()
+    }
+
+    $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
+      .then(function () { return testElementIsActiveAfterScroll('#a-2', '#div-2') })
+      .then(function () { done() })
+  })
+
+  QUnit.test('should add the active class to the correct element (list-group markup)', function (assert) {
+    assert.expect(2)
+    var navbarHtml =
+        '<nav class="navbar">'
+      + '<div class="list-group">'
+      + '<a class="list-group-item" id="a-1" href="#div-1">div 1</a>'
+      + '<a class="list-group-item" id="a-2" href="#div-2">div 2</a>'
+      + '</div>'
+      + '</nav>'
+    var contentHtml =
+        '<div class="content" style="overflow: auto; height: 50px">'
+      + '<div id="div-1" style="height: 100px; padding: 0; margin: 0">div 1</div>'
+      + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
+      + '</div>'
+
+    $(navbarHtml).appendTo('#qunit-fixture')
+    var $content = $(contentHtml)
+      .appendTo('#qunit-fixture')
+      .bootstrapScrollspy({ offset: 0, target: '.navbar' })
+
+    var done = assert.async()
+    var testElementIsActiveAfterScroll = function (element, target) {
+      var deferred = $.Deferred()
+      var scrollHeight = Math.ceil($content.scrollTop() + $(target).position().top)
+      $content.one('scroll', function () {
+        assert.ok($(element).hasClass('active'), 'target:' + target + ', element' + element)
+        deferred.resolve()
+      })
+      $content.scrollTop(scrollHeight)
+      return deferred.promise()
+    }
+
+    $.when(testElementIsActiveAfterScroll('#a-1', '#div-1'))
+      .then(function () { return testElementIsActiveAfterScroll('#a-2', '#div-2') })
+      .then(function () { done() })
+  })
+
   QUnit.test('should add the active class correctly when there are nested elements at 0 scroll offset', function (assert) {
     assert.expect(6)
     var times = 0
     var done = assert.async()
     var navbarHtml = '<nav id="navigation" class="navbar">'
       + '<ul class="nav">'
-      + '<li><a id="a-1" class="nav-link" href="#div-1">div 1</a>'
-      + '<ul>'
-      + '<li><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>'
+      + '<li class="nav-item"><a id="a-1" class="nav-link" href="#div-1">div 1</a>'
+      + '<ul class="nav">'
+      + '<li class="nav-item"><a id="a-2" class="nav-link" href="#div-2">div 2</a></li>'
       + '</ul>'
       + '</li>'
       + '</ul>'
@@ -246,16 +320,96 @@ $(function () {
     testActiveElements()
   })
 
+  QUnit.test('should add the active class correctly when there are nested elements (nav markup)', function (assert) {
+    assert.expect(6)
+    var times = 0
+    var done = assert.async()
+    var navbarHtml = '<nav id="navigation" class="navbar">'
+      + '<nav class="nav">'
+      + '<a id="a-1" class="nav-link" href="#div-1">div 1</a>'
+      + '<nav class="nav">'
+      + '<a id="a-2" class="nav-link" href="#div-2">div 2</a>'
+      + '</nav>'
+      + '</nav>'
+      + '</nav>'
+
+    var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">'
+      + '<div id="div-1" style="padding: 0; margin: 0">'
+      + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
+      + '</div>'
+      + '</div>'
+
+    $(navbarHtml).appendTo('#qunit-fixture')
+
+    var $content = $(contentHtml)
+      .appendTo('#qunit-fixture')
+      .bootstrapScrollspy({ offset: 0, target: '#navigation' })
+
+    function testActiveElements() {
+      if (++times > 3) { return done() }
+
+      $content.one('scroll', function () {
+        assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
+        assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
+        testActiveElements()
+      })
+
+      $content.scrollTop($content.scrollTop() + 10)
+    }
+
+    testActiveElements()
+  })
+
+  QUnit.test('should add the active class correctly when there are nested elements (list-group markup)', function (assert) {
+    assert.expect(6)
+    var times = 0
+    var done = assert.async()
+    var navbarHtml = '<nav id="navigation" class="navbar">'
+      + '<div class="list-group">'
+      + '<a id="a-1" class="list-group-item" href="#div-1">div 1</a>'
+      + '<div class="list-group">'
+      + '<a id="a-2" class="list-group-item" href="#div-2">div 2</a>'
+      + '</div>'
+      + '</div>'
+      + '</nav>'
+
+    var contentHtml = '<div class="content" style="position: absolute; top: 0px; overflow: auto; height: 50px">'
+      + '<div id="div-1" style="padding: 0; margin: 0">'
+      + '<div id="div-2" style="height: 200px; padding: 0; margin: 0">div 2</div>'
+      + '</div>'
+      + '</div>'
+
+    $(navbarHtml).appendTo('#qunit-fixture')
+
+    var $content = $(contentHtml)
+      .appendTo('#qunit-fixture')
+      .bootstrapScrollspy({ offset: 0, target: '#navigation' })
+
+    function testActiveElements() {
+      if (++times > 3) { return done() }
+
+      $content.one('scroll', function () {
+        assert.ok($('#a-1').hasClass('active'), 'nav item for outer element has "active" class')
+        assert.ok($('#a-2').hasClass('active'), 'nav item for inner element has "active" class')
+        testActiveElements()
+      })
+
+      $content.scrollTop($content.scrollTop() + 10)
+    }
+
+    testActiveElements()
+  })
+
   QUnit.test('should clear selection if above the first section', function (assert) {
     assert.expect(3)
     var done = assert.async()
 
     var sectionHTML = '<div id="header" style="height: 500px;"></div>'
         + '<nav id="navigation" class="navbar">'
-        + '<ul class="nav navbar-nav">'
-        + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
-        + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
-        + '<li><a id="three-link" class="nav-link" href="#three">Three</a></li>'
+        + '<ul class="navbar-nav">'
+        + '<li class="nav-item"><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
+        + '<li class="nav-item"><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
+        + '<li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>'
         + '</ul>'
         + '</nav>'
     $(sectionHTML).appendTo('#qunit-fixture')
@@ -293,10 +447,10 @@ $(function () {
 
     var sectionHTML = '<div id="header" style="height: 500px;"></div>'
         + '<nav id="navigation" class="navbar">'
-        + '<ul class="nav navbar-nav">'
-        + '<li><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
-        + '<li><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
-        + '<li><a id="three-link" class="nav-link" href="#three">Three</a></li>'
+        + '<ul class="navbar-nav">'
+        + '<li class="nav-item"><a id="one-link"   class="nav-link active" href="#one">One</a></li>'
+        + '<li class="nav-item"><a id="two-link"   class="nav-link" href="#two">Two</a></li>'
+        + '<li class="nav-item"><a id="three-link" class="nav-link" href="#three">Three</a></li>'
         + '</ul>'
         + '</nav>'
     $(sectionHTML).appendTo('#qunit-fixture')
@@ -336,11 +490,11 @@ $(function () {
     var navbarHtml =
         '<nav class="navbar">'
       + '<ul class="nav">'
-      + '<li><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>'
-      + '<li><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>'
-      + '<li><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>'
-      + '<li><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>'
-      + '<li><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>'
+      + '<li class="nav-item"><a id="li-100-1" class="nav-link" href="#div-100-1">div 1</a></li>'
+      + '<li class="nav-item"><a id="li-100-2" class="nav-link" href="#div-100-2">div 2</a></li>'
+      + '<li class="nav-item"><a id="li-100-3" class="nav-link" href="#div-100-3">div 3</a></li>'
+      + '<li class="nav-item"><a id="li-100-4" class="nav-link" href="#div-100-4">div 4</a></li>'
+      + '<li class="nav-item"><a id="li-100-5" class="nav-link" href="#div-100-5">div 5</a></li>'
       + '</ul>'
       + '</nav>'
     var contentHtml =
@@ -384,9 +538,9 @@ $(function () {
       var $navbar = $(
           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>'
         + '<ul class="nav">'
-        + '<li><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>'
-        + '<li><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>'
-        + '<li><a id="li-' + type + 'm-3" class="nav-link" href="#div-' + type + 'm-3">div 3</a></li>'
+        + '<li class="nav-item"><a id="li-' + type + 'm-1" class="nav-link" href="#div-' + type + 'm-1">div 1</a></li>'
+        + '<li class="nav-item"><a id="li-' + type + 'm-2" class="nav-link" href="#div-' + type + 'm-2">div 2</a></li>'
+        + '<li class="nav-item"><a id="li-' + type + 'm-3" class="nav-link" href="#div-' + type + 'm-3">div 3</a></li>'
         + '</ul>'
         + '</nav>'
       )
@@ -428,9 +582,9 @@ $(function () {
       var $navbar = $(
           '<nav class="navbar"' + (type === 'data' ? ' id="navbar-offset-method-menu"' : '') + '>'
         + '<ul class="nav">'
-        + '<li><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>'
-        + '<li><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>'
-        + '<li><a class="nav-link" id="li-' + type + 'm-3" href="#div-' + type + 'm-3">div 3</a></li>'
+        + '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-1" href="#div-' + type + 'm-1">div 1</a></li>'
+        + '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-2" href="#div-' + type + 'm-2">div 2</a></li>'
+        + '<li class="nav-item"><a class="nav-link" id="li-' + type + 'm-3" href="#div-' + type + 'm-3">div 3</a></li>'
         + '</ul>'
         + '</nav>'
       )
diff --git a/js/tests/unit/tab.js b/js/tests/unit/tab.js
index 62eece896..1e2b66c04 100644
--- a/js/tests/unit/tab.js
+++ b/js/tests/unit/tab.js
@@ -46,7 +46,7 @@ $(function () {
 
   QUnit.test('should activate element by tab id', function (assert) {
     assert.expect(2)
-    var tabsHTML = '<ul class="tabs">'
+    var tabsHTML = '<ul class="nav">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ul>'
@@ -62,7 +62,7 @@ $(function () {
 
   QUnit.test('should activate element by tab id', function (assert) {
     assert.expect(2)
-    var pillsHTML = '<ul class="pills">'
+    var pillsHTML = '<ul class="nav nav-pills">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ul>'
@@ -78,7 +78,7 @@ $(function () {
 
   QUnit.test('should activate element by tab id in ordered list', function (assert) {
     assert.expect(2)
-    var pillsHTML = '<ol class="pills">'
+    var pillsHTML = '<ol class="nav nav-pills">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ol>'
@@ -92,11 +92,43 @@ $(function () {
     assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
   })
 
+  QUnit.test('should activate element by tab id in nav list', function (assert) {
+    assert.expect(2)
+    var tabsHTML =  '<nav class="nav">' +
+                      '<a href="#home">Home</a>' +
+                      '<a href="#profile">Profile</a>' +
+                    '</nav>'
+
+    $('<nav><div id="home"></div><div id="profile"></div></nav>').appendTo('#qunit-fixture')
+
+    $(tabsHTML).find('a:last').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
+
+    $(tabsHTML).find('a:first').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
+  })
+
+  QUnit.test('should activate element by tab id in list group', function (assert) {
+    assert.expect(2)
+    var tabsHTML =  '<div class="list-group">' +
+                      '<a href="#home">Home</a>' +
+                      '<a href="#profile">Profile</a>' +
+                    '</div>'
+
+    $('<nav><div id="home"></div><div id="profile"></div></nav>').appendTo('#qunit-fixture')
+
+    $(tabsHTML).find('a:last').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'profile')
+
+    $(tabsHTML).find('a:first').bootstrapTab('show')
+    assert.strictEqual($('#qunit-fixture').find('.active').attr('id'), 'home')
+  })
+
   QUnit.test('should not fire shown when show is prevented', function (assert) {
     assert.expect(1)
     var done = assert.async()
 
-    $('<div class="tab"/>')
+    $('<div class="nav"/>')
       .on('show.bs.tab', function (e) {
         e.preventDefault()
         assert.ok(true, 'show event fired')
@@ -150,7 +182,7 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var dropHTML = '<ul class="drop">'
+    var dropHTML = '<ul class="drop nav">'
         + '<li class="dropdown"><a data-toggle="dropdown" href="#">1</a>'
         + '<ul class="dropdown-menu">'
         + '<li><a href="#1-1" data-toggle="tab">1-1</a></li>'
@@ -178,7 +210,7 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var tabsHTML = '<ul class="tabs">'
+    var tabsHTML = '<ul class="nav">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ul>'
@@ -209,7 +241,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var tabsHTML = '<ul class="tabs">'
+    var tabsHTML = '<ul class="nav">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ul>'
@@ -234,7 +266,7 @@ $(function () {
     assert.expect(2)
     var done = assert.async()
 
-    var tabsHTML = '<ul class="tabs">'
+    var tabsHTML = '<ul class="nav">'
         + '<li><a href="#home">Home</a></li>'
         + '<li><a href="#profile">Profile</a></li>'
         + '</ul>'
diff --git a/js/tests/unit/tooltip.js b/js/tests/unit/tooltip.js
index 7ff967fab..c0cafefe5 100644
--- a/js/tests/unit/tooltip.js
+++ b/js/tests/unit/tooltip.js
@@ -111,7 +111,7 @@ $(function () {
 
     assert
       .ok($('.tooltip')
-      .is('.fade.bs-tether-element-attached-top.bs-tether-element-attached-center.show'), 'has correct classes applied')
+      .is('.fade.bs-tooltip-bottom.show'), 'has correct classes applied')
 
     $tooltip.bootstrapTooltip('hide')
 
@@ -364,32 +364,29 @@ $(function () {
   })
 
   QUnit.test('should add position class before positioning so that position-specific styles are taken into account', function (assert) {
-    assert.expect(1)
+    assert.expect(2)
+    var done = assert.async()
     var styles = '<style>'
-      + '.tooltip.right { white-space: nowrap; }'
-      + '.tooltip.right .tooltip-inner { max-width: none; }'
+      + '.bs-tooltip-right { white-space: nowrap; }'
+      + '.bs-tooltip-right .tooltip-inner { max-width: none; }'
       + '</style>'
     var $styles = $(styles).appendTo('head')
 
     var $container = $('<div/>').appendTo('#qunit-fixture')
-    var $target = $('<a href="#" rel="tooltip" title="very very very very very very very very long tooltip in one line"/>')
+    $('<a href="#" rel="tooltip" title="very very very very very very very very long tooltip in one line"/>')
       .appendTo($container)
       .bootstrapTooltip({
-        placement: 'right'
+        placement: 'right',
+        trigger: 'manual'
+      })
+      .on('inserted.bs.tooltip', function () {
+        var $tooltip = $($(this).data('bs.tooltip').tip)
+        assert.ok($tooltip.hasClass('bs-tooltip-right'))
+        assert.ok($tooltip.attr('style') === undefined)
+        $styles.remove()
+        done()
       })
       .bootstrapTooltip('show')
-
-    var $tooltip = $($target.data('bs.tooltip').tip)
-
-    // this is some dumb hack stuff because sub pixels in firefox
-    var top = Math.round($target.offset().top + $target[0].offsetHeight / 2 - $tooltip[0].offsetHeight / 2)
-    var top2 = Math.round($tooltip.offset().top)
-    var topDiff = top - top2
-    assert.ok(topDiff <= 1 && topDiff >= -1)
-    $target.bootstrapTooltip('hide')
-
-    $container.remove()
-    $styles.remove()
   })
 
   QUnit.test('should use title attribute for tooltip text', function (assert) {
@@ -459,7 +456,7 @@ $(function () {
     assert.expect(1)
     var done = assert.async()
 
-    var containerHTML = '<div>'
+    var containerHTML = '<div id="test">'
         + '<p style="margin-top: 200px">'
         + '<a href="#" title="very very very very very very very long tooltip">Hover me</a>'
         + '</p>'
@@ -476,21 +473,24 @@ $(function () {
       })
       .appendTo('#qunit-fixture')
 
-    var $trigger = $container
+    $container
       .find('a')
       .css('margin-top', 200)
       .bootstrapTooltip({
         placement: 'top',
         animate: false
       })
+      .on('shown.bs.tooltip', function () {
+        var $tooltip = $($(this).data('bs.tooltip').tip)
+        if (/iPhone|iPad|iPod/.test(navigator.userAgent)) {
+          assert.ok(Math.round($tooltip.offset().top + $tooltip.outerHeight()) <= Math.round($(this).offset().top))
+        }
+        else {
+          assert.ok(Math.round($tooltip.offset().top + $tooltip.outerHeight()) >= Math.round($(this).offset().top))
+        }
+        done()
+      })
       .bootstrapTooltip('show')
-
-    var $tooltip = $($trigger.data('bs.tooltip').tip)
-
-    setTimeout(function () {
-      assert.ok(Math.round($tooltip.offset().top + $tooltip.outerHeight()) <= Math.round($trigger.offset().top))
-      done()
-    }, 0)
   })
 
   QUnit.test('should show tooltip if leave event hasn\'t occurred before delay expires', function (assert) {
@@ -629,45 +629,6 @@ $(function () {
     $tooltip.trigger('mouseenter')
   })
 
-  QUnit.test('should correctly position tooltips on SVG elements', function (assert) {
-    if (!window.SVGElement) {
-      // Skip IE8 since it doesn't support SVG
-      assert.expect(0)
-      return
-    }
-    assert.expect(2)
-
-    var done = assert.async()
-
-    var styles = '<style>'
-        + '.tooltip, .tooltip *, .tooltip *:before, .tooltip *:after { box-sizing: border-box; }'
-        + '.tooltip { position: absolute; }'
-        + '.tooltip .tooltip-inner { width: 24px; height: 24px; font-family: Helvetica; }'
-        + '</style>'
-    var $styles = $(styles).appendTo('head')
-
-    $('#qunit-fixture').append(
-        '<div style="position: fixed; top: 0; left: 0;">'
-      + '  <svg width="200" height="200">'
-      + '    <circle cx="100" cy="100" r="10" title="m" id="theCircle" />'
-      + '  </svg>'
-      + '</div>')
-    var $circle = $('#theCircle')
-
-    $circle
-      .on('shown.bs.tooltip', function () {
-        var offset = $('.tooltip').offset()
-        $styles.remove()
-        assert.ok(Math.abs(offset.left - 88) <= 1, 'tooltip has correct horizontal location')
-        $circle.bootstrapTooltip('hide')
-        assert.strictEqual($('.tooltip').length, 0, 'tooltip removed from dom')
-        done()
-      })
-      .bootstrapTooltip({ placement: 'top', trigger: 'manual' })
-
-    $circle.bootstrapTooltip('show')
-  })
-
   QUnit.test('should not reload the tooltip on subsequent mouseenter events', function (assert) {
     assert.expect(1)
     var titleHtml = function () {
@@ -731,43 +692,6 @@ $(function () {
     assert.strictEqual(currentUid, $('#tt-content').text())
   })
 
-  QUnit.test('should correctly position tooltips on transformed elements', function (assert) {
-    var styleProps = document.documentElement.style
-    if (!('transform' in styleProps) && !('webkitTransform' in styleProps) && !('msTransform' in styleProps)) {
-      assert.expect(0)
-      return
-    }
-    assert.expect(2)
-
-    var done = assert.async()
-
-    var styles = '<style>'
-        + '#qunit-fixture { top: 0; left: 0; }'
-        + '.tooltip, .tooltip *, .tooltip *:before, .tooltip *:after { box-sizing: border-box; }'
-        + '.tooltip { position: absolute; }'
-        + '.tooltip .tooltip-inner { width: 24px; height: 24px; font-family: Helvetica; }'
-        + '#target { position: absolute; top: 100px; left: 50px; width: 100px; height: 200px; -webkit-transform: rotate(270deg); -ms-transform: rotate(270deg); transform: rotate(270deg); }'
-        + '</style>'
-    var $styles = $(styles).appendTo('head')
-
-    var $element = $('<div id="target" title="1"/>').appendTo('#qunit-fixture')
-
-    $element
-      .on('shown.bs.tooltip', function () {
-        var offset = $('.tooltip').offset()
-        $styles.remove()
-        assert.ok(Math.abs(offset.left - 88) <= 1, 'tooltip has correct horizontal location')
-        assert.ok(Math.abs(offset.top - 126) <= 1, 'tooltip has correct vertical location')
-        $element.bootstrapTooltip('hide')
-        done()
-      })
-      .bootstrapTooltip({
-        trigger: 'manual'
-      })
-
-    $element.bootstrapTooltip('show')
-  })
-
   QUnit.test('should do nothing when an attempt is made to hide an uninitialized tooltip', function (assert) {
     assert.expect(1)
 
@@ -839,4 +763,67 @@ $(function () {
     assert.ok(showingTooltip(), 'tooltip is faded in again')
   })
 
+  QUnit.test('should hide tooltip when their containing modal is closed', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var templateHTML = '<div id="modal-test" class="modal">' +
+                          '<div class="modal-dialog" role="document">' +
+                            '<div class="modal-content">' +
+                              '<div class="modal-body">' +
+                                '<a id="tooltipTest" href="#" data-toggle="tooltip" title="Some tooltip text!">Tooltip</a>' +
+                              '</div>' +
+                            '</div>' +
+                          '</div>' +
+                        '</div>'
+
+    $(templateHTML).appendTo('#qunit-fixture')
+    $('#tooltipTest')
+      .bootstrapTooltip({ trigger: 'manuel' })
+      .on('shown.bs.tooltip', function () {
+        $('#modal-test').modal('hide')
+      })
+      .on('hide.bs.tooltip', function () {
+        assert.ok(true, 'tooltip hide')
+        done()
+      })
+
+    $('#modal-test')
+      .on('shown.bs.modal', function () {
+        $('#tooltipTest').bootstrapTooltip('show')
+      })
+      .modal('show')
+  })
+
+  QUnit.test('should reset tip classes when hidden event triggered', function (assert) {
+    assert.expect(2)
+    var done = assert.async()
+    var $el = $('<a href="#" rel="tooltip" title="Test tooltip"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapTooltip('show')
+      .on('hidden.bs.tooltip', function () {
+        var tooltip = $el.data('bs.tooltip')
+        var $tooltip = $(tooltip.getTipElement())
+        assert.ok($tooltip.hasClass('tooltip'))
+        assert.ok($tooltip.hasClass('fade'))
+        done()
+      })
+
+    $el.bootstrapTooltip('hide')
+  })
+
+  QUnit.test('should convert number in title to string', function (assert) {
+    assert.expect(1)
+    var done = assert.async()
+    var $el = $('<a href="#" rel="tooltip" title="7"/>')
+      .appendTo('#qunit-fixture')
+      .bootstrapTooltip('show')
+      .on('shown.bs.tooltip', function () {
+        var tooltip = $el.data('bs.tooltip')
+        var $tooltip = $(tooltip.getTipElement())
+        assert.strictEqual($tooltip.children().text(), '7')
+        done()
+      })
+
+    $el.bootstrapTooltip('show')
+  })
 })
diff --git a/js/tests/vendor/jquery.min.js b/js/tests/vendor/jquery.min.js
deleted file mode 100644
index 4c5be4c0f..000000000
--- a/js/tests/vendor/jquery.min.js
+++ /dev/null
@@ -1,4 +0,0 @@
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diff --git a/js/tests/vendor/qunit.css b/js/tests/vendor/qunit.css
index 5d19d7406..90e1269f1 100644
--- a/js/tests/vendor/qunit.css
+++ b/js/tests/vendor/qunit.css
@@ -1,12 +1,12 @@
 /*!
- * QUnit 2.0.1
+ * QUnit 2.2.0
  * https://qunitjs.com/
  *
  * Copyright jQuery Foundation and other contributors
  * Released under the MIT license
  * https://jquery.org/license
  *
- * Date: 2016-07-23T19:39Z
+ * Date: 2017-03-11T16:19Z
  */
 
 /** Font Family and Sizes */
@@ -226,7 +226,8 @@
 #qunit-tests li.running,
 #qunit-tests li.pass,
 #qunit-tests li.fail,
-#qunit-tests li.skipped {
+#qunit-tests li.skipped,
+#qunit-tests li.aborted {
 	display: list-item;
 }
 
@@ -374,12 +375,16 @@
 
 #qunit-banner.qunit-fail                    { background-color: #EE5757; }
 
+
+/*** Aborted tests */
+#qunit-tests .aborted { color: #000; background-color: orange; }
 /*** Skipped tests */
 
 #qunit-tests .skipped {
 	background-color: #EBECE9;
 }
 
+#qunit-tests .qunit-todo-label,
 #qunit-tests .qunit-skipped-label {
 	background-color: #F4FF77;
 	display: inline-block;
@@ -390,19 +395,35 @@
 	margin: -0.4em 0.4em -0.4em 0;
 }
 
+#qunit-tests .qunit-todo-label {
+	background-color: #EEE;
+}
+
 /** Result */
 
 #qunit-testresult {
-	padding: 0.5em 1em 0.5em 1em;
-
 	color: #2B81AF;
 	background-color: #D2E0E6;
 
 	border-bottom: 1px solid #FFF;
 }
+#qunit-testresult .clearfix {
+	height: 0;
+	clear: both;
+}
 #qunit-testresult .module-name {
 	font-weight: 700;
 }
+#qunit-testresult-display {
+	padding: 0.5em 1em 0.5em 1em;
+	width: 85%;
+	float:left;
+}
+#qunit-testresult-controls {
+	padding: 0.5em 1em 0.5em 1em;
+  width: 10%;
+	float:left;
+}
 
 /** Fixture */
 
diff --git a/js/tests/vendor/qunit.js b/js/tests/vendor/qunit.js
index 47c904cf3..b399f417c 100644
--- a/js/tests/vendor/qunit.js
+++ b/js/tests/vendor/qunit.js
@@ -1,4437 +1,4841 @@
 /*!
- * QUnit 2.0.1
+ * QUnit 2.2.0
  * https://qunitjs.com/
  *
  * Copyright jQuery Foundation and other contributors
  * Released under the MIT license
  * https://jquery.org/license
  *
- * Date: 2016-07-23T19:39Z
+ * Date: 2017-03-11T16:19Z
  */
+(function (global$1) {
+  'use strict';
 
-( function( global ) {
-
-var QUnit = {};
-
-var Date = global.Date;
-var now = Date.now || function() {
-	return new Date().getTime();
-};
-
-var setTimeout = global.setTimeout;
-var clearTimeout = global.clearTimeout;
-
-// Store a local window from the global to allow direct references.
-var window = global.window;
-
-var defined = {
-	document: window && window.document !== undefined,
-	setTimeout: setTimeout !== undefined,
-	sessionStorage: ( function() {
-		var x = "qunit-test-string";
-		try {
-			sessionStorage.setItem( x, x );
-			sessionStorage.removeItem( x );
-			return true;
-		} catch ( e ) {
-			return false;
-		}
-	}() )
-};
-
-var fileName = ( sourceFromStacktrace( 0 ) || "" ).replace( /(:\d+)+\)?/, "" ).replace( /.+\//, "" );
-var globalStartCalled = false;
-var runStarted = false;
-
-var autorun = false;
-
-var toString = Object.prototype.toString,
-	hasOwn = Object.prototype.hasOwnProperty;
-
-// Returns a new Array with the elements that are in a but not in b
-function diff( a, b ) {
-	var i, j,
-		result = a.slice();
-
-	for ( i = 0; i < result.length; i++ ) {
-		for ( j = 0; j < b.length; j++ ) {
-			if ( result[ i ] === b[ j ] ) {
-				result.splice( i, 1 );
-				i--;
-				break;
-			}
-		}
-	}
-	return result;
-}
-
-// From jquery.js
-function inArray( elem, array ) {
-	if ( array.indexOf ) {
-		return array.indexOf( elem );
-	}
-
-	for ( var i = 0, length = array.length; i < length; i++ ) {
-		if ( array[ i ] === elem ) {
-			return i;
-		}
-	}
-
-	return -1;
-}
-
-/**
- * Makes a clone of an object using only Array or Object as base,
- * and copies over the own enumerable properties.
- *
- * @param {Object} obj
- * @return {Object} New object with only the own properties (recursively).
- */
-function objectValues ( obj ) {
-	var key, val,
-		vals = QUnit.is( "array", obj ) ? [] : {};
-	for ( key in obj ) {
-		if ( hasOwn.call( obj, key ) ) {
-			val = obj[ key ];
-			vals[ key ] = val === Object( val ) ? objectValues( val ) : val;
-		}
-	}
-	return vals;
-}
-
-function extend( a, b, undefOnly ) {
-	for ( var prop in b ) {
-		if ( hasOwn.call( b, prop ) ) {
-			if ( b[ prop ] === undefined ) {
-				delete a[ prop ];
-			} else if ( !( undefOnly && typeof a[ prop ] !== "undefined" ) ) {
-				a[ prop ] = b[ prop ];
-			}
-		}
-	}
-
-	return a;
-}
-
-function objectType( obj ) {
-	if ( typeof obj === "undefined" ) {
-		return "undefined";
-	}
-
-	// Consider: typeof null === object
-	if ( obj === null ) {
-		return "null";
-	}
-
-	var match = toString.call( obj ).match( /^\[object\s(.*)\]$/ ),
-		type = match && match[ 1 ];
-
-	switch ( type ) {
-		case "Number":
-			if ( isNaN( obj ) ) {
-				return "nan";
-			}
-			return "number";
-		case "String":
-		case "Boolean":
-		case "Array":
-		case "Set":
-		case "Map":
-		case "Date":
-		case "RegExp":
-		case "Function":
-		case "Symbol":
-			return type.toLowerCase();
-	}
-	if ( typeof obj === "object" ) {
-		return "object";
-	}
-}
-
-// Safe object type checking
-function is( type, obj ) {
-	return QUnit.objectType( obj ) === type;
-}
-
-// Doesn't support IE9, it will return undefined on these browsers
-// See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
-function extractStacktrace( e, offset ) {
-	offset = offset === undefined ? 4 : offset;
-
-	var stack, include, i;
-
-	if ( e.stack ) {
-		stack = e.stack.split( "\n" );
-		if ( /^error$/i.test( stack[ 0 ] ) ) {
-			stack.shift();
-		}
-		if ( fileName ) {
-			include = [];
-			for ( i = offset; i < stack.length; i++ ) {
-				if ( stack[ i ].indexOf( fileName ) !== -1 ) {
-					break;
-				}
-				include.push( stack[ i ] );
-			}
-			if ( include.length ) {
-				return include.join( "\n" );
-			}
-		}
-		return stack[ offset ];
-	}
-}
-
-function sourceFromStacktrace( offset ) {
-	var error = new Error();
-
-	// Support: Safari <=7 only, IE <=10 - 11 only
-	// Not all browsers generate the `stack` property for `new Error()`, see also #636
-	if ( !error.stack ) {
-		try {
-			throw error;
-		} catch ( err ) {
-			error = err;
-		}
-	}
-
-	return extractStacktrace( error, offset );
-}
-
-/**
- * Config object: Maintain internal state
- * Later exposed as QUnit.config
- * `config` initialized at top of scope
- */
-var config = {
+  global$1 = 'default' in global$1 ? global$1['default'] : global$1;
 
-	// The queue of tests to run
-	queue: [],
+  var window = global$1.window;
+  var console = global$1.console;
+  var setTimeout = global$1.setTimeout;
+  var clearTimeout = global$1.clearTimeout;
 
-	// Block until document ready
-	blocking: true,
+  var document = window && window.document;
+  var navigator = window && window.navigator;
 
-	// By default, run previously failed tests first
-	// very useful in combination with "Hide passed tests" checked
-	reorder: true,
-
-	// By default, modify document.title when suite is done
-	altertitle: true,
-
-	// HTML Reporter: collapse every test except the first failing test
-	// If false, all failing tests will be expanded
-	collapse: true,
-
-	// By default, scroll to top of the page when suite is done
-	scrolltop: true,
-
-	// Depth up-to which object will be dumped
-	maxDepth: 5,
-
-	// When enabled, all tests must call expect()
-	requireExpects: false,
-
-	// Placeholder for user-configurable form-exposed URL parameters
-	urlConfig: [],
-
-	// Set of all modules.
-	modules: [],
-
-	// Stack of nested modules
-	moduleStack: [],
-
-	// The first unnamed module
-	currentModule: {
-		name: "",
-		tests: []
-	},
-
-	callbacks: {}
-};
-
-// Push a loose unnamed module to the modules collection
-config.modules.push( config.currentModule );
-
-// Register logging callbacks
-function registerLoggingCallbacks( obj ) {
-	var i, l, key,
-		callbackNames = [ "begin", "done", "log", "testStart", "testDone",
-			"moduleStart", "moduleDone" ];
-
-	function registerLoggingCallback( key ) {
-		var loggingCallback = function( callback ) {
-			if ( objectType( callback ) !== "function" ) {
-				throw new Error(
-					"QUnit logging methods require a callback function as their first parameters."
-				);
-			}
-
-			config.callbacks[ key ].push( callback );
-		};
-
-		return loggingCallback;
-	}
-
-	for ( i = 0, l = callbackNames.length; i < l; i++ ) {
-		key = callbackNames[ i ];
-
-		// Initialize key collection of logging callback
-		if ( objectType( config.callbacks[ key ] ) === "undefined" ) {
-			config.callbacks[ key ] = [];
-		}
-
-		obj[ key ] = registerLoggingCallback( key );
-	}
-}
-
-function runLoggingCallbacks( key, args ) {
-	var i, l, callbacks;
-
-	callbacks = config.callbacks[ key ];
-	for ( i = 0, l = callbacks.length; i < l; i++ ) {
-		callbacks[ i ]( args );
-	}
-}
-
-( function() {
-	if ( !defined.document ) {
-		return;
-	}
-
-	// `onErrorFnPrev` initialized at top of scope
-	// Preserve other handlers
-	var onErrorFnPrev = window.onerror;
-
-	// Cover uncaught exceptions
-	// Returning true will suppress the default browser handler,
-	// returning false will let it run.
-	window.onerror = function( error, filePath, linerNr ) {
-		var ret = false;
-		if ( onErrorFnPrev ) {
-			ret = onErrorFnPrev( error, filePath, linerNr );
-		}
-
-		// Treat return value as window.onerror itself does,
-		// Only do our handling if not suppressed.
-		if ( ret !== true ) {
-			if ( QUnit.config.current ) {
-				if ( QUnit.config.current.ignoreGlobalErrors ) {
-					return true;
-				}
-				QUnit.pushFailure( error, filePath + ":" + linerNr );
-			} else {
-				QUnit.test( "global failure", extend( function() {
-					QUnit.pushFailure( error, filePath + ":" + linerNr );
-				}, { validTest: true } ) );
-			}
-			return false;
-		}
-
-		return ret;
-	};
-}() );
-
-// Figure out if we're running the tests from a server or not
-QUnit.isLocal = !( defined.document && window.location.protocol !== "file:" );
-
-// Expose the current QUnit version
-QUnit.version = "2.0.1";
-
-extend( QUnit, {
-
-	// Call on start of module test to prepend name to all tests
-	module: function( name, testEnvironment, executeNow ) {
-		var module, moduleFns;
-		var currentModule = config.currentModule;
-
-		if ( arguments.length === 2 ) {
-			if ( objectType( testEnvironment ) === "function" ) {
-				executeNow = testEnvironment;
-				testEnvironment = undefined;
-			}
-		}
-
-		module = createModule();
-
-		if ( testEnvironment && ( testEnvironment.setup || testEnvironment.teardown ) ) {
-			console.warn(
-				"Module's `setup` and `teardown` are not hooks anymore on QUnit 2.0, use " +
-				"`beforeEach` and `afterEach` instead\n" +
-				"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-			);
-		}
-
-		moduleFns = {
-			before: setHook( module, "before" ),
-			beforeEach: setHook( module, "beforeEach" ),
-			afterEach: setHook( module, "afterEach" ),
-			after: setHook( module, "after" )
-		};
-
-		if ( objectType( executeNow ) === "function" ) {
-			config.moduleStack.push( module );
-			setCurrentModule( module );
-			executeNow.call( module.testEnvironment, moduleFns );
-			config.moduleStack.pop();
-			module = module.parentModule || currentModule;
-		}
-
-		setCurrentModule( module );
-
-		function createModule() {
-			var parentModule = config.moduleStack.length ?
-				config.moduleStack.slice( -1 )[ 0 ] : null;
-			var moduleName = parentModule !== null ?
-				[ parentModule.name, name ].join( " > " ) : name;
-			var module = {
-				name: moduleName,
-				parentModule: parentModule,
-				tests: [],
-				moduleId: generateHash( moduleName ),
-				testsRun: 0
-			};
-
-			var env = {};
-			if ( parentModule ) {
-				parentModule.childModule = module;
-				extend( env, parentModule.testEnvironment );
-				delete env.beforeEach;
-				delete env.afterEach;
-			}
-			extend( env, testEnvironment );
-			module.testEnvironment = env;
-
-			config.modules.push( module );
-			return module;
-		}
-
-		function setCurrentModule( module ) {
-			config.currentModule = module;
-		}
-
-	},
-
-	test: test,
-
-	skip: skip,
-
-	only: only,
-
-	start: function( count ) {
-		var globalStartAlreadyCalled = globalStartCalled;
-
-		if ( !config.current ) {
-			globalStartCalled = true;
-
-			if ( runStarted ) {
-				throw new Error( "Called start() while test already started running" );
-			} else if ( globalStartAlreadyCalled || count > 1 ) {
-				throw new Error( "Called start() outside of a test context too many times" );
-			} else if ( config.autostart ) {
-				throw new Error( "Called start() outside of a test context when " +
-					"QUnit.config.autostart was true" );
-			} else if ( !config.pageLoaded ) {
-
-				// The page isn't completely loaded yet, so bail out and let `QUnit.load` handle it
-				config.autostart = true;
-				return;
-			}
-		} else {
-			throw new Error(
-				"QUnit.start cannot be called inside a test context. This feature is removed in " +
-				"QUnit 2.0. For async tests, use QUnit.test() with assert.async() instead.\n" +
-				"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-			);
-		}
-
-		scheduleBegin();
-	},
-
-	config: config,
-
-	is: is,
-
-	objectType: objectType,
-
-	extend: extend,
-
-	load: function() {
-		config.pageLoaded = true;
-
-		// Initialize the configuration options
-		extend( config, {
-			stats: { all: 0, bad: 0 },
-			moduleStats: { all: 0, bad: 0 },
-			started: 0,
-			updateRate: 1000,
-			autostart: true,
-			filter: ""
-		}, true );
-
-		if ( !runStarted ) {
-			config.blocking = false;
-
-			if ( config.autostart ) {
-				scheduleBegin();
-			}
-		}
-	},
-
-	stack: function( offset ) {
-		offset = ( offset || 0 ) + 2;
-		return sourceFromStacktrace( offset );
-	}
-} );
-
-registerLoggingCallbacks( QUnit );
-
-function scheduleBegin() {
-
-	runStarted = true;
-
-	// Add a slight delay to allow definition of more modules and tests.
-	if ( defined.setTimeout ) {
-		setTimeout( function() {
-			begin();
-		}, 13 );
-	} else {
-		begin();
-	}
-}
-
-function begin() {
-	var i, l,
-		modulesLog = [];
-
-	// If the test run hasn't officially begun yet
-	if ( !config.started ) {
-
-		// Record the time of the test run's beginning
-		config.started = now();
-
-		// Delete the loose unnamed module if unused.
-		if ( config.modules[ 0 ].name === "" && config.modules[ 0 ].tests.length === 0 ) {
-			config.modules.shift();
-		}
-
-		// Avoid unnecessary information by not logging modules' test environments
-		for ( i = 0, l = config.modules.length; i < l; i++ ) {
-			modulesLog.push( {
-				name: config.modules[ i ].name,
-				tests: config.modules[ i ].tests
-			} );
-		}
-
-		// The test run is officially beginning now
-		runLoggingCallbacks( "begin", {
-			totalTests: Test.count,
-			modules: modulesLog
-		} );
-	}
-
-	config.blocking = false;
-	process( true );
-}
-
-function process( last ) {
-	function next() {
-		process( last );
-	}
-	var start = now();
-	config.depth = ( config.depth || 0 ) + 1;
-
-	while ( config.queue.length && !config.blocking ) {
-		if ( !defined.setTimeout || config.updateRate <= 0 ||
-				( ( now() - start ) < config.updateRate ) ) {
-			if ( config.current ) {
-
-				// Reset async tracking for each phase of the Test lifecycle
-				config.current.usedAsync = false;
-			}
-			config.queue.shift()();
-		} else {
-			setTimeout( next, 13 );
-			break;
-		}
-	}
-	config.depth--;
-	if ( last && !config.blocking && !config.queue.length && config.depth === 0 ) {
-		done();
-	}
-}
-
-function done() {
-	var runtime, passed;
-
-	autorun = true;
-
-	// Log the last module results
-	if ( config.previousModule ) {
-		runLoggingCallbacks( "moduleDone", {
-			name: config.previousModule.name,
-			tests: config.previousModule.tests,
-			failed: config.moduleStats.bad,
-			passed: config.moduleStats.all - config.moduleStats.bad,
-			total: config.moduleStats.all,
-			runtime: now() - config.moduleStats.started
-		} );
-	}
-	delete config.previousModule;
-
-	runtime = now() - config.started;
-	passed = config.stats.all - config.stats.bad;
-
-	runLoggingCallbacks( "done", {
-		failed: config.stats.bad,
-		passed: passed,
-		total: config.stats.all,
-		runtime: runtime
-	} );
-}
-
-function setHook( module, hookName ) {
-	if ( module.testEnvironment === undefined ) {
-		module.testEnvironment = {};
-	}
-
-	return function( callback ) {
-		module.testEnvironment[ hookName ] = callback;
-	};
-}
-
-var unitSampler,
-	focused = false,
-	priorityCount = 0;
-
-function Test( settings ) {
-	var i, l;
-
-	++Test.count;
-
-	this.expected = null;
-	extend( this, settings );
-	this.assertions = [];
-	this.semaphore = 0;
-	this.usedAsync = false;
-	this.module = config.currentModule;
-	this.stack = sourceFromStacktrace( 3 );
-
-	// Register unique strings
-	for ( i = 0, l = this.module.tests; i < l.length; i++ ) {
-		if ( this.module.tests[ i ].name === this.testName ) {
-			this.testName += " ";
-		}
-	}
-
-	this.testId = generateHash( this.module.name, this.testName );
-
-	this.module.tests.push( {
-		name: this.testName,
-		testId: this.testId
-	} );
-
-	if ( settings.skip ) {
-
-		// Skipped tests will fully ignore any sent callback
-		this.callback = function() {};
-		this.async = false;
-		this.expected = 0;
-	} else {
-		this.assert = new Assert( this );
-	}
-}
-
-Test.count = 0;
-
-Test.prototype = {
-	before: function() {
-		if (
-
-			// Emit moduleStart when we're switching from one module to another
-			this.module !== config.previousModule ||
-
-				// They could be equal (both undefined) but if the previousModule property doesn't
-				// yet exist it means this is the first test in a suite that isn't wrapped in a
-				// module, in which case we'll just emit a moduleStart event for 'undefined'.
-				// Without this, reporters can get testStart before moduleStart  which is a problem.
-				!hasOwn.call( config, "previousModule" )
-		) {
-			if ( hasOwn.call( config, "previousModule" ) ) {
-				runLoggingCallbacks( "moduleDone", {
-					name: config.previousModule.name,
-					tests: config.previousModule.tests,
-					failed: config.moduleStats.bad,
-					passed: config.moduleStats.all - config.moduleStats.bad,
-					total: config.moduleStats.all,
-					runtime: now() - config.moduleStats.started
-				} );
-			}
-			config.previousModule = this.module;
-			config.moduleStats = { all: 0, bad: 0, started: now() };
-			runLoggingCallbacks( "moduleStart", {
-				name: this.module.name,
-				tests: this.module.tests
-			} );
-		}
-
-		config.current = this;
-
-		if ( this.module.testEnvironment ) {
-			delete this.module.testEnvironment.before;
-			delete this.module.testEnvironment.beforeEach;
-			delete this.module.testEnvironment.afterEach;
-			delete this.module.testEnvironment.after;
-		}
-		this.testEnvironment = extend( {}, this.module.testEnvironment );
-
-		this.started = now();
-		runLoggingCallbacks( "testStart", {
-			name: this.testName,
-			module: this.module.name,
-			testId: this.testId
-		} );
-
-		if ( !config.pollution ) {
-			saveGlobal();
-		}
-	},
-
-	run: function() {
-		var promise;
-
-		config.current = this;
-
-		this.callbackStarted = now();
-
-		if ( config.notrycatch ) {
-			runTest( this );
-			return;
-		}
-
-		try {
-			runTest( this );
-		} catch ( e ) {
-			this.pushFailure( "Died on test #" + ( this.assertions.length + 1 ) + " " +
-				this.stack + ": " + ( e.message || e ), extractStacktrace( e, 0 ) );
-
-			// Else next test will carry the responsibility
-			saveGlobal();
-
-			// Restart the tests if they're blocking
-			if ( config.blocking ) {
-				internalRecover( this );
-			}
-		}
-
-		function runTest( test ) {
-			promise = test.callback.call( test.testEnvironment, test.assert );
-			test.resolvePromise( promise );
-		}
-	},
-
-	after: function() {
-		checkPollution();
-	},
-
-	queueHook: function( hook, hookName, hookOwner ) {
-		var promise,
-			test = this;
-		return function runHook() {
-			if ( hookName === "before" ) {
-				if ( hookOwner.testsRun !== 0 ) {
-					return;
-				}
-
-				test.preserveEnvironment = true;
-			}
-
-			if ( hookName === "after" && hookOwner.testsRun !== numberOfTests( hookOwner ) - 1 ) {
-				return;
-			}
-
-			config.current = test;
-			if ( config.notrycatch ) {
-				callHook();
-				return;
-			}
-			try {
-				callHook();
-			} catch ( error ) {
-				test.pushFailure( hookName + " failed on " + test.testName + ": " +
-				( error.message || error ), extractStacktrace( error, 0 ) );
-			}
-
-			function callHook() {
-				promise = hook.call( test.testEnvironment, test.assert );
-				test.resolvePromise( promise, hookName );
-			}
-		};
-	},
-
-	// Currently only used for module level hooks, can be used to add global level ones
-	hooks: function( handler ) {
-		var hooks = [];
-
-		function processHooks( test, module ) {
-			if ( module.parentModule ) {
-				processHooks( test, module.parentModule );
-			}
-			if ( module.testEnvironment &&
-				QUnit.objectType( module.testEnvironment[ handler ] ) === "function" ) {
-				hooks.push( test.queueHook( module.testEnvironment[ handler ], handler, module ) );
-			}
-		}
-
-		// Hooks are ignored on skipped tests
-		if ( !this.skip ) {
-			processHooks( this, this.module );
-		}
-		return hooks;
-	},
-
-	finish: function() {
-		config.current = this;
-		if ( config.requireExpects && this.expected === null ) {
-			this.pushFailure( "Expected number of assertions to be defined, but expect() was " +
-				"not called.", this.stack );
-		} else if ( this.expected !== null && this.expected !== this.assertions.length ) {
-			this.pushFailure( "Expected " + this.expected + " assertions, but " +
-				this.assertions.length + " were run", this.stack );
-		} else if ( this.expected === null && !this.assertions.length ) {
-			this.pushFailure( "Expected at least one assertion, but none were run - call " +
-				"expect(0) to accept zero assertions.", this.stack );
-		}
-
-		var i,
-			skipped = !!this.skip,
-			bad = 0;
-
-		this.runtime = now() - this.started;
-
-		config.stats.all += this.assertions.length;
-		config.moduleStats.all += this.assertions.length;
-
-		for ( i = 0; i < this.assertions.length; i++ ) {
-			if ( !this.assertions[ i ].result ) {
-				bad++;
-				config.stats.bad++;
-				config.moduleStats.bad++;
-			}
-		}
-
-		notifyTestsRan( this.module );
-		runLoggingCallbacks( "testDone", {
-			name: this.testName,
-			module: this.module.name,
-			skipped: skipped,
-			failed: bad,
-			passed: this.assertions.length - bad,
-			total: this.assertions.length,
-			runtime: skipped ? 0 : this.runtime,
-
-			// HTML Reporter use
-			assertions: this.assertions,
-			testId: this.testId,
-
-			// Source of Test
-			source: this.stack
-		} );
-
-		config.current = undefined;
-	},
-
-	preserveTestEnvironment: function() {
-		if ( this.preserveEnvironment ) {
-			this.module.testEnvironment = this.testEnvironment;
-			this.testEnvironment = extend( {}, this.module.testEnvironment );
-		}
-	},
-
-	queue: function() {
-		var priority,
-			test = this;
-
-		if ( !this.valid() ) {
-			return;
-		}
-
-		function run() {
-
-			// Each of these can by async
-			synchronize( [
-				function() {
-					test.before();
-				},
-
-				test.hooks( "before" ),
-
-				function() {
-					test.preserveTestEnvironment();
-				},
-
-				test.hooks( "beforeEach" ),
-
-				function() {
-					test.run();
-				},
-
-				test.hooks( "afterEach" ).reverse(),
-				test.hooks( "after" ).reverse(),
-
-				function() {
-					test.after();
-				},
-
-				function() {
-					test.finish();
-				}
-			] );
-		}
-
-		// Prioritize previously failed tests, detected from sessionStorage
-		priority = QUnit.config.reorder && defined.sessionStorage &&
-				+sessionStorage.getItem( "qunit-test-" + this.module.name + "-" + this.testName );
-
-		return synchronize( run, priority, config.seed );
-	},
-
-	pushResult: function( resultInfo ) {
-
-		// Destructure of resultInfo = { result, actual, expected, message, negative }
-		var source,
-			details = {
-				module: this.module.name,
-				name: this.testName,
-				result: resultInfo.result,
-				message: resultInfo.message,
-				actual: resultInfo.actual,
-				expected: resultInfo.expected,
-				testId: this.testId,
-				negative: resultInfo.negative || false,
-				runtime: now() - this.started
-			};
-
-		if ( !resultInfo.result ) {
-			source = sourceFromStacktrace();
-
-			if ( source ) {
-				details.source = source;
-			}
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push( {
-			result: !!resultInfo.result,
-			message: resultInfo.message
-		} );
-	},
-
-	pushFailure: function( message, source, actual ) {
-		if ( !( this instanceof Test ) ) {
-			throw new Error( "pushFailure() assertion outside test context, was " +
-				sourceFromStacktrace( 2 ) );
-		}
-
-		var details = {
-				module: this.module.name,
-				name: this.testName,
-				result: false,
-				message: message || "error",
-				actual: actual || null,
-				testId: this.testId,
-				runtime: now() - this.started
-			};
-
-		if ( source ) {
-			details.source = source;
-		}
-
-		runLoggingCallbacks( "log", details );
-
-		this.assertions.push( {
-			result: false,
-			message: message
-		} );
-	},
-
-	resolvePromise: function( promise, phase ) {
-		var then, resume, message,
-			test = this;
-		if ( promise != null ) {
-			then = promise.then;
-			if ( QUnit.objectType( then ) === "function" ) {
-				resume = internalStop( test );
-				then.call(
-					promise,
-					function() { resume(); },
-					function( error ) {
-						message = "Promise rejected " +
-							( !phase ? "during" : phase.replace( /Each$/, "" ) ) +
-							" " + test.testName + ": " + ( error.message || error );
-						test.pushFailure( message, extractStacktrace( error, 0 ) );
-
-						// Else next test will carry the responsibility
-						saveGlobal();
-
-						// Unblock
-						resume();
-					}
-				);
-			}
-		}
-	},
-
-	valid: function() {
-		var filter = config.filter,
-			regexFilter = /^(!?)\/([\w\W]*)\/(i?$)/.exec( filter ),
-			module = config.module && config.module.toLowerCase(),
-			fullName = ( this.module.name + ": " + this.testName );
-
-		function moduleChainNameMatch( testModule ) {
-			var testModuleName = testModule.name ? testModule.name.toLowerCase() : null;
-			if ( testModuleName === module ) {
-				return true;
-			} else if ( testModule.parentModule ) {
-				return moduleChainNameMatch( testModule.parentModule );
-			} else {
-				return false;
-			}
-		}
-
-		function moduleChainIdMatch( testModule ) {
-			return inArray( testModule.moduleId, config.moduleId ) > -1 ||
-				testModule.parentModule && moduleChainIdMatch( testModule.parentModule );
-		}
-
-		// Internally-generated tests are always valid
-		if ( this.callback && this.callback.validTest ) {
-			return true;
-		}
-
-		if ( config.moduleId && config.moduleId.length > 0 &&
-			!moduleChainIdMatch( this.module ) ) {
-
-			return false;
-		}
-
-		if ( config.testId && config.testId.length > 0 &&
-			inArray( this.testId, config.testId ) < 0 ) {
-
-			return false;
-		}
-
-		if ( module && !moduleChainNameMatch( this.module ) ) {
-			return false;
-		}
-
-		if ( !filter ) {
-			return true;
-		}
-
-		return regexFilter ?
-			this.regexFilter( !!regexFilter[ 1 ], regexFilter[ 2 ], regexFilter[ 3 ], fullName ) :
-			this.stringFilter( filter, fullName );
-	},
-
-	regexFilter: function( exclude, pattern, flags, fullName ) {
-		var regex = new RegExp( pattern, flags );
-		var match = regex.test( fullName );
-
-		return match !== exclude;
-	},
-
-	stringFilter: function( filter, fullName ) {
-		filter = filter.toLowerCase();
-		fullName = fullName.toLowerCase();
-
-		var include = filter.charAt( 0 ) !== "!";
-		if ( !include ) {
-			filter = filter.slice( 1 );
-		}
-
-		// If the filter matches, we need to honour include
-		if ( fullName.indexOf( filter ) !== -1 ) {
-			return include;
-		}
-
-		// Otherwise, do the opposite
-		return !include;
-	}
-};
-
-QUnit.pushFailure = function() {
-	if ( !QUnit.config.current ) {
-		throw new Error( "pushFailure() assertion outside test context, in " +
-			sourceFromStacktrace( 2 ) );
-	}
-
-	// Gets current test obj
-	var currentTest = QUnit.config.current;
-
-	return currentTest.pushFailure.apply( currentTest, arguments );
-};
-
-// Based on Java's String.hashCode, a simple but not
-// rigorously collision resistant hashing function
-function generateHash( module, testName ) {
-	var hex,
-		i = 0,
-		hash = 0,
-		str = module + "\x1C" + testName,
-		len = str.length;
-
-	for ( ; i < len; i++ ) {
-		hash  = ( ( hash << 5 ) - hash ) + str.charCodeAt( i );
-		hash |= 0;
-	}
-
-	// Convert the possibly negative integer hash code into an 8 character hex string, which isn't
-	// strictly necessary but increases user understanding that the id is a SHA-like hash
-	hex = ( 0x100000000 + hash ).toString( 16 );
-	if ( hex.length < 8 ) {
-		hex = "0000000" + hex;
-	}
-
-	return hex.slice( -8 );
-}
-
-function synchronize( callback, priority, seed ) {
-	var last = !priority,
-		index;
-
-	if ( QUnit.objectType( callback ) === "array" ) {
-		while ( callback.length ) {
-			synchronize( callback.shift() );
-		}
-		return;
-	}
-
-	if ( priority ) {
-		config.queue.splice( priorityCount++, 0, callback );
-	} else if ( seed ) {
-		if ( !unitSampler ) {
-			unitSampler = unitSamplerGenerator( seed );
-		}
-
-		// Insert into a random position after all priority items
-		index = Math.floor( unitSampler() * ( config.queue.length - priorityCount + 1 ) );
-		config.queue.splice( priorityCount + index, 0, callback );
-	} else {
-		config.queue.push( callback );
-	}
-
-	if ( autorun && !config.blocking ) {
-		process( last );
-	}
-}
-
-function unitSamplerGenerator( seed ) {
-
-	// 32-bit xorshift, requires only a nonzero seed
-	// http://excamera.com/sphinx/article-xorshift.html
-	var sample = parseInt( generateHash( seed ), 16 ) || -1;
-	return function() {
-		sample ^= sample << 13;
-		sample ^= sample >>> 17;
-		sample ^= sample << 5;
-
-		// ECMAScript has no unsigned number type
-		if ( sample < 0 ) {
-			sample += 0x100000000;
-		}
-
-		return sample / 0x100000000;
-	};
-}
-
-function saveGlobal() {
-	config.pollution = [];
-
-	if ( config.noglobals ) {
-		for ( var key in global ) {
-			if ( hasOwn.call( global, key ) ) {
-
-				// In Opera sometimes DOM element ids show up here, ignore them
-				if ( /^qunit-test-output/.test( key ) ) {
-					continue;
-				}
-				config.pollution.push( key );
-			}
-		}
-	}
-}
-
-function checkPollution() {
-	var newGlobals,
-		deletedGlobals,
-		old = config.pollution;
-
-	saveGlobal();
-
-	newGlobals = diff( config.pollution, old );
-	if ( newGlobals.length > 0 ) {
-		QUnit.pushFailure( "Introduced global variable(s): " + newGlobals.join( ", " ) );
-	}
-
-	deletedGlobals = diff( old, config.pollution );
-	if ( deletedGlobals.length > 0 ) {
-		QUnit.pushFailure( "Deleted global variable(s): " + deletedGlobals.join( ", " ) );
-	}
-}
-
-// Will be exposed as QUnit.test
-function test( testName, callback ) {
-	if ( focused )  { return; }
-
-	var newTest;
-
-	newTest = new Test( {
-		testName: testName,
-		callback: callback
-	} );
-
-	newTest.queue();
-}
-
-// Will be exposed as QUnit.skip
-function skip( testName ) {
-	if ( focused )  { return; }
-
-	var test = new Test( {
-		testName: testName,
-		skip: true
-	} );
-
-	test.queue();
-}
-
-// Will be exposed as QUnit.only
-function only( testName, callback ) {
-	var newTest;
-
-	if ( focused )  { return; }
-
-	QUnit.config.queue.length = 0;
-	focused = true;
-
-	newTest = new Test( {
-		testName: testName,
-		callback: callback
-	} );
-
-	newTest.queue();
-}
-
-// Put a hold on processing and return a function that will release it.
-function internalStop( test ) {
-	var released = false;
-
-	test.semaphore += 1;
-	config.blocking = true;
-
-	// Set a recovery timeout, if so configured.
-	if ( config.testTimeout && defined.setTimeout ) {
-		clearTimeout( config.timeout );
-		config.timeout = setTimeout( function() {
-			QUnit.pushFailure( "Test timed out", sourceFromStacktrace( 2 ) );
-			internalRecover( test );
-		}, config.testTimeout );
-	}
-
-	return function resume() {
-		if ( released ) {
-			return;
-		}
-
-		released = true;
-		test.semaphore -= 1;
-		internalStart( test );
-	};
-}
-
-// Forcefully release all processing holds.
-function internalRecover( test ) {
-	test.semaphore = 0;
-	internalStart( test );
-}
-
-// Release a processing hold, scheduling a resumption attempt if no holds remain.
-function internalStart( test ) {
-
-	// If semaphore is non-numeric, throw error
-	if ( isNaN( test.semaphore ) ) {
-		test.semaphore = 0;
-
-		QUnit.pushFailure(
-			"Invalid value on test.semaphore",
-			sourceFromStacktrace( 2 )
-		);
-		return;
-	}
-
-	// Don't start until equal number of stop-calls
-	if ( test.semaphore > 0 ) {
-		return;
-	}
-
-	// Throw an Error if start is called more often than stop
-	if ( test.semaphore < 0 ) {
-		test.semaphore = 0;
-
-		QUnit.pushFailure(
-			"Tried to restart test while already started (test's semaphore was 0 already)",
-			sourceFromStacktrace( 2 )
-		);
-		return;
-	}
-
-	// Add a slight delay to allow more assertions etc.
-	if ( defined.setTimeout ) {
-		if ( config.timeout ) {
-			clearTimeout( config.timeout );
-		}
-		config.timeout = setTimeout( function() {
-			if ( test.semaphore > 0 ) {
-				return;
-			}
-
-			if ( config.timeout ) {
-				clearTimeout( config.timeout );
-			}
-
-			begin();
-		}, 13 );
-	} else {
-		begin();
-	}
-}
-
-function numberOfTests( module ) {
-	var count = module.tests.length;
-	while ( module = module.childModule ) {
-		count += module.tests.length;
-	}
-	return count;
-}
-
-function notifyTestsRan( module ) {
-	module.testsRun++;
-	while ( module = module.parentModule ) {
-		module.testsRun++;
-	}
-}
-
-function Assert( testContext ) {
-	this.test = testContext;
-}
-
-// Assert helpers
-QUnit.assert = Assert.prototype = {
-
-	// Specify the number of expected assertions to guarantee that failed test
-	// (no assertions are run at all) don't slip through.
-	expect: function( asserts ) {
-		if ( arguments.length === 1 ) {
-			this.test.expected = asserts;
-		} else {
-			return this.test.expected;
-		}
-	},
-
-	// Put a hold on processing and return a function that will release it a maximum of once.
-	async: function( count ) {
-		var resume,
-			test = this.test,
-			popped = false,
-			acceptCallCount = count;
-
-		if ( typeof acceptCallCount === "undefined" ) {
-			acceptCallCount = 1;
-		}
-
-		test.usedAsync = true;
-		resume = internalStop( test );
-
-		return function done() {
-
-			if ( popped ) {
-				test.pushFailure( "Too many calls to the `assert.async` callback",
-					sourceFromStacktrace( 2 ) );
-				return;
-			}
-			acceptCallCount -= 1;
-			if ( acceptCallCount > 0 ) {
-				return;
-			}
-
-			popped = true;
-			resume();
-		};
-	},
-
-	// Exports test.push() to the user API
-	// Alias of pushResult.
-	push: function( result, actual, expected, message, negative ) {
-		var currentAssert = this instanceof Assert ? this : QUnit.config.current.assert;
-		return currentAssert.pushResult( {
-			result: result,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: negative
-		} );
-	},
-
-	pushResult: function( resultInfo ) {
-
-		// Destructure of resultInfo = { result, actual, expected, message, negative }
-		var assert = this,
-			currentTest = ( assert instanceof Assert && assert.test ) || QUnit.config.current;
-
-		// Backwards compatibility fix.
-		// Allows the direct use of global exported assertions and QUnit.assert.*
-		// Although, it's use is not recommended as it can leak assertions
-		// to other tests from async tests, because we only get a reference to the current test,
-		// not exactly the test where assertion were intended to be called.
-		if ( !currentTest ) {
-			throw new Error( "assertion outside test context, in " + sourceFromStacktrace( 2 ) );
-		}
-
-		if ( currentTest.usedAsync === true && currentTest.semaphore === 0 ) {
-			currentTest.pushFailure( "Assertion after the final `assert.async` was resolved",
-				sourceFromStacktrace( 2 ) );
-
-			// Allow this assertion to continue running anyway...
-		}
-
-		if ( !( assert instanceof Assert ) ) {
-			assert = currentTest.assert;
-		}
-
-		return assert.test.pushResult( resultInfo );
-	},
-
-	ok: function( result, message ) {
-		message = message || ( result ? "okay" : "failed, expected argument to be truthy, was: " +
-			QUnit.dump.parse( result ) );
-		this.pushResult( {
-			result: !!result,
-			actual: result,
-			expected: true,
-			message: message
-		} );
-	},
-
-	notOk: function( result, message ) {
-		message = message || ( !result ? "okay" : "failed, expected argument to be falsy, was: " +
-			QUnit.dump.parse( result ) );
-		this.pushResult( {
-			result: !result,
-			actual: result,
-			expected: false,
-			message: message
-		} );
-	},
-
-	equal: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.pushResult( {
-			result: expected == actual,
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notEqual: function( actual, expected, message ) {
-		/*jshint eqeqeq:false */
-		this.pushResult( {
-			result: expected != actual,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	propEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.pushResult( {
-			result: QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notPropEqual: function( actual, expected, message ) {
-		actual = objectValues( actual );
-		expected = objectValues( expected );
-		this.pushResult( {
-			result: !QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	deepEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notDeepEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: !QUnit.equiv( actual, expected ),
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	strictEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: expected === actual,
-			actual: actual,
-			expected: expected,
-			message: message
-		} );
-	},
-
-	notStrictEqual: function( actual, expected, message ) {
-		this.pushResult( {
-			result: expected !== actual,
-			actual: actual,
-			expected: expected,
-			message: message,
-			negative: true
-		} );
-	},
-
-	"throws": function( block, expected, message ) {
-		var actual, expectedType,
-			expectedOutput = expected,
-			ok = false,
-			currentTest = ( this instanceof Assert && this.test ) || QUnit.config.current;
-
-		// 'expected' is optional unless doing string comparison
-		if ( QUnit.objectType( expected ) === "string" ) {
-			if ( message == null ) {
-				message = expected;
-				expected = null;
-			} else {
-				throw new Error(
-					"throws/raises does not accept a string value for the expected argument.\n" +
-					"Use a non-string object value (e.g. regExp) instead if it's necessary." +
-					"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-				);
-			}
-		}
-
-		currentTest.ignoreGlobalErrors = true;
-		try {
-			block.call( currentTest.testEnvironment );
-		} catch ( e ) {
-			actual = e;
-		}
-		currentTest.ignoreGlobalErrors = false;
-
-		if ( actual ) {
-			expectedType = QUnit.objectType( expected );
-
-			// We don't want to validate thrown error
-			if ( !expected ) {
-				ok = true;
-				expectedOutput = null;
-
-			// Expected is a regexp
-			} else if ( expectedType === "regexp" ) {
-				ok = expected.test( errorString( actual ) );
-
-			// Expected is a constructor, maybe an Error constructor
-			} else if ( expectedType === "function" && actual instanceof expected ) {
-				ok = true;
-
-			// Expected is an Error object
-			} else if ( expectedType === "object" ) {
-				ok = actual instanceof expected.constructor &&
-					actual.name === expected.name &&
-					actual.message === expected.message;
-
-			// Expected is a validation function which returns true if validation passed
-			} else if ( expectedType === "function" && expected.call( {}, actual ) === true ) {
-				expectedOutput = null;
-				ok = true;
-			}
-		}
-
-		currentTest.assert.pushResult( {
-			result: ok,
-			actual: actual,
-			expected: expectedOutput,
-			message: message
-		} );
-	}
-};
-
-// Provide an alternative to assert.throws(), for environments that consider throws a reserved word
-// Known to us are: Closure Compiler, Narwhal
-( function() {
-	/*jshint sub:true */
-	Assert.prototype.raises = Assert.prototype [ "throws" ]; //jscs:ignore requireDotNotation
-}() );
-
-function errorString( error ) {
-	var name, message,
-		resultErrorString = error.toString();
-	if ( resultErrorString.substring( 0, 7 ) === "[object" ) {
-		name = error.name ? error.name.toString() : "Error";
-		message = error.message ? error.message.toString() : "";
-		if ( name && message ) {
-			return name + ": " + message;
-		} else if ( name ) {
-			return name;
-		} else if ( message ) {
-			return message;
-		} else {
-			return "Error";
-		}
-	} else {
-		return resultErrorString;
-	}
-}
-
-// Test for equality any JavaScript type.
-// Author: Philippe Rathé <[email protected]>
-QUnit.equiv = ( function() {
-
-	// Stack to decide between skip/abort functions
-	var callers = [];
-
-	// Stack to avoiding loops from circular referencing
-	var parents = [];
-	var parentsB = [];
-
-	var getProto = Object.getPrototypeOf || function( obj ) {
-
-		/*jshint proto: true */
-		return obj.__proto__;
-	};
-
-	function useStrictEquality( b, a ) {
-
-		// To catch short annotation VS 'new' annotation of a declaration. e.g.:
-		// `var i = 1;`
-		// `var j = new Number(1);`
-		if ( typeof a === "object" ) {
-			a = a.valueOf();
-		}
-		if ( typeof b === "object" ) {
-			b = b.valueOf();
-		}
-
-		return a === b;
-	}
-
-	function compareConstructors( a, b ) {
-		var protoA = getProto( a );
-		var protoB = getProto( b );
-
-		// Comparing constructors is more strict than using `instanceof`
-		if ( a.constructor === b.constructor ) {
-			return true;
-		}
-
-		// Ref #851
-		// If the obj prototype descends from a null constructor, treat it
-		// as a null prototype.
-		if ( protoA && protoA.constructor === null ) {
-			protoA = null;
-		}
-		if ( protoB && protoB.constructor === null ) {
-			protoB = null;
-		}
-
-		// Allow objects with no prototype to be equivalent to
-		// objects with Object as their constructor.
-		if ( ( protoA === null && protoB === Object.prototype ) ||
-				( protoB === null && protoA === Object.prototype ) ) {
-			return true;
-		}
-
-		return false;
-	}
-
-	function getRegExpFlags( regexp ) {
-		return "flags" in regexp ? regexp.flags : regexp.toString().match( /[gimuy]*$/ )[ 0 ];
-	}
-
-	var callbacks = {
-		"string": useStrictEquality,
-		"boolean": useStrictEquality,
-		"number": useStrictEquality,
-		"null": useStrictEquality,
-		"undefined": useStrictEquality,
-		"symbol": useStrictEquality,
-		"date": useStrictEquality,
-
-		"nan": function() {
-			return true;
-		},
-
-		"regexp": function( b, a ) {
-			return a.source === b.source &&
-
-				// Include flags in the comparison
-				getRegExpFlags( a ) === getRegExpFlags( b );
-		},
-
-		// - skip when the property is a method of an instance (OOP)
-		// - abort otherwise,
-		// initial === would have catch identical references anyway
-		"function": function() {
-			var caller = callers[ callers.length - 1 ];
-			return caller !== Object && typeof caller !== "undefined";
-		},
-
-		"array": function( b, a ) {
-			var i, j, len, loop, aCircular, bCircular;
-
-			len = a.length;
-			if ( len !== b.length ) {
-
-				// Safe and faster
-				return false;
-			}
-
-			// Track reference to avoid circular references
-			parents.push( a );
-			parentsB.push( b );
-			for ( i = 0; i < len; i++ ) {
-				loop = false;
-				for ( j = 0; j < parents.length; j++ ) {
-					aCircular = parents[ j ] === a[ i ];
-					bCircular = parentsB[ j ] === b[ i ];
-					if ( aCircular || bCircular ) {
-						if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-							loop = true;
-						} else {
-							parents.pop();
-							parentsB.pop();
-							return false;
-						}
-					}
-				}
-				if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-					parents.pop();
-					parentsB.pop();
-					return false;
-				}
-			}
-			parents.pop();
-			parentsB.pop();
-			return true;
-		},
-
-		"set": function( b, a ) {
-			var innerEq,
-				outerEq = true;
-
-			if ( a.size !== b.size ) {
-				return false;
-			}
-
-			a.forEach( function( aVal ) {
-				innerEq = false;
-
-				b.forEach( function( bVal ) {
-					if ( innerEquiv( bVal, aVal ) ) {
-						innerEq = true;
-					}
-				} );
-
-				if ( !innerEq ) {
-					outerEq = false;
-				}
-			} );
-
-			return outerEq;
-		},
-
-		"map": function( b, a ) {
-			var innerEq,
-				outerEq = true;
-
-			if ( a.size !== b.size ) {
-				return false;
-			}
-
-			a.forEach( function( aVal, aKey ) {
-				innerEq = false;
-
-				b.forEach( function( bVal, bKey ) {
-					if ( innerEquiv( [ bVal, bKey ], [ aVal, aKey ] ) ) {
-						innerEq = true;
-					}
-				} );
-
-				if ( !innerEq ) {
-					outerEq = false;
-				}
-			} );
-
-			return outerEq;
-		},
-
-		"object": function( b, a ) {
-			var i, j, loop, aCircular, bCircular;
-
-			// Default to true
-			var eq = true;
-			var aProperties = [];
-			var bProperties = [];
-
-			if ( compareConstructors( a, b ) === false ) {
-				return false;
-			}
-
-			// Stack constructor before traversing properties
-			callers.push( a.constructor );
-
-			// Track reference to avoid circular references
-			parents.push( a );
-			parentsB.push( b );
-
-			// Be strict: don't ensure hasOwnProperty and go deep
-			for ( i in a ) {
-				loop = false;
-				for ( j = 0; j < parents.length; j++ ) {
-					aCircular = parents[ j ] === a[ i ];
-					bCircular = parentsB[ j ] === b[ i ];
-					if ( aCircular || bCircular ) {
-						if ( a[ i ] === b[ i ] || aCircular && bCircular ) {
-							loop = true;
-						} else {
-							eq = false;
-							break;
-						}
-					}
-				}
-				aProperties.push( i );
-				if ( !loop && !innerEquiv( a[ i ], b[ i ] ) ) {
-					eq = false;
-					break;
-				}
-			}
-
-			parents.pop();
-			parentsB.pop();
-
-			// Unstack, we are done
-			callers.pop();
-
-			for ( i in b ) {
-
-				// Collect b's properties
-				bProperties.push( i );
-			}
-
-			// Ensures identical properties name
-			return eq && innerEquiv( aProperties.sort(), bProperties.sort() );
-		}
-	};
-
-	function typeEquiv( a, b ) {
-		var type = QUnit.objectType( a );
-		return QUnit.objectType( b ) === type && callbacks[ type ]( b, a );
-	}
-
-	// The real equiv function
-	function innerEquiv( a, b ) {
-
-		// We're done when there's nothing more to compare
-		if ( arguments.length < 2 ) {
-			return true;
-		}
-
-		// Require type-specific equality
-		return ( a === b || typeEquiv( a, b ) ) &&
-
-			// ...across all consecutive argument pairs
-			( arguments.length === 2 || innerEquiv.apply( this, [].slice.call( arguments, 1 ) ) );
-	}
-
-	return innerEquiv;
-}() );
-
-// Based on jsDump by Ariel Flesler
-// http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html
-QUnit.dump = ( function() {
-	function quote( str ) {
-		return "\"" + str.toString().replace( /\\/g, "\\\\" ).replace( /"/g, "\\\"" ) + "\"";
-	}
-	function literal( o ) {
-		return o + "";
-	}
-	function join( pre, arr, post ) {
-		var s = dump.separator(),
-			base = dump.indent(),
-			inner = dump.indent( 1 );
-		if ( arr.join ) {
-			arr = arr.join( "," + s + inner );
-		}
-		if ( !arr ) {
-			return pre + post;
-		}
-		return [ pre, inner + arr, base + post ].join( s );
-	}
-	function array( arr, stack ) {
-		var i = arr.length,
-			ret = new Array( i );
-
-		if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-			return "[object Array]";
-		}
-
-		this.up();
-		while ( i-- ) {
-			ret[ i ] = this.parse( arr[ i ], undefined, stack );
-		}
-		this.down();
-		return join( "[", ret, "]" );
-	}
-
-	function isArray( obj ) {
-		return (
-
-			//Native Arrays
-			toString.call( obj ) === "[object Array]" ||
-
-			// NodeList objects
-			( typeof obj.length === "number" && obj.item !== undefined ) &&
-			( obj.length ?
-				obj.item( 0 ) === obj[ 0 ] :
-				( obj.item( 0 ) === null && obj[ 0 ] === undefined )
-			)
-		);
-	}
-
-	var reName = /^function (\w+)/,
-		dump = {
-
-			// The objType is used mostly internally, you can fix a (custom) type in advance
-			parse: function( obj, objType, stack ) {
-				stack = stack || [];
-				var res, parser, parserType,
-					inStack = inArray( obj, stack );
-
-				if ( inStack !== -1 ) {
-					return "recursion(" + ( inStack - stack.length ) + ")";
-				}
-
-				objType = objType || this.typeOf( obj  );
-				parser = this.parsers[ objType ];
-				parserType = typeof parser;
-
-				if ( parserType === "function" ) {
-					stack.push( obj );
-					res = parser.call( this, obj, stack );
-					stack.pop();
-					return res;
-				}
-				return ( parserType === "string" ) ? parser : this.parsers.error;
-			},
-			typeOf: function( obj ) {
-				var type;
-
-				if ( obj === null ) {
-					type = "null";
-				} else if ( typeof obj === "undefined" ) {
-					type = "undefined";
-				} else if ( QUnit.is( "regexp", obj ) ) {
-					type = "regexp";
-				} else if ( QUnit.is( "date", obj ) ) {
-					type = "date";
-				} else if ( QUnit.is( "function", obj ) ) {
-					type = "function";
-				} else if ( obj.setInterval !== undefined &&
-						obj.document !== undefined &&
-						obj.nodeType === undefined ) {
-					type = "window";
-				} else if ( obj.nodeType === 9 ) {
-					type = "document";
-				} else if ( obj.nodeType ) {
-					type = "node";
-				} else if ( isArray( obj ) ) {
-					type = "array";
-				} else if ( obj.constructor === Error.prototype.constructor ) {
-					type = "error";
-				} else {
-					type = typeof obj;
-				}
-				return type;
-			},
-
-			separator: function() {
-				return this.multiline ? this.HTML ? "<br />" : "\n" : this.HTML ? "&#160;" : " ";
-			},
-
-			// Extra can be a number, shortcut for increasing-calling-decreasing
-			indent: function( extra ) {
-				if ( !this.multiline ) {
-					return "";
-				}
-				var chr = this.indentChar;
-				if ( this.HTML ) {
-					chr = chr.replace( /\t/g, "   " ).replace( / /g, "&#160;" );
-				}
-				return new Array( this.depth + ( extra || 0 ) ).join( chr );
-			},
-			up: function( a ) {
-				this.depth += a || 1;
-			},
-			down: function( a ) {
-				this.depth -= a || 1;
-			},
-			setParser: function( name, parser ) {
-				this.parsers[ name ] = parser;
-			},
-
-			// The next 3 are exposed so you can use them
-			quote: quote,
-			literal: literal,
-			join: join,
-			depth: 1,
-			maxDepth: QUnit.config.maxDepth,
-
-			// This is the list of parsers, to modify them, use dump.setParser
-			parsers: {
-				window: "[Window]",
-				document: "[Document]",
-				error: function( error ) {
-					return "Error(\"" + error.message + "\")";
-				},
-				unknown: "[Unknown]",
-				"null": "null",
-				"undefined": "undefined",
-				"function": function( fn ) {
-					var ret = "function",
-
-						// Functions never have name in IE
-						name = "name" in fn ? fn.name : ( reName.exec( fn ) || [] )[ 1 ];
-
-					if ( name ) {
-						ret += " " + name;
-					}
-					ret += "(";
-
-					ret = [ ret, dump.parse( fn, "functionArgs" ), "){" ].join( "" );
-					return join( ret, dump.parse( fn, "functionCode" ), "}" );
-				},
-				array: array,
-				nodelist: array,
-				"arguments": array,
-				object: function( map, stack ) {
-					var keys, key, val, i, nonEnumerableProperties,
-						ret = [];
-
-					if ( dump.maxDepth && dump.depth > dump.maxDepth ) {
-						return "[object Object]";
-					}
-
-					dump.up();
-					keys = [];
-					for ( key in map ) {
-						keys.push( key );
-					}
-
-					// Some properties are not always enumerable on Error objects.
-					nonEnumerableProperties = [ "message", "name" ];
-					for ( i in nonEnumerableProperties ) {
-						key = nonEnumerableProperties[ i ];
-						if ( key in map && inArray( key, keys ) < 0 ) {
-							keys.push( key );
-						}
-					}
-					keys.sort();
-					for ( i = 0; i < keys.length; i++ ) {
-						key = keys[ i ];
-						val = map[ key ];
-						ret.push( dump.parse( key, "key" ) + ": " +
-							dump.parse( val, undefined, stack ) );
-					}
-					dump.down();
-					return join( "{", ret, "}" );
-				},
-				node: function( node ) {
-					var len, i, val,
-						open = dump.HTML ? "&lt;" : "<",
-						close = dump.HTML ? "&gt;" : ">",
-						tag = node.nodeName.toLowerCase(),
-						ret = open + tag,
-						attrs = node.attributes;
-
-					if ( attrs ) {
-						for ( i = 0, len = attrs.length; i < len; i++ ) {
-							val = attrs[ i ].nodeValue;
-
-							// IE6 includes all attributes in .attributes, even ones not explicitly
-							// set. Those have values like undefined, null, 0, false, "" or
-							// "inherit".
-							if ( val && val !== "inherit" ) {
-								ret += " " + attrs[ i ].nodeName + "=" +
-									dump.parse( val, "attribute" );
-							}
-						}
-					}
-					ret += close;
-
-					// Show content of TextNode or CDATASection
-					if ( node.nodeType === 3 || node.nodeType === 4 ) {
-						ret += node.nodeValue;
-					}
-
-					return ret + open + "/" + tag + close;
-				},
-
-				// Function calls it internally, it's the arguments part of the function
-				functionArgs: function( fn ) {
-					var args,
-						l = fn.length;
-
-					if ( !l ) {
-						return "";
-					}
-
-					args = new Array( l );
-					while ( l-- ) {
-
-						// 97 is 'a'
-						args[ l ] = String.fromCharCode( 97 + l );
-					}
-					return " " + args.join( ", " ) + " ";
-				},
-
-				// Object calls it internally, the key part of an item in a map
-				key: quote,
-
-				// Function calls it internally, it's the content of the function
-				functionCode: "[code]",
-
-				// Node calls it internally, it's a html attribute value
-				attribute: quote,
-				string: quote,
-				date: quote,
-				regexp: literal,
-				number: literal,
-				"boolean": literal,
-				symbol: function( sym ) {
-					return sym.toString();
-				}
-			},
-
-			// If true, entities are escaped ( <, >, \t, space and \n )
-			HTML: false,
-
-			// Indentation unit
-			indentChar: "  ",
-
-			// If true, items in a collection, are separated by a \n, else just a space.
-			multiline: true
-		};
-
-	return dump;
-}() );
-
-// Back compat
-QUnit.jsDump = QUnit.dump;
-
-function applyDeprecated( name ) {
-	return function() {
-		throw new Error(
-			name + " is removed in QUnit 2.0.\n" +
-			"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-		);
-	};
-}
-
-Object.keys( Assert.prototype ).forEach( function( key ) {
-	QUnit[ key ] = applyDeprecated( "`QUnit." + key + "`" );
-} );
-
-QUnit.asyncTest = function() {
-	throw new Error(
-		"asyncTest is removed in QUnit 2.0, use QUnit.test() with assert.async() instead.\n" +
-		"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-	);
-};
-
-QUnit.stop = function() {
-	throw new Error(
-		"QUnit.stop is removed in QUnit 2.0, use QUnit.test() with assert.async() instead.\n" +
-		"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-	);
-};
-
-function resetThrower() {
-	throw new Error(
-		"QUnit.reset is removed in QUnit 2.0 without replacement.\n" +
-		"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-	);
-}
-
-Object.defineProperty( QUnit, "reset", {
-	get: function() {
-		return resetThrower;
-	},
-	set: resetThrower
-} );
-
-if ( defined.document ) {
-	if ( window.QUnit ) {
-		throw new Error( "QUnit has already been defined." );
-	}
-
-	[
-		"test",
-		"module",
-		"expect",
-		"start",
-		"ok",
-		"notOk",
-		"equal",
-		"notEqual",
-		"propEqual",
-		"notPropEqual",
-		"deepEqual",
-		"notDeepEqual",
-		"strictEqual",
-		"notStrictEqual",
-		"throws",
-		"raises"
-	].forEach( function( key ) {
-		window[ key ] = applyDeprecated( "The global `" + key + "`" );
-	} );
-
-	window.QUnit = QUnit;
-}
-
-// For nodejs
-if ( typeof module !== "undefined" && module && module.exports ) {
-	module.exports = QUnit;
-
-	// For consistency with CommonJS environments' exports
-	module.exports.QUnit = QUnit;
-}
-
-// For CommonJS with exports, but without module.exports, like Rhino
-if ( typeof exports !== "undefined" && exports ) {
-	exports.QUnit = QUnit;
-}
-
-if ( typeof define === "function" && define.amd ) {
-	define( function() {
-		return QUnit;
-	} );
-	QUnit.config.autostart = false;
-}
-
-// Get a reference to the global object, like window in browsers
-}( ( function() {
-	return this;
-}() ) ) );
-
-( function() {
-
-if ( typeof window === "undefined" || !window.document ) {
-	return;
-}
-
-var config = QUnit.config,
-	hasOwn = Object.prototype.hasOwnProperty;
-
-// Stores fixture HTML for resetting later
-function storeFixture() {
-
-	// Avoid overwriting user-defined values
-	if ( hasOwn.call( config, "fixture" ) ) {
-		return;
-	}
-
-	var fixture = document.getElementById( "qunit-fixture" );
-	if ( fixture ) {
-		config.fixture = fixture.innerHTML;
-	}
-}
-
-QUnit.begin( storeFixture );
-
-// Resets the fixture DOM element if available.
-function resetFixture() {
-	if ( config.fixture == null ) {
-		return;
-	}
-
-	var fixture = document.getElementById( "qunit-fixture" );
-	if ( fixture ) {
-		fixture.innerHTML = config.fixture;
-	}
-}
-
-QUnit.testStart( resetFixture );
-
-}() );
-
-( function() {
-
-// Only interact with URLs via window.location
-var location = typeof window !== "undefined" && window.location;
-if ( !location ) {
-	return;
-}
-
-var urlParams = getUrlParams();
-
-QUnit.urlParams = urlParams;
-
-// Match module/test by inclusion in an array
-QUnit.config.moduleId = [].concat( urlParams.moduleId || [] );
-QUnit.config.testId = [].concat( urlParams.testId || [] );
-
-// Exact case-insensitive match of the module name
-QUnit.config.module = urlParams.module;
-
-// Regular expression or case-insenstive substring match against "moduleName: testName"
-QUnit.config.filter = urlParams.filter;
-
-// Test order randomization
-if ( urlParams.seed === true ) {
-
-	// Generate a random seed if the option is specified without a value
-	QUnit.config.seed = Math.random().toString( 36 ).slice( 2 );
-} else if ( urlParams.seed ) {
-	QUnit.config.seed = urlParams.seed;
-}
-
-// Add URL-parameter-mapped config values with UI form rendering data
-QUnit.config.urlConfig.push(
-	{
-		id: "hidepassed",
-		label: "Hide passed tests",
-		tooltip: "Only show tests and assertions that fail. Stored as query-strings."
-	},
-	{
-		id: "noglobals",
-		label: "Check for Globals",
-		tooltip: "Enabling this will test if any test introduces new properties on the " +
-			"global object (`window` in Browsers). Stored as query-strings."
-	},
-	{
-		id: "notrycatch",
-		label: "No try-catch",
-		tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging " +
-			"exceptions in IE reasonable. Stored as query-strings."
-	}
-);
-
-QUnit.begin( function() {
-	var i, option,
-		urlConfig = QUnit.config.urlConfig;
-
-	for ( i = 0; i < urlConfig.length; i++ ) {
-
-		// Options can be either strings or objects with nonempty "id" properties
-		option = QUnit.config.urlConfig[ i ];
-		if ( typeof option !== "string" ) {
-			option = option.id;
-		}
-
-		if ( QUnit.config[ option ] === undefined ) {
-			QUnit.config[ option ] = urlParams[ option ];
-		}
-	}
-} );
-
-function getUrlParams() {
-	var i, param, name, value;
-	var urlParams = {};
-	var params = location.search.slice( 1 ).split( "&" );
-	var length = params.length;
-
-	for ( i = 0; i < length; i++ ) {
-		if ( params[ i ] ) {
-			param = params[ i ].split( "=" );
-			name = decodeQueryParam( param[ 0 ] );
-
-			// Allow just a key to turn on a flag, e.g., test.html?noglobals
-			value = param.length === 1 ||
-				decodeQueryParam( param.slice( 1 ).join( "=" ) ) ;
-			if ( urlParams[ name ] ) {
-				urlParams[ name ] = [].concat( urlParams[ name ], value );
-			} else {
-				urlParams[ name ] = value;
-			}
-		}
-	}
-
-	return urlParams;
-}
-
-function decodeQueryParam( param ) {
-	return decodeURIComponent( param.replace( /\+/g, "%20" ) );
-}
-
-// Don't load the HTML Reporter on non-browser environments
-if ( typeof window === "undefined" || !window.document ) {
-	return;
-}
-
-QUnit.init = function() {
-	throw new Error(
-		"QUnit.init is removed in QUnit 2.0, use QUnit.test() with assert.async() instead.\n" +
-		"Details in our upgrade guide at https://qunitjs.com/upgrade-guide-2.x/"
-	);
-};
-
-var config = QUnit.config,
-	document = window.document,
-	collapseNext = false,
-	hasOwn = Object.prototype.hasOwnProperty,
-	unfilteredUrl = setUrl( { filter: undefined, module: undefined,
-		moduleId: undefined, testId: undefined } ),
-	defined = {
-		sessionStorage: ( function() {
-			var x = "qunit-test-string";
-			try {
-				sessionStorage.setItem( x, x );
-				sessionStorage.removeItem( x );
-				return true;
-			} catch ( e ) {
-				return false;
-			}
-		}() )
-	},
-	modulesList = [];
-
-// Escape text for attribute or text content.
-function escapeText( s ) {
-	if ( !s ) {
-		return "";
-	}
-	s = s + "";
-
-	// Both single quotes and double quotes (for attributes)
-	return s.replace( /['"<>&]/g, function( s ) {
-		switch ( s ) {
-		case "'":
-			return "&#039;";
-		case "\"":
-			return "&quot;";
-		case "<":
-			return "&lt;";
-		case ">":
-			return "&gt;";
-		case "&":
-			return "&amp;";
-		}
-	} );
-}
-
-function addEvent( elem, type, fn ) {
-	elem.addEventListener( type, fn, false );
-}
-
-function removeEvent( elem, type, fn ) {
-	elem.removeEventListener( type, fn, false );
-}
-
-function addEvents( elems, type, fn ) {
-	var i = elems.length;
-	while ( i-- ) {
-		addEvent( elems[ i ], type, fn );
-	}
-}
-
-function hasClass( elem, name ) {
-	return ( " " + elem.className + " " ).indexOf( " " + name + " " ) >= 0;
-}
-
-function addClass( elem, name ) {
-	if ( !hasClass( elem, name ) ) {
-		elem.className += ( elem.className ? " " : "" ) + name;
-	}
-}
-
-function toggleClass( elem, name, force ) {
-	if ( force || typeof force === "undefined" && !hasClass( elem, name ) ) {
-		addClass( elem, name );
-	} else {
-		removeClass( elem, name );
-	}
-}
-
-function removeClass( elem, name ) {
-	var set = " " + elem.className + " ";
-
-	// Class name may appear multiple times
-	while ( set.indexOf( " " + name + " " ) >= 0 ) {
-		set = set.replace( " " + name + " ", " " );
-	}
-
-	// Trim for prettiness
-	elem.className = typeof set.trim === "function" ? set.trim() : set.replace( /^\s+|\s+$/g, "" );
-}
-
-function id( name ) {
-	return document.getElementById && document.getElementById( name );
-}
-
-function interceptNavigation( ev ) {
-	applyUrlParams();
-
-	if ( ev && ev.preventDefault ) {
-		ev.preventDefault();
-	}
-
-	return false;
-}
-
-function getUrlConfigHtml() {
-	var i, j, val,
-		escaped, escapedTooltip,
-		selection = false,
-		urlConfig = config.urlConfig,
-		urlConfigHtml = "";
-
-	for ( i = 0; i < urlConfig.length; i++ ) {
-
-		// Options can be either strings or objects with nonempty "id" properties
-		val = config.urlConfig[ i ];
-		if ( typeof val === "string" ) {
-			val = {
-				id: val,
-				label: val
-			};
-		}
-
-		escaped = escapeText( val.id );
-		escapedTooltip = escapeText( val.tooltip );
-
-		if ( !val.value || typeof val.value === "string" ) {
-			urlConfigHtml += "<label for='qunit-urlconfig-" + escaped +
-				"' title='" + escapedTooltip + "'><input id='qunit-urlconfig-" + escaped +
-				"' name='" + escaped + "' type='checkbox'" +
-				( val.value ? " value='" + escapeText( val.value ) + "'" : "" ) +
-				( config[ val.id ] ? " checked='checked'" : "" ) +
-				" title='" + escapedTooltip + "' />" + escapeText( val.label ) + "</label>";
-		} else {
-			urlConfigHtml += "<label for='qunit-urlconfig-" + escaped +
-				"' title='" + escapedTooltip + "'>" + val.label +
-				": </label><select id='qunit-urlconfig-" + escaped +
-				"' name='" + escaped + "' title='" + escapedTooltip + "'><option></option>";
-
-			if ( QUnit.is( "array", val.value ) ) {
-				for ( j = 0; j < val.value.length; j++ ) {
-					escaped = escapeText( val.value[ j ] );
-					urlConfigHtml += "<option value='" + escaped + "'" +
-						( config[ val.id ] === val.value[ j ] ?
-							( selection = true ) && " selected='selected'" : "" ) +
-						">" + escaped + "</option>";
-				}
-			} else {
-				for ( j in val.value ) {
-					if ( hasOwn.call( val.value, j ) ) {
-						urlConfigHtml += "<option value='" + escapeText( j ) + "'" +
-							( config[ val.id ] === j ?
-								( selection = true ) && " selected='selected'" : "" ) +
-							">" + escapeText( val.value[ j ] ) + "</option>";
-					}
-				}
-			}
-			if ( config[ val.id ] && !selection ) {
-				escaped = escapeText( config[ val.id ] );
-				urlConfigHtml += "<option value='" + escaped +
-					"' selected='selected' disabled='disabled'>" + escaped + "</option>";
-			}
-			urlConfigHtml += "</select>";
-		}
-	}
-
-	return urlConfigHtml;
-}
-
-// Handle "click" events on toolbar checkboxes and "change" for select menus.
-// Updates the URL with the new state of `config.urlConfig` values.
-function toolbarChanged() {
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-
-	// Detect if field is a select menu or a checkbox
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-	} else {
-		value = field.checked ? ( field.defaultValue || true ) : undefined;
-	}
-
-	params[ field.name ] = value;
-	updatedUrl = setUrl( params );
-
-	// Check if we can apply the change without a page refresh
-	if ( "hidepassed" === field.name && "replaceState" in window.history ) {
-		QUnit.urlParams[ field.name ] = value;
-		config[ field.name ] = value || false;
-		tests = id( "qunit-tests" );
-		if ( tests ) {
-			toggleClass( tests, "hidepass", value || false );
-		}
-		window.history.replaceState( null, "", updatedUrl );
-	} else {
-		window.location = updatedUrl;
-	}
-}
-
-function setUrl( params ) {
-	var key, arrValue, i,
-		querystring = "?",
-		location = window.location;
-
-	params = QUnit.extend( QUnit.extend( {}, QUnit.urlParams ), params );
-
-	for ( key in params ) {
-
-		// Skip inherited or undefined properties
-		if ( hasOwn.call( params, key ) && params[ key ] !== undefined ) {
-
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-			arrValue = [].concat( params[ key ] );
-			for ( i = 0; i < arrValue.length; i++ ) {
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-					querystring += "=" + encodeURIComponent( arrValue[ i ] );
-				}
-				querystring += "&";
-			}
-		}
-	}
-	return location.protocol + "//" + location.host +
-		location.pathname + querystring.slice( 0, -1 );
-}
-
-function applyUrlParams() {
-	var i,
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-
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-		if ( modulesList[ i ].checked ) {
-			selectedModules.push( modulesList[ i ].value );
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-	}
-
-	window.location = setUrl( {
-		filter: ( filter === "" ) ? undefined : filter,
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-		module: undefined,
-		testId: undefined
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-}
-
-function toolbarUrlConfigContainer() {
-	var urlConfigContainer = document.createElement( "span" );
-
-	urlConfigContainer.innerHTML = getUrlConfigHtml();
-	addClass( urlConfigContainer, "qunit-url-config" );
-
-	addEvents( urlConfigContainer.getElementsByTagName( "input" ), "change", toolbarChanged );
-	addEvents( urlConfigContainer.getElementsByTagName( "select" ), "change", toolbarChanged );
-
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-		label = document.createElement( "label" ),
-		input = document.createElement( "input" ),
-		button = document.createElement( "button" );
-
-	addClass( filter, "qunit-filter" );
-
-	label.innerHTML = "Filter: ";
-
-	input.type = "text";
-	input.value = config.filter || "";
-	input.name = "filter";
-	input.id = "qunit-filter-input";
-
-	button.innerHTML = "Go";
-
-	label.appendChild( input );
-
-	filter.appendChild( label );
-	filter.appendChild( document.createTextNode( " " ) );
-	filter.appendChild( button );
-	addEvent( filter, "submit", interceptNavigation );
-
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-
-function moduleListHtml () {
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-	moduleSearch.id = "qunit-modulefilter-search";
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-
-	label.id = "qunit-modulefilter-search-container";
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-
-	actions.id = "qunit-modulefilter-actions";
-	actions.innerHTML =
-		"<button style='display:none'>Apply</button>" +
-		"<button type='reset' style='display:none'>Reset</button>" +
-		"<label class='clickable" +
-		( config.moduleId.length ? "" : " checked" ) +
-		"'><input type='checkbox'" + ( config.moduleId.length ? "" : " checked='checked'" ) +
-		">All modules</label>";
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-	reset = commit.nextSibling;
-	addEvent( commit, "click", applyUrlParams );
-
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-
-	dropDown.id = "qunit-modulefilter-dropdown";
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-
-		// Let the reset happen, then update styles
-		window.setTimeout( selectionChange );
-	} );
-
-	// Enables show/hide for the dropdown
-	function searchFocus() {
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-		dropDown.style.display = "block";
-		addEvent( document, "click", hideHandler );
-		addEvent( document, "keydown", hideHandler );
-
-		// Hide on Escape keydown or outside-container click
-		function hideHandler( e )  {
-			var inContainer = moduleFilter.contains( e.target );
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-			if ( e.keyCode === 27 || !inContainer ) {
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-				dropDown.style.display = "none";
-				removeEvent( document, "click", hideHandler );
-				removeEvent( document, "keydown", hideHandler );
-				moduleSearch.value = "";
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-		}
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-	// Processes module search box input
-	function searchInput() {
-		var i, item,
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-
-		for ( i = 0; i < listItems.length; i++ ) {
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-	// Processes selection changes
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-			checkbox = evt && evt.target || allCheckbox,
-			modulesList = dropDownList.getElementsByTagName( "input" ),
-			selectedNames = [];
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-		toggleClass( checkbox.parentNode, "checked", checkbox.checked );
-
-		dirty = false;
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-		   allCheckbox.checked = false;
-		   removeClass( allCheckbox.parentNode, "checked" );
-		}
-		for ( i = 0; i < modulesList.length; i++ )  {
-			item = modulesList[ i ];
-			if ( !evt ) {
-				toggleClass( item.parentNode, "checked", item.checked );
-			} else if ( checkbox === allCheckbox && checkbox.checked ) {
-				item.checked = false;
-				removeClass( item.parentNode, "checked" );
-			}
-			dirty = dirty || ( item.checked !== item.defaultChecked );
-			if ( item.checked ) {
-				selectedNames.push( item.parentNode.textContent );
-			}
-		}
-
-		commit.style.display = reset.style.display = dirty ? "" : "none";
-		moduleSearch.placeholder = selectedNames.join( ", " ) || allCheckbox.parentNode.textContent;
-		moduleSearch.title = "Type to filter list. Current selection:\n" +
-			( selectedNames.join( "\n" ) || allCheckbox.parentNode.textContent );
-	}
-
-	return moduleFilter;
-}
-
-function appendToolbar() {
-	var toolbar = id( "qunit-testrunner-toolbar" );
-
-	if ( toolbar ) {
-		toolbar.appendChild( toolbarUrlConfigContainer() );
-		toolbar.appendChild( toolbarModuleFilter() );
-		toolbar.appendChild( toolbarLooseFilter() );
-		toolbar.appendChild( document.createElement( "div" ) ).className = "clearfix";
-	}
-}
-
-function appendHeader() {
-	var header = id( "qunit-header" );
-
-	if ( header ) {
-		header.innerHTML = "<a href='" + escapeText( unfilteredUrl ) + "'>" + header.innerHTML +
-			"</a> ";
-	}
-}
-
-function appendBanner() {
-	var banner = id( "qunit-banner" );
-
-	if ( banner ) {
-		banner.className = "";
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-
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-		result = id( "qunit-testresult" );
-
-	if ( result ) {
-		result.parentNode.removeChild( result );
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-
-	if ( tests ) {
-		tests.innerHTML = "";
-		result = document.createElement( "p" );
-		result.id = "qunit-testresult";
-		result.className = "result";
-		tests.parentNode.insertBefore( result, tests );
-		result.innerHTML = "Running...<br />&#160;";
-	}
-}
-
-function appendFilteredTest() {
-	var testId = QUnit.config.testId;
-	if ( !testId || testId.length <= 0 ) {
-		return "";
-	}
-	return "<div id='qunit-filteredTest'>Rerunning selected tests: " +
-		escapeText( testId.join( ", " ) ) +
-		" <a id='qunit-clearFilter' href='" +
-		escapeText( unfilteredUrl ) +
-		"'>Run all tests</a></div>";
-}
-
-function appendUserAgent() {
-	var userAgent = id( "qunit-userAgent" );
-
-	if ( userAgent ) {
-		userAgent.innerHTML = "";
-		userAgent.appendChild(
-			document.createTextNode(
-				"QUnit " + QUnit.version + "; " + navigator.userAgent
-			)
-		);
-	}
-}
-
-function appendInterface() {
-	var qunit = id( "qunit" );
-
-	if ( qunit ) {
-		qunit.innerHTML =
-			"<h1 id='qunit-header'>" + escapeText( document.title ) + "</h1>" +
-			"<h2 id='qunit-banner'></h2>" +
-			"<div id='qunit-testrunner-toolbar'></div>" +
-			appendFilteredTest() +
-			"<h2 id='qunit-userAgent'></h2>" +
-			"<ol id='qunit-tests'></ol>";
-	}
-
-	appendHeader();
-	appendBanner();
-	appendTestResults();
-	appendUserAgent();
-	appendToolbar();
-}
-
-function appendTestsList( modules ) {
-	var i, l, x, z, test, moduleObj;
-
-	for ( i = 0, l = modules.length; i < l; i++ ) {
-		moduleObj = modules[ i ];
-
-		for ( x = 0, z = moduleObj.tests.length; x < z; x++ ) {
-			test = moduleObj.tests[ x ];
-
-			appendTest( test.name, test.testId, moduleObj.name );
-		}
-	}
-}
-
-function appendTest( name, testId, moduleName ) {
-	var title, rerunTrigger, testBlock, assertList,
-		tests = id( "qunit-tests" );
-
-	if ( !tests ) {
-		return;
-	}
-
-	title = document.createElement( "strong" );
-	title.innerHTML = getNameHtml( name, moduleName );
-
-	rerunTrigger = document.createElement( "a" );
-	rerunTrigger.innerHTML = "Rerun";
-	rerunTrigger.href = setUrl( { testId: testId } );
-
-	testBlock = document.createElement( "li" );
-	testBlock.appendChild( title );
-	testBlock.appendChild( rerunTrigger );
-	testBlock.id = "qunit-test-output-" + testId;
-
-	assertList = document.createElement( "ol" );
-	assertList.className = "qunit-assert-list";
-
-	testBlock.appendChild( assertList );
-
-	tests.appendChild( testBlock );
-}
-
-// HTML Reporter initialization and load
-QUnit.begin( function( details ) {
-	var i, moduleObj, tests;
-
-	// Sort modules by name for the picker
-	for ( i = 0; i < details.modules.length; i++ ) {
-		moduleObj = details.modules[ i ];
-		if ( moduleObj.name ) {
-			modulesList.push( moduleObj.name );
-		}
-	}
-	modulesList.sort( function( a, b ) {
-		return a.localeCompare( b );
-	} );
-
-	// Initialize QUnit elements
-	appendInterface();
-	appendTestsList( details.modules );
-	tests = id( "qunit-tests" );
-	if ( tests && config.hidepassed ) {
-		addClass( tests, "hidepass" );
-	}
-} );
-
-QUnit.done( function( details ) {
-	var i, key,
-		banner = id( "qunit-banner" ),
-		tests = id( "qunit-tests" ),
-		html = [
-			"Tests completed in ",
-			details.runtime,
-			" milliseconds.<br />",
-			"<span class='passed'>",
-			details.passed,
-			"</span> assertions of <span class='total'>",
-			details.total,
-			"</span> passed, <span class='failed'>",
-			details.failed,
-			"</span> failed."
-		].join( "" );
-
-	if ( banner ) {
-		banner.className = details.failed ? "qunit-fail" : "qunit-pass";
-	}
-
-	if ( tests ) {
-		id( "qunit-testresult" ).innerHTML = html;
-	}
-
-	if ( config.altertitle && document.title ) {
-
-		// Show ✖ for good, ✔ for bad suite result in title
-		// use escape sequences in case file gets loaded with non-utf-8-charset
-		document.title = [
-			( details.failed ? "\u2716" : "\u2714" ),
-			document.title.replace( /^[\u2714\u2716] /i, "" )
-		].join( " " );
-	}
-
-	// Clear own sessionStorage items if all tests passed
-	if ( config.reorder && defined.sessionStorage && details.failed === 0 ) {
-		for ( i = 0; i < sessionStorage.length; i++ ) {
-			key = sessionStorage.key( i++ );
-			if ( key.indexOf( "qunit-test-" ) === 0 ) {
-				sessionStorage.removeItem( key );
-			}
-		}
-	}
-
-	// Scroll back to top to show results
-	if ( config.scrolltop && window.scrollTo ) {
-		window.scrollTo( 0, 0 );
-	}
-} );
-
-function getNameHtml( name, module ) {
-	var nameHtml = "";
-
-	if ( module ) {
-		nameHtml = "<span class='module-name'>" + escapeText( module ) + "</span>: ";
-	}
-
-	nameHtml += "<span class='test-name'>" + escapeText( name ) + "</span>";
-
-	return nameHtml;
-}
-
-QUnit.testStart( function( details ) {
-	var running, testBlock, bad;
-
-	testBlock = id( "qunit-test-output-" + details.testId );
-	if ( testBlock ) {
-		testBlock.className = "running";
-	} else {
-
-		// Report later registered tests
-		appendTest( details.name, details.testId, details.module );
-	}
-
-	running = id( "qunit-testresult" );
-	if ( running ) {
-		bad = QUnit.config.reorder && defined.sessionStorage &&
-			+sessionStorage.getItem( "qunit-test-" + details.module + "-" + details.name );
-
-		running.innerHTML = ( bad ?
-			"Rerunning previously failed test: <br />" :
-			"Running: <br />" ) +
-			getNameHtml( details.name, details.module );
-	}
-
-} );
-
-function stripHtml( string ) {
-
-	// Strip tags, html entity and whitespaces
-	return string.replace( /<\/?[^>]+(>|$)/g, "" ).replace( /\&quot;/g, "" ).replace( /\s+/g, "" );
-}
-
-QUnit.log( function( details ) {
-	var assertList, assertLi,
-		message, expected, actual, diff,
-		showDiff = false,
-		testItem = id( "qunit-test-output-" + details.testId );
-
-	if ( !testItem ) {
-		return;
-	}
-
-	message = escapeText( details.message ) || ( details.result ? "okay" : "failed" );
-	message = "<span class='test-message'>" + message + "</span>";
-	message += "<span class='runtime'>@ " + details.runtime + " ms</span>";
-
-	// The pushFailure doesn't provide details.expected
-	// when it calls, it's implicit to also not show expected and diff stuff
-	// Also, we need to check details.expected existence, as it can exist and be undefined
-	if ( !details.result && hasOwn.call( details, "expected" ) ) {
-		if ( details.negative ) {
-			expected = "NOT " + QUnit.dump.parse( details.expected );
-		} else {
-			expected = QUnit.dump.parse( details.expected );
-		}
-
-		actual = QUnit.dump.parse( details.actual );
-		message += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" +
-			escapeText( expected ) +
-			"</pre></td></tr>";
-
-		if ( actual !== expected ) {
-
-			message += "<tr class='test-actual'><th>Result: </th><td><pre>" +
-				escapeText( actual ) + "</pre></td></tr>";
-
-			// Don't show diff if actual or expected are booleans
-			if ( !( /^(true|false)$/.test( actual ) ) &&
-					!( /^(true|false)$/.test( expected ) ) ) {
-				diff = QUnit.diff( expected, actual );
-				showDiff = stripHtml( diff ).length !==
-					stripHtml( expected ).length +
-					stripHtml( actual ).length;
-			}
-
-			// Don't show diff if expected and actual are totally different
-			if ( showDiff ) {
-				message += "<tr class='test-diff'><th>Diff: </th><td><pre>" +
-					diff + "</pre></td></tr>";
-			}
-		} else if ( expected.indexOf( "[object Array]" ) !== -1 ||
-				expected.indexOf( "[object Object]" ) !== -1 ) {
-			message += "<tr class='test-message'><th>Message: </th><td>" +
-				"Diff suppressed as the depth of object is more than current max depth (" +
-				QUnit.config.maxDepth + ").<p>Hint: Use <code>QUnit.dump.maxDepth</code> to " +
-				" run with a higher max depth or <a href='" +
-				escapeText( setUrl( { maxDepth: -1 } ) ) + "'>" +
-				"Rerun</a> without max depth.</p></td></tr>";
-		} else {
-			message += "<tr class='test-message'><th>Message: </th><td>" +
-				"Diff suppressed as the expected and actual results have an equivalent" +
-				" serialization</td></tr>";
-		}
-
-		if ( details.source ) {
-			message += "<tr class='test-source'><th>Source: </th><td><pre>" +
-				escapeText( details.source ) + "</pre></td></tr>";
-		}
-
-		message += "</table>";
-
-	// This occurs when pushFailure is set and we have an extracted stack trace
-	} else if ( !details.result && details.source ) {
-		message += "<table>" +
-			"<tr class='test-source'><th>Source: </th><td><pre>" +
-			escapeText( details.source ) + "</pre></td></tr>" +
-			"</table>";
-	}
-
-	assertList = testItem.getElementsByTagName( "ol" )[ 0 ];
-
-	assertLi = document.createElement( "li" );
-	assertLi.className = details.result ? "pass" : "fail";
-	assertLi.innerHTML = message;
-	assertList.appendChild( assertLi );
-} );
-
-QUnit.testDone( function( details ) {
-	var testTitle, time, testItem, assertList,
-		good, bad, testCounts, skipped, sourceName,
-		tests = id( "qunit-tests" );
-
-	if ( !tests ) {
-		return;
-	}
-
-	testItem = id( "qunit-test-output-" + details.testId );
-
-	assertList = testItem.getElementsByTagName( "ol" )[ 0 ];
-
-	good = details.passed;
-	bad = details.failed;
-
-	// Store result when possible
-	if ( config.reorder && defined.sessionStorage ) {
-		if ( bad ) {
-			sessionStorage.setItem( "qunit-test-" + details.module + "-" + details.name, bad );
-		} else {
-			sessionStorage.removeItem( "qunit-test-" + details.module + "-" + details.name );
-		}
-	}
-
-	if ( bad === 0 ) {
-
-		// Collapse the passing tests
-		addClass( assertList, "qunit-collapsed" );
-	} else if ( bad && config.collapse && !collapseNext ) {
-
-		// Skip collapsing the first failing test
-		collapseNext = true;
-	} else {
-
-		// Collapse remaining tests
-		addClass( assertList, "qunit-collapsed" );
-	}
-
-	// The testItem.firstChild is the test name
-	testTitle = testItem.firstChild;
-
-	testCounts = bad ?
-		"<b class='failed'>" + bad + "</b>, " + "<b class='passed'>" + good + "</b>, " :
-		"";
-
-	testTitle.innerHTML += " <b class='counts'>(" + testCounts +
-		details.assertions.length + ")</b>";
-
-	if ( details.skipped ) {
-		testItem.className = "skipped";
-		skipped = document.createElement( "em" );
-		skipped.className = "qunit-skipped-label";
-		skipped.innerHTML = "skipped";
-		testItem.insertBefore( skipped, testTitle );
-	} else {
-		addEvent( testTitle, "click", function() {
-			toggleClass( assertList, "qunit-collapsed" );
-		} );
-
-		testItem.className = bad ? "fail" : "pass";
-
-		time = document.createElement( "span" );
-		time.className = "runtime";
-		time.innerHTML = details.runtime + " ms";
-		testItem.insertBefore( time, assertList );
-	}
-
-	// Show the source of the test when showing assertions
-	if ( details.source ) {
-		sourceName = document.createElement( "p" );
-		sourceName.innerHTML = "<strong>Source: </strong>" + details.source;
-		addClass( sourceName, "qunit-source" );
-		if ( bad === 0 ) {
-			addClass( sourceName, "qunit-collapsed" );
-		}
-		addEvent( testTitle, "click", function() {
-			toggleClass( sourceName, "qunit-collapsed" );
-		} );
-		testItem.appendChild( sourceName );
-	}
-} );
-
-// Avoid readyState issue with phantomjs
-// Ref: #818
-var notPhantom = ( function( p ) {
-	return !( p && p.version && p.version.major > 0 );
-} )( window.phantom );
-
-if ( notPhantom && document.readyState === "complete" ) {
-	QUnit.load();
-} else {
-	addEvent( window, "load", QUnit.load );
-}
-
-/*
- * This file is a modified version of google-diff-match-patch's JavaScript implementation
- * (https://code.google.com/p/google-diff-match-patch/source/browse/trunk/javascript/diff_match_patch_uncompressed.js),
- * modifications are licensed as more fully set forth in LICENSE.txt.
- *
- * The original source of google-diff-match-patch is attributable and licensed as follows:
- *
- * Copyright 2006 Google Inc.
- * https://code.google.com/p/google-diff-match-patch/
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * More Info:
- *  https://code.google.com/p/google-diff-match-patch/
- *
- * Usage: QUnit.diff(expected, actual)
- *
- */
-QUnit.diff = ( function() {
-	function DiffMatchPatch() {
-	}
-
-	//  DIFF FUNCTIONS
-
-	/**
-	 * The data structure representing a diff is an array of tuples:
-	 * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
-	 * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
-	 */
-	var DIFF_DELETE = -1,
-		DIFF_INSERT = 1,
-		DIFF_EQUAL = 0;
-
-	/**
-	 * Find the differences between two texts.  Simplifies the problem by stripping
-	 * any common prefix or suffix off the texts before diffing.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {boolean=} optChecklines Optional speedup flag. If present and false,
-	 *     then don't run a line-level diff first to identify the changed areas.
-	 *     Defaults to true, which does a faster, slightly less optimal diff.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.DiffMain = function( text1, text2, optChecklines ) {
-		var deadline, checklines, commonlength,
-			commonprefix, commonsuffix, diffs;
-
-		// The diff must be complete in up to 1 second.
-		deadline = ( new Date() ).getTime() + 1000;
-
-		// Check for null inputs.
-		if ( text1 === null || text2 === null ) {
-			throw new Error( "Null input. (DiffMain)" );
-		}
-
-		// Check for equality (speedup).
-		if ( text1 === text2 ) {
-			if ( text1 ) {
-				return [
-					[ DIFF_EQUAL, text1 ]
-				];
-			}
-			return [];
-		}
-
-		if ( typeof optChecklines === "undefined" ) {
-			optChecklines = true;
-		}
-
-		checklines = optChecklines;
-
-		// Trim off common prefix (speedup).
-		commonlength = this.diffCommonPrefix( text1, text2 );
-		commonprefix = text1.substring( 0, commonlength );
-		text1 = text1.substring( commonlength );
-		text2 = text2.substring( commonlength );
-
-		// Trim off common suffix (speedup).
-		commonlength = this.diffCommonSuffix( text1, text2 );
-		commonsuffix = text1.substring( text1.length - commonlength );
-		text1 = text1.substring( 0, text1.length - commonlength );
-		text2 = text2.substring( 0, text2.length - commonlength );
-
-		// Compute the diff on the middle block.
-		diffs = this.diffCompute( text1, text2, checklines, deadline );
-
-		// Restore the prefix and suffix.
-		if ( commonprefix ) {
-			diffs.unshift( [ DIFF_EQUAL, commonprefix ] );
-		}
-		if ( commonsuffix ) {
-			diffs.push( [ DIFF_EQUAL, commonsuffix ] );
-		}
-		this.diffCleanupMerge( diffs );
-		return diffs;
-	};
-
-	/**
-	 * Reduce the number of edits by eliminating operationally trivial equalities.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupEfficiency = function( diffs ) {
-		var changes, equalities, equalitiesLength, lastequality,
-			pointer, preIns, preDel, postIns, postDel;
-		changes = false;
-		equalities = []; // Stack of indices where equalities are found.
-		equalitiesLength = 0; // Keeping our own length var is faster in JS.
-		/** @type {?string} */
-		lastequality = null;
-
-		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
-		pointer = 0; // Index of current position.
-
-		// Is there an insertion operation before the last equality.
-		preIns = false;
-
-		// Is there a deletion operation before the last equality.
-		preDel = false;
-
-		// Is there an insertion operation after the last equality.
-		postIns = false;
-
-		// Is there a deletion operation after the last equality.
-		postDel = false;
-		while ( pointer < diffs.length ) {
-
-			// Equality found.
-			if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) {
-				if ( diffs[ pointer ][ 1 ].length < 4 && ( postIns || postDel ) ) {
-
-					// Candidate found.
-					equalities[ equalitiesLength++ ] = pointer;
-					preIns = postIns;
-					preDel = postDel;
-					lastequality = diffs[ pointer ][ 1 ];
-				} else {
-
-					// Not a candidate, and can never become one.
-					equalitiesLength = 0;
-					lastequality = null;
-				}
-				postIns = postDel = false;
-
-			// An insertion or deletion.
-			} else {
-
-				if ( diffs[ pointer ][ 0 ] === DIFF_DELETE ) {
-					postDel = true;
-				} else {
-					postIns = true;
-				}
-
-				/*
-				 * Five types to be split:
-				 * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
-				 * <ins>A</ins>X<ins>C</ins><del>D</del>
-				 * <ins>A</ins><del>B</del>X<ins>C</ins>
-				 * <ins>A</del>X<ins>C</ins><del>D</del>
-				 * <ins>A</ins><del>B</del>X<del>C</del>
-				 */
-				if ( lastequality && ( ( preIns && preDel && postIns && postDel ) ||
-						( ( lastequality.length < 2 ) &&
-						( preIns + preDel + postIns + postDel ) === 3 ) ) ) {
-
-					// Duplicate record.
-					diffs.splice(
-						equalities[ equalitiesLength - 1 ],
-						0,
-						[ DIFF_DELETE, lastequality ]
-					);
-
-					// Change second copy to insert.
-					diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
-					equalitiesLength--; // Throw away the equality we just deleted;
-					lastequality = null;
-					if ( preIns && preDel ) {
-
-						// No changes made which could affect previous entry, keep going.
-						postIns = postDel = true;
-						equalitiesLength = 0;
-					} else {
-						equalitiesLength--; // Throw away the previous equality.
-						pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
-						postIns = postDel = false;
-					}
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-	};
-
-	/**
-	 * Convert a diff array into a pretty HTML report.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 * @param {integer} string to be beautified.
-	 * @return {string} HTML representation.
-	 */
-	DiffMatchPatch.prototype.diffPrettyHtml = function( diffs ) {
-		var op, data, x,
-			html = [];
-		for ( x = 0; x < diffs.length; x++ ) {
-			op = diffs[ x ][ 0 ]; // Operation (insert, delete, equal)
-			data = diffs[ x ][ 1 ]; // Text of change.
-			switch ( op ) {
-			case DIFF_INSERT:
-				html[ x ] = "<ins>" + escapeText( data ) + "</ins>";
-				break;
-			case DIFF_DELETE:
-				html[ x ] = "<del>" + escapeText( data ) + "</del>";
-				break;
-			case DIFF_EQUAL:
-				html[ x ] = "<span>" + escapeText( data ) + "</span>";
-				break;
-			}
-		}
-		return html.join( "" );
-	};
-
-	/**
-	 * Determine the common prefix of two strings.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the start of each
-	 *     string.
-	 */
-	DiffMatchPatch.prototype.diffCommonPrefix = function( text1, text2 ) {
-		var pointermid, pointermax, pointermin, pointerstart;
-
-		// Quick check for common null cases.
-		if ( !text1 || !text2 || text1.charAt( 0 ) !== text2.charAt( 0 ) ) {
-			return 0;
-		}
-
-		// Binary search.
-		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
-		pointermin = 0;
-		pointermax = Math.min( text1.length, text2.length );
-		pointermid = pointermax;
-		pointerstart = 0;
-		while ( pointermin < pointermid ) {
-			if ( text1.substring( pointerstart, pointermid ) ===
-					text2.substring( pointerstart, pointermid ) ) {
-				pointermin = pointermid;
-				pointerstart = pointermin;
-			} else {
-				pointermax = pointermid;
-			}
-			pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-		}
-		return pointermid;
-	};
-
-	/**
-	 * Determine the common suffix of two strings.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the end of each string.
-	 */
-	DiffMatchPatch.prototype.diffCommonSuffix = function( text1, text2 ) {
-		var pointermid, pointermax, pointermin, pointerend;
-
-		// Quick check for common null cases.
-		if ( !text1 ||
-				!text2 ||
-				text1.charAt( text1.length - 1 ) !== text2.charAt( text2.length - 1 ) ) {
-			return 0;
-		}
-
-		// Binary search.
-		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
-		pointermin = 0;
-		pointermax = Math.min( text1.length, text2.length );
-		pointermid = pointermax;
-		pointerend = 0;
-		while ( pointermin < pointermid ) {
-			if ( text1.substring( text1.length - pointermid, text1.length - pointerend ) ===
-					text2.substring( text2.length - pointermid, text2.length - pointerend ) ) {
-				pointermin = pointermid;
-				pointerend = pointermin;
-			} else {
-				pointermax = pointermid;
-			}
-			pointermid = Math.floor( ( pointermax - pointermin ) / 2 + pointermin );
-		}
-		return pointermid;
-	};
-
-	/**
-	 * Find the differences between two texts.  Assumes that the texts do not
-	 * have any common prefix or suffix.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {boolean} checklines Speedup flag.  If false, then don't run a
-	 *     line-level diff first to identify the changed areas.
-	 *     If true, then run a faster, slightly less optimal diff.
-	 * @param {number} deadline Time when the diff should be complete by.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCompute = function( text1, text2, checklines, deadline ) {
-		var diffs, longtext, shorttext, i, hm,
-			text1A, text2A, text1B, text2B,
-			midCommon, diffsA, diffsB;
-
-		if ( !text1 ) {
-
-			// Just add some text (speedup).
-			return [
-				[ DIFF_INSERT, text2 ]
-			];
-		}
-
-		if ( !text2 ) {
-
-			// Just delete some text (speedup).
-			return [
-				[ DIFF_DELETE, text1 ]
-			];
-		}
-
-		longtext = text1.length > text2.length ? text1 : text2;
-		shorttext = text1.length > text2.length ? text2 : text1;
-		i = longtext.indexOf( shorttext );
-		if ( i !== -1 ) {
-
-			// Shorter text is inside the longer text (speedup).
-			diffs = [
-				[ DIFF_INSERT, longtext.substring( 0, i ) ],
-				[ DIFF_EQUAL, shorttext ],
-				[ DIFF_INSERT, longtext.substring( i + shorttext.length ) ]
-			];
-
-			// Swap insertions for deletions if diff is reversed.
-			if ( text1.length > text2.length ) {
-				diffs[ 0 ][ 0 ] = diffs[ 2 ][ 0 ] = DIFF_DELETE;
-			}
-			return diffs;
-		}
-
-		if ( shorttext.length === 1 ) {
-
-			// Single character string.
-			// After the previous speedup, the character can't be an equality.
-			return [
-				[ DIFF_DELETE, text1 ],
-				[ DIFF_INSERT, text2 ]
-			];
-		}
-
-		// Check to see if the problem can be split in two.
-		hm = this.diffHalfMatch( text1, text2 );
-		if ( hm ) {
-
-			// A half-match was found, sort out the return data.
-			text1A = hm[ 0 ];
-			text1B = hm[ 1 ];
-			text2A = hm[ 2 ];
-			text2B = hm[ 3 ];
-			midCommon = hm[ 4 ];
-
-			// Send both pairs off for separate processing.
-			diffsA = this.DiffMain( text1A, text2A, checklines, deadline );
-			diffsB = this.DiffMain( text1B, text2B, checklines, deadline );
-
-			// Merge the results.
-			return diffsA.concat( [
-				[ DIFF_EQUAL, midCommon ]
-			], diffsB );
-		}
-
-		if ( checklines && text1.length > 100 && text2.length > 100 ) {
-			return this.diffLineMode( text1, text2, deadline );
-		}
-
-		return this.diffBisect( text1, text2, deadline );
-	};
-
-	/**
-	 * Do the two texts share a substring which is at least half the length of the
-	 * longer text?
-	 * This speedup can produce non-minimal diffs.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {Array.<string>} Five element Array, containing the prefix of
-	 *     text1, the suffix of text1, the prefix of text2, the suffix of
-	 *     text2 and the common middle.  Or null if there was no match.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffHalfMatch = function( text1, text2 ) {
-		var longtext, shorttext, dmp,
-			text1A, text2B, text2A, text1B, midCommon,
-			hm1, hm2, hm;
-
-		longtext = text1.length > text2.length ? text1 : text2;
-		shorttext = text1.length > text2.length ? text2 : text1;
-		if ( longtext.length < 4 || shorttext.length * 2 < longtext.length ) {
-			return null; // Pointless.
-		}
-		dmp = this; // 'this' becomes 'window' in a closure.
-
-		/**
-		 * Does a substring of shorttext exist within longtext such that the substring
-		 * is at least half the length of longtext?
-		 * Closure, but does not reference any external variables.
-		 * @param {string} longtext Longer string.
-		 * @param {string} shorttext Shorter string.
-		 * @param {number} i Start index of quarter length substring within longtext.
-		 * @return {Array.<string>} Five element Array, containing the prefix of
-		 *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
-		 *     of shorttext and the common middle.  Or null if there was no match.
-		 * @private
-		 */
-		function diffHalfMatchI( longtext, shorttext, i ) {
-			var seed, j, bestCommon, prefixLength, suffixLength,
-				bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB;
-
-			// Start with a 1/4 length substring at position i as a seed.
-			seed = longtext.substring( i, i + Math.floor( longtext.length / 4 ) );
-			j = -1;
-			bestCommon = "";
-			while ( ( j = shorttext.indexOf( seed, j + 1 ) ) !== -1 ) {
-				prefixLength = dmp.diffCommonPrefix( longtext.substring( i ),
-					shorttext.substring( j ) );
-				suffixLength = dmp.diffCommonSuffix( longtext.substring( 0, i ),
-					shorttext.substring( 0, j ) );
-				if ( bestCommon.length < suffixLength + prefixLength ) {
-					bestCommon = shorttext.substring( j - suffixLength, j ) +
-						shorttext.substring( j, j + prefixLength );
-					bestLongtextA = longtext.substring( 0, i - suffixLength );
-					bestLongtextB = longtext.substring( i + prefixLength );
-					bestShorttextA = shorttext.substring( 0, j - suffixLength );
-					bestShorttextB = shorttext.substring( j + prefixLength );
-				}
-			}
-			if ( bestCommon.length * 2 >= longtext.length ) {
-				return [ bestLongtextA, bestLongtextB,
-					bestShorttextA, bestShorttextB, bestCommon
-				];
-			} else {
-				return null;
-			}
-		}
-
-		// First check if the second quarter is the seed for a half-match.
-		hm1 = diffHalfMatchI( longtext, shorttext,
-			Math.ceil( longtext.length / 4 ) );
-
-		// Check again based on the third quarter.
-		hm2 = diffHalfMatchI( longtext, shorttext,
-			Math.ceil( longtext.length / 2 ) );
-		if ( !hm1 && !hm2 ) {
-			return null;
-		} else if ( !hm2 ) {
-			hm = hm1;
-		} else if ( !hm1 ) {
-			hm = hm2;
-		} else {
-
-			// Both matched.  Select the longest.
-			hm = hm1[ 4 ].length > hm2[ 4 ].length ? hm1 : hm2;
-		}
-
-		// A half-match was found, sort out the return data.
-		text1A, text1B, text2A, text2B;
-		if ( text1.length > text2.length ) {
-			text1A = hm[ 0 ];
-			text1B = hm[ 1 ];
-			text2A = hm[ 2 ];
-			text2B = hm[ 3 ];
-		} else {
-			text2A = hm[ 0 ];
-			text2B = hm[ 1 ];
-			text1A = hm[ 2 ];
-			text1B = hm[ 3 ];
-		}
-		midCommon = hm[ 4 ];
-		return [ text1A, text1B, text2A, text2B, midCommon ];
-	};
-
-	/**
-	 * Do a quick line-level diff on both strings, then rediff the parts for
-	 * greater accuracy.
-	 * This speedup can produce non-minimal diffs.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} deadline Time when the diff should be complete by.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffLineMode = function( text1, text2, deadline ) {
-		var a, diffs, linearray, pointer, countInsert,
-			countDelete, textInsert, textDelete, j;
-
-		// Scan the text on a line-by-line basis first.
-		a = this.diffLinesToChars( text1, text2 );
-		text1 = a.chars1;
-		text2 = a.chars2;
-		linearray = a.lineArray;
-
-		diffs = this.DiffMain( text1, text2, false, deadline );
-
-		// Convert the diff back to original text.
-		this.diffCharsToLines( diffs, linearray );
-
-		// Eliminate freak matches (e.g. blank lines)
-		this.diffCleanupSemantic( diffs );
-
-		// Rediff any replacement blocks, this time character-by-character.
-		// Add a dummy entry at the end.
-		diffs.push( [ DIFF_EQUAL, "" ] );
-		pointer = 0;
-		countDelete = 0;
-		countInsert = 0;
-		textDelete = "";
-		textInsert = "";
-		while ( pointer < diffs.length ) {
-			switch ( diffs[ pointer ][ 0 ] ) {
-			case DIFF_INSERT:
-				countInsert++;
-				textInsert += diffs[ pointer ][ 1 ];
-				break;
-			case DIFF_DELETE:
-				countDelete++;
-				textDelete += diffs[ pointer ][ 1 ];
-				break;
-			case DIFF_EQUAL:
-
-				// Upon reaching an equality, check for prior redundancies.
-				if ( countDelete >= 1 && countInsert >= 1 ) {
-
-					// Delete the offending records and add the merged ones.
-					diffs.splice( pointer - countDelete - countInsert,
-						countDelete + countInsert );
-					pointer = pointer - countDelete - countInsert;
-					a = this.DiffMain( textDelete, textInsert, false, deadline );
-					for ( j = a.length - 1; j >= 0; j-- ) {
-						diffs.splice( pointer, 0, a[ j ] );
-					}
-					pointer = pointer + a.length;
-				}
-				countInsert = 0;
-				countDelete = 0;
-				textDelete = "";
-				textInsert = "";
-				break;
-			}
-			pointer++;
-		}
-		diffs.pop(); // Remove the dummy entry at the end.
-
-		return diffs;
-	};
-
-	/**
-	 * Find the 'middle snake' of a diff, split the problem in two
-	 * and return the recursively constructed diff.
-	 * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} deadline Time at which to bail if not yet complete.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffBisect = function( text1, text2, deadline ) {
-		var text1Length, text2Length, maxD, vOffset, vLength,
-			v1, v2, x, delta, front, k1start, k1end, k2start,
-			k2end, k2Offset, k1Offset, x1, x2, y1, y2, d, k1, k2;
-
-		// Cache the text lengths to prevent multiple calls.
-		text1Length = text1.length;
-		text2Length = text2.length;
-		maxD = Math.ceil( ( text1Length + text2Length ) / 2 );
-		vOffset = maxD;
-		vLength = 2 * maxD;
-		v1 = new Array( vLength );
-		v2 = new Array( vLength );
-
-		// Setting all elements to -1 is faster in Chrome & Firefox than mixing
-		// integers and undefined.
-		for ( x = 0; x < vLength; x++ ) {
-			v1[ x ] = -1;
-			v2[ x ] = -1;
-		}
-		v1[ vOffset + 1 ] = 0;
-		v2[ vOffset + 1 ] = 0;
-		delta = text1Length - text2Length;
-
-		// If the total number of characters is odd, then the front path will collide
-		// with the reverse path.
-		front = ( delta % 2 !== 0 );
-
-		// Offsets for start and end of k loop.
-		// Prevents mapping of space beyond the grid.
-		k1start = 0;
-		k1end = 0;
-		k2start = 0;
-		k2end = 0;
-		for ( d = 0; d < maxD; d++ ) {
-
-			// Bail out if deadline is reached.
-			if ( ( new Date() ).getTime() > deadline ) {
-				break;
-			}
-
-			// Walk the front path one step.
-			for ( k1 = -d + k1start; k1 <= d - k1end; k1 += 2 ) {
-				k1Offset = vOffset + k1;
-				if ( k1 === -d || ( k1 !== d && v1[ k1Offset - 1 ] < v1[ k1Offset + 1 ] ) ) {
-					x1 = v1[ k1Offset + 1 ];
-				} else {
-					x1 = v1[ k1Offset - 1 ] + 1;
-				}
-				y1 = x1 - k1;
-				while ( x1 < text1Length && y1 < text2Length &&
-					text1.charAt( x1 ) === text2.charAt( y1 ) ) {
-					x1++;
-					y1++;
-				}
-				v1[ k1Offset ] = x1;
-				if ( x1 > text1Length ) {
-
-					// Ran off the right of the graph.
-					k1end += 2;
-				} else if ( y1 > text2Length ) {
-
-					// Ran off the bottom of the graph.
-					k1start += 2;
-				} else if ( front ) {
-					k2Offset = vOffset + delta - k1;
-					if ( k2Offset >= 0 && k2Offset < vLength && v2[ k2Offset ] !== -1 ) {
-
-						// Mirror x2 onto top-left coordinate system.
-						x2 = text1Length - v2[ k2Offset ];
-						if ( x1 >= x2 ) {
-
-							// Overlap detected.
-							return this.diffBisectSplit( text1, text2, x1, y1, deadline );
-						}
-					}
-				}
-			}
-
-			// Walk the reverse path one step.
-			for ( k2 = -d + k2start; k2 <= d - k2end; k2 += 2 ) {
-				k2Offset = vOffset + k2;
-				if ( k2 === -d || ( k2 !== d && v2[ k2Offset - 1 ] < v2[ k2Offset + 1 ] ) ) {
-					x2 = v2[ k2Offset + 1 ];
-				} else {
-					x2 = v2[ k2Offset - 1 ] + 1;
-				}
-				y2 = x2 - k2;
-				while ( x2 < text1Length && y2 < text2Length &&
-					text1.charAt( text1Length - x2 - 1 ) ===
-					text2.charAt( text2Length - y2 - 1 ) ) {
-					x2++;
-					y2++;
-				}
-				v2[ k2Offset ] = x2;
-				if ( x2 > text1Length ) {
-
-					// Ran off the left of the graph.
-					k2end += 2;
-				} else if ( y2 > text2Length ) {
-
-					// Ran off the top of the graph.
-					k2start += 2;
-				} else if ( !front ) {
-					k1Offset = vOffset + delta - k2;
-					if ( k1Offset >= 0 && k1Offset < vLength && v1[ k1Offset ] !== -1 ) {
-						x1 = v1[ k1Offset ];
-						y1 = vOffset + x1 - k1Offset;
-
-						// Mirror x2 onto top-left coordinate system.
-						x2 = text1Length - x2;
-						if ( x1 >= x2 ) {
-
-							// Overlap detected.
-							return this.diffBisectSplit( text1, text2, x1, y1, deadline );
-						}
-					}
-				}
-			}
-		}
-
-		// Diff took too long and hit the deadline or
-		// number of diffs equals number of characters, no commonality at all.
-		return [
-			[ DIFF_DELETE, text1 ],
-			[ DIFF_INSERT, text2 ]
-		];
-	};
-
-	/**
-	 * Given the location of the 'middle snake', split the diff in two parts
-	 * and recurse.
-	 * @param {string} text1 Old string to be diffed.
-	 * @param {string} text2 New string to be diffed.
-	 * @param {number} x Index of split point in text1.
-	 * @param {number} y Index of split point in text2.
-	 * @param {number} deadline Time at which to bail if not yet complete.
-	 * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffBisectSplit = function( text1, text2, x, y, deadline ) {
-		var text1a, text1b, text2a, text2b, diffs, diffsb;
-		text1a = text1.substring( 0, x );
-		text2a = text2.substring( 0, y );
-		text1b = text1.substring( x );
-		text2b = text2.substring( y );
-
-		// Compute both diffs serially.
-		diffs = this.DiffMain( text1a, text2a, false, deadline );
-		diffsb = this.DiffMain( text1b, text2b, false, deadline );
-
-		return diffs.concat( diffsb );
-	};
-
-	/**
-	 * Reduce the number of edits by eliminating semantically trivial equalities.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupSemantic = function( diffs ) {
-		var changes, equalities, equalitiesLength, lastequality,
-			pointer, lengthInsertions2, lengthDeletions2, lengthInsertions1,
-			lengthDeletions1, deletion, insertion, overlapLength1, overlapLength2;
-		changes = false;
-		equalities = []; // Stack of indices where equalities are found.
-		equalitiesLength = 0; // Keeping our own length var is faster in JS.
-		/** @type {?string} */
-		lastequality = null;
-
-		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
-		pointer = 0; // Index of current position.
-
-		// Number of characters that changed prior to the equality.
-		lengthInsertions1 = 0;
-		lengthDeletions1 = 0;
-
-		// Number of characters that changed after the equality.
-		lengthInsertions2 = 0;
-		lengthDeletions2 = 0;
-		while ( pointer < diffs.length ) {
-			if ( diffs[ pointer ][ 0 ] === DIFF_EQUAL ) { // Equality found.
-				equalities[ equalitiesLength++ ] = pointer;
-				lengthInsertions1 = lengthInsertions2;
-				lengthDeletions1 = lengthDeletions2;
-				lengthInsertions2 = 0;
-				lengthDeletions2 = 0;
-				lastequality = diffs[ pointer ][ 1 ];
-			} else { // An insertion or deletion.
-				if ( diffs[ pointer ][ 0 ] === DIFF_INSERT ) {
-					lengthInsertions2 += diffs[ pointer ][ 1 ].length;
-				} else {
-					lengthDeletions2 += diffs[ pointer ][ 1 ].length;
-				}
-
-				// Eliminate an equality that is smaller or equal to the edits on both
-				// sides of it.
-				if ( lastequality && ( lastequality.length <=
-						Math.max( lengthInsertions1, lengthDeletions1 ) ) &&
-						( lastequality.length <= Math.max( lengthInsertions2,
-							lengthDeletions2 ) ) ) {
-
-					// Duplicate record.
-					diffs.splice(
-						equalities[ equalitiesLength - 1 ],
-						0,
-						[ DIFF_DELETE, lastequality ]
-					);
-
-					// Change second copy to insert.
-					diffs[ equalities[ equalitiesLength - 1 ] + 1 ][ 0 ] = DIFF_INSERT;
-
-					// Throw away the equality we just deleted.
-					equalitiesLength--;
-
-					// Throw away the previous equality (it needs to be reevaluated).
-					equalitiesLength--;
-					pointer = equalitiesLength > 0 ? equalities[ equalitiesLength - 1 ] : -1;
-
-					// Reset the counters.
-					lengthInsertions1 = 0;
-					lengthDeletions1 = 0;
-					lengthInsertions2 = 0;
-					lengthDeletions2 = 0;
-					lastequality = null;
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-
-		// Normalize the diff.
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-
-		// Find any overlaps between deletions and insertions.
-		// e.g: <del>abcxxx</del><ins>xxxdef</ins>
-		//   -> <del>abc</del>xxx<ins>def</ins>
-		// e.g: <del>xxxabc</del><ins>defxxx</ins>
-		//   -> <ins>def</ins>xxx<del>abc</del>
-		// Only extract an overlap if it is as big as the edit ahead or behind it.
-		pointer = 1;
-		while ( pointer < diffs.length ) {
-			if ( diffs[ pointer - 1 ][ 0 ] === DIFF_DELETE &&
-					diffs[ pointer ][ 0 ] === DIFF_INSERT ) {
-				deletion = diffs[ pointer - 1 ][ 1 ];
-				insertion = diffs[ pointer ][ 1 ];
-				overlapLength1 = this.diffCommonOverlap( deletion, insertion );
-				overlapLength2 = this.diffCommonOverlap( insertion, deletion );
-				if ( overlapLength1 >= overlapLength2 ) {
-					if ( overlapLength1 >= deletion.length / 2 ||
-							overlapLength1 >= insertion.length / 2 ) {
-
-						// Overlap found.  Insert an equality and trim the surrounding edits.
-						diffs.splice(
-							pointer,
-							0,
-							[ DIFF_EQUAL, insertion.substring( 0, overlapLength1 ) ]
-						);
-						diffs[ pointer - 1 ][ 1 ] =
-							deletion.substring( 0, deletion.length - overlapLength1 );
-						diffs[ pointer + 1 ][ 1 ] = insertion.substring( overlapLength1 );
-						pointer++;
-					}
-				} else {
-					if ( overlapLength2 >= deletion.length / 2 ||
-							overlapLength2 >= insertion.length / 2 ) {
-
-						// Reverse overlap found.
-						// Insert an equality and swap and trim the surrounding edits.
-						diffs.splice(
-							pointer,
-							0,
-							[ DIFF_EQUAL, deletion.substring( 0, overlapLength2 ) ]
-						);
-
-						diffs[ pointer - 1 ][ 0 ] = DIFF_INSERT;
-						diffs[ pointer - 1 ][ 1 ] =
-							insertion.substring( 0, insertion.length - overlapLength2 );
-						diffs[ pointer + 1 ][ 0 ] = DIFF_DELETE;
-						diffs[ pointer + 1 ][ 1 ] =
-							deletion.substring( overlapLength2 );
-						pointer++;
-					}
-				}
-				pointer++;
-			}
-			pointer++;
-		}
-	};
-
-	/**
-	 * Determine if the suffix of one string is the prefix of another.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {number} The number of characters common to the end of the first
-	 *     string and the start of the second string.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCommonOverlap = function( text1, text2 ) {
-		var text1Length, text2Length, textLength,
-			best, length, pattern, found;
-
-		// Cache the text lengths to prevent multiple calls.
-		text1Length = text1.length;
-		text2Length = text2.length;
-
-		// Eliminate the null case.
-		if ( text1Length === 0 || text2Length === 0 ) {
-			return 0;
-		}
-
-		// Truncate the longer string.
-		if ( text1Length > text2Length ) {
-			text1 = text1.substring( text1Length - text2Length );
-		} else if ( text1Length < text2Length ) {
-			text2 = text2.substring( 0, text1Length );
-		}
-		textLength = Math.min( text1Length, text2Length );
-
-		// Quick check for the worst case.
-		if ( text1 === text2 ) {
-			return textLength;
-		}
-
-		// Start by looking for a single character match
-		// and increase length until no match is found.
-		// Performance analysis: https://neil.fraser.name/news/2010/11/04/
-		best = 0;
-		length = 1;
-		while ( true ) {
-			pattern = text1.substring( textLength - length );
-			found = text2.indexOf( pattern );
-			if ( found === -1 ) {
-				return best;
-			}
-			length += found;
-			if ( found === 0 || text1.substring( textLength - length ) ===
-					text2.substring( 0, length ) ) {
-				best = length;
-				length++;
-			}
-		}
-	};
-
-	/**
-	 * Split two texts into an array of strings.  Reduce the texts to a string of
-	 * hashes where each Unicode character represents one line.
-	 * @param {string} text1 First string.
-	 * @param {string} text2 Second string.
-	 * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
-	 *     An object containing the encoded text1, the encoded text2 and
-	 *     the array of unique strings.
-	 *     The zeroth element of the array of unique strings is intentionally blank.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffLinesToChars = function( text1, text2 ) {
-		var lineArray, lineHash, chars1, chars2;
-		lineArray = []; // E.g. lineArray[4] === 'Hello\n'
-		lineHash = {};  // E.g. lineHash['Hello\n'] === 4
-
-		// '\x00' is a valid character, but various debuggers don't like it.
-		// So we'll insert a junk entry to avoid generating a null character.
-		lineArray[ 0 ] = "";
-
-		/**
-		 * Split a text into an array of strings.  Reduce the texts to a string of
-		 * hashes where each Unicode character represents one line.
-		 * Modifies linearray and linehash through being a closure.
-		 * @param {string} text String to encode.
-		 * @return {string} Encoded string.
-		 * @private
-		 */
-		function diffLinesToCharsMunge( text ) {
-			var chars, lineStart, lineEnd, lineArrayLength, line;
-			chars = "";
-
-			// Walk the text, pulling out a substring for each line.
-			// text.split('\n') would would temporarily double our memory footprint.
-			// Modifying text would create many large strings to garbage collect.
-			lineStart = 0;
-			lineEnd = -1;
-
-			// Keeping our own length variable is faster than looking it up.
-			lineArrayLength = lineArray.length;
-			while ( lineEnd < text.length - 1 ) {
-				lineEnd = text.indexOf( "\n", lineStart );
-				if ( lineEnd === -1 ) {
-					lineEnd = text.length - 1;
-				}
-				line = text.substring( lineStart, lineEnd + 1 );
-				lineStart = lineEnd + 1;
-
-				if ( lineHash.hasOwnProperty ? lineHash.hasOwnProperty( line ) :
-							( lineHash[ line ] !== undefined ) ) {
-					chars += String.fromCharCode( lineHash[ line ] );
-				} else {
-					chars += String.fromCharCode( lineArrayLength );
-					lineHash[ line ] = lineArrayLength;
-					lineArray[ lineArrayLength++ ] = line;
-				}
-			}
-			return chars;
-		}
-
-		chars1 = diffLinesToCharsMunge( text1 );
-		chars2 = diffLinesToCharsMunge( text2 );
-		return {
-			chars1: chars1,
-			chars2: chars2,
-			lineArray: lineArray
-		};
-	};
-
-	/**
-	 * Rehydrate the text in a diff from a string of line hashes to real lines of
-	 * text.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 * @param {!Array.<string>} lineArray Array of unique strings.
-	 * @private
-	 */
-	DiffMatchPatch.prototype.diffCharsToLines = function( diffs, lineArray ) {
-		var x, chars, text, y;
-		for ( x = 0; x < diffs.length; x++ ) {
-			chars = diffs[ x ][ 1 ];
-			text = [];
-			for ( y = 0; y < chars.length; y++ ) {
-				text[ y ] = lineArray[ chars.charCodeAt( y ) ];
-			}
-			diffs[ x ][ 1 ] = text.join( "" );
-		}
-	};
-
-	/**
-	 * Reorder and merge like edit sections.  Merge equalities.
-	 * Any edit section can move as long as it doesn't cross an equality.
-	 * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
-	 */
-	DiffMatchPatch.prototype.diffCleanupMerge = function( diffs ) {
-		var pointer, countDelete, countInsert, textInsert, textDelete,
-			commonlength, changes, diffPointer, position;
-		diffs.push( [ DIFF_EQUAL, "" ] ); // Add a dummy entry at the end.
-		pointer = 0;
-		countDelete = 0;
-		countInsert = 0;
-		textDelete = "";
-		textInsert = "";
-		commonlength;
-		while ( pointer < diffs.length ) {
-			switch ( diffs[ pointer ][ 0 ] ) {
-			case DIFF_INSERT:
-				countInsert++;
-				textInsert += diffs[ pointer ][ 1 ];
-				pointer++;
-				break;
-			case DIFF_DELETE:
-				countDelete++;
-				textDelete += diffs[ pointer ][ 1 ];
-				pointer++;
-				break;
-			case DIFF_EQUAL:
-
-				// Upon reaching an equality, check for prior redundancies.
-				if ( countDelete + countInsert > 1 ) {
-					if ( countDelete !== 0 && countInsert !== 0 ) {
-
-						// Factor out any common prefixes.
-						commonlength = this.diffCommonPrefix( textInsert, textDelete );
-						if ( commonlength !== 0 ) {
-							if ( ( pointer - countDelete - countInsert ) > 0 &&
-									diffs[ pointer - countDelete - countInsert - 1 ][ 0 ] ===
-									DIFF_EQUAL ) {
-								diffs[ pointer - countDelete - countInsert - 1 ][ 1 ] +=
-									textInsert.substring( 0, commonlength );
-							} else {
-								diffs.splice( 0, 0, [ DIFF_EQUAL,
-									textInsert.substring( 0, commonlength )
-								] );
-								pointer++;
-							}
-							textInsert = textInsert.substring( commonlength );
-							textDelete = textDelete.substring( commonlength );
-						}
-
-						// Factor out any common suffixies.
-						commonlength = this.diffCommonSuffix( textInsert, textDelete );
-						if ( commonlength !== 0 ) {
-							diffs[ pointer ][ 1 ] = textInsert.substring( textInsert.length -
-									commonlength ) + diffs[ pointer ][ 1 ];
-							textInsert = textInsert.substring( 0, textInsert.length -
-								commonlength );
-							textDelete = textDelete.substring( 0, textDelete.length -
-								commonlength );
-						}
-					}
-
-					// Delete the offending records and add the merged ones.
-					if ( countDelete === 0 ) {
-						diffs.splice( pointer - countInsert,
-							countDelete + countInsert, [ DIFF_INSERT, textInsert ] );
-					} else if ( countInsert === 0 ) {
-						diffs.splice( pointer - countDelete,
-							countDelete + countInsert, [ DIFF_DELETE, textDelete ] );
-					} else {
-						diffs.splice(
-							pointer - countDelete - countInsert,
-							countDelete + countInsert,
-							[ DIFF_DELETE, textDelete ], [ DIFF_INSERT, textInsert ]
-						);
-					}
-					pointer = pointer - countDelete - countInsert +
-						( countDelete ? 1 : 0 ) + ( countInsert ? 1 : 0 ) + 1;
-				} else if ( pointer !== 0 && diffs[ pointer - 1 ][ 0 ] === DIFF_EQUAL ) {
-
-					// Merge this equality with the previous one.
-					diffs[ pointer - 1 ][ 1 ] += diffs[ pointer ][ 1 ];
-					diffs.splice( pointer, 1 );
-				} else {
-					pointer++;
-				}
-				countInsert = 0;
-				countDelete = 0;
-				textDelete = "";
-				textInsert = "";
-				break;
-			}
-		}
-		if ( diffs[ diffs.length - 1 ][ 1 ] === "" ) {
-			diffs.pop(); // Remove the dummy entry at the end.
-		}
-
-		// Second pass: look for single edits surrounded on both sides by equalities
-		// which can be shifted sideways to eliminate an equality.
-		// e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
-		changes = false;
-		pointer = 1;
-
-		// Intentionally ignore the first and last element (don't need checking).
-		while ( pointer < diffs.length - 1 ) {
-			if ( diffs[ pointer - 1 ][ 0 ] === DIFF_EQUAL &&
-					diffs[ pointer + 1 ][ 0 ] === DIFF_EQUAL ) {
-
-				diffPointer = diffs[ pointer ][ 1 ];
-				position = diffPointer.substring(
-					diffPointer.length - diffs[ pointer - 1 ][ 1 ].length
-				);
-
-				// This is a single edit surrounded by equalities.
-				if ( position === diffs[ pointer - 1 ][ 1 ] ) {
-
-					// Shift the edit over the previous equality.
-					diffs[ pointer ][ 1 ] = diffs[ pointer - 1 ][ 1 ] +
-						diffs[ pointer ][ 1 ].substring( 0, diffs[ pointer ][ 1 ].length -
-							diffs[ pointer - 1 ][ 1 ].length );
-					diffs[ pointer + 1 ][ 1 ] =
-						diffs[ pointer - 1 ][ 1 ] + diffs[ pointer + 1 ][ 1 ];
-					diffs.splice( pointer - 1, 1 );
-					changes = true;
-				} else if ( diffPointer.substring( 0, diffs[ pointer + 1 ][ 1 ].length ) ===
-						diffs[ pointer + 1 ][ 1 ] ) {
-
-					// Shift the edit over the next equality.
-					diffs[ pointer - 1 ][ 1 ] += diffs[ pointer + 1 ][ 1 ];
-					diffs[ pointer ][ 1 ] =
-						diffs[ pointer ][ 1 ].substring( diffs[ pointer + 1 ][ 1 ].length ) +
-						diffs[ pointer + 1 ][ 1 ];
-					diffs.splice( pointer + 1, 1 );
-					changes = true;
-				}
-			}
-			pointer++;
-		}
-
-		// If shifts were made, the diff needs reordering and another shift sweep.
-		if ( changes ) {
-			this.diffCleanupMerge( diffs );
-		}
-	};
-
-	return function( o, n ) {
-		var diff, output, text;
-		diff = new DiffMatchPatch();
-		output = diff.DiffMain( o, n );
-		diff.diffCleanupEfficiency( output );
-		text = diff.diffPrettyHtml( output );
-
-		return text;
-	};
-}() );
-
-}() );
+  var sessionStorage = function () {
+  	var x = "qunit-test-string";
+  	try {
+  		sessionStorage.setItem(x, x);
+  		sessionStorage.removeItem(x);
+  		return sessionStorage;
+  	} catch (e) {
+  		return undefined;
+  	}
+  }();
+
+  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+    return typeof obj;
+  } : function (obj) {
+    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+  };
+
+
+
+
+
+
+
+
+
+
+
+  var classCallCheck = function (instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  };
+
+  var createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+  var toConsumableArray = function (arr) {
+    if (Array.isArray(arr)) {
+      for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+      return arr2;
+    } else {
+      return Array.from(arr);
+    }
+  };
+
+  var toString = Object.prototype.toString;
+  var hasOwn = Object.prototype.hasOwnProperty;
+  var now = Date.now || function () {
+  	return new Date().getTime();
+  };
+
+  var defined = {
+  	document: window && window.document !== undefined,
+  	setTimeout: setTimeout !== undefined
+  };
+
+  // Returns a new Array with the elements that are in a but not in b
+  function diff(a, b) {
+  	var i,
+  	    j,
+  	    result = a.slice();
+
+  	for (i = 0; i < result.length; i++) {
+  		for (j = 0; j < b.length; j++) {
+  			if (result[i] === b[j]) {
+  				result.splice(i, 1);
+  				i--;
+  				break;
+  			}
+  		}
+  	}
+  	return result;
+  }
+
+  /**
+   * Determines whether an element exists in a given array or not.
+   *
+   * @method inArray
+   * @param {Any} elem
+   * @param {Array} array
+   * @return {Boolean}
+   */
+  function inArray(elem, array) {
+  	return array.indexOf(elem) !== -1;
+  }
+
+  /**
+   * Makes a clone of an object using only Array or Object as base,
+   * and copies over the own enumerable properties.
+   *
+   * @param {Object} obj
+   * @return {Object} New object with only the own properties (recursively).
+   */
+  function objectValues(obj) {
+  	var key,
+  	    val,
+  	    vals = is("array", obj) ? [] : {};
+  	for (key in obj) {
+  		if (hasOwn.call(obj, key)) {
+  			val = obj[key];
+  			vals[key] = val === Object(val) ? objectValues(val) : val;
+  		}
+  	}
+  	return vals;
+  }
+
+  function extend(a, b, undefOnly) {
+  	for (var prop in b) {
+  		if (hasOwn.call(b, prop)) {
+  			if (b[prop] === undefined) {
+  				delete a[prop];
+  			} else if (!(undefOnly && typeof a[prop] !== "undefined")) {
+  				a[prop] = b[prop];
+  			}
+  		}
+  	}
+
+  	return a;
+  }
+
+  function objectType(obj) {
+  	if (typeof obj === "undefined") {
+  		return "undefined";
+  	}
+
+  	// Consider: typeof null === object
+  	if (obj === null) {
+  		return "null";
+  	}
+
+  	var match = toString.call(obj).match(/^\[object\s(.*)\]$/),
+  	    type = match && match[1];
+
+  	switch (type) {
+  		case "Number":
+  			if (isNaN(obj)) {
+  				return "nan";
+  			}
+  			return "number";
+  		case "String":
+  		case "Boolean":
+  		case "Array":
+  		case "Set":
+  		case "Map":
+  		case "Date":
+  		case "RegExp":
+  		case "Function":
+  		case "Symbol":
+  			return type.toLowerCase();
+  	}
+
+  	if ((typeof obj === "undefined" ? "undefined" : _typeof(obj)) === "object") {
+  		return "object";
+  	}
+  }
+
+  // Safe object type checking
+  function is(type, obj) {
+  	return objectType(obj) === type;
+  }
+
+  // Test for equality any JavaScript type.
+  // Authors: Philippe Rathé <[email protected]>, David Chan <[email protected]>
+  var equiv = (function () {
+
+  	// Value pairs queued for comparison. Used for breadth-first processing order, recursion
+  	// detection and avoiding repeated comparison (see below for details).
+  	// Elements are { a: val, b: val }.
+  	var pairs = [];
+
+  	var getProto = Object.getPrototypeOf || function (obj) {
+  		return obj.__proto__;
+  	};
+
+  	function useStrictEquality(a, b) {
+
+  		// This only gets called if a and b are not strict equal, and is used to compare on
+  		// the primitive values inside object wrappers. For example:
+  		// `var i = 1;`
+  		// `var j = new Number(1);`
+  		// Neither a nor b can be null, as a !== b and they have the same type.
+  		if ((typeof a === "undefined" ? "undefined" : _typeof(a)) === "object") {
+  			a = a.valueOf();
+  		}
+  		if ((typeof b === "undefined" ? "undefined" : _typeof(b)) === "object") {
+  			b = b.valueOf();
+  		}
+
+  		return a === b;
+  	}
+
+  	function compareConstructors(a, b) {
+  		var protoA = getProto(a);
+  		var protoB = getProto(b);
+
+  		// Comparing constructors is more strict than using `instanceof`
+  		if (a.constructor === b.constructor) {
+  			return true;
+  		}
+
+  		// Ref #851
+  		// If the obj prototype descends from a null constructor, treat it
+  		// as a null prototype.
+  		if (protoA && protoA.constructor === null) {
+  			protoA = null;
+  		}
+  		if (protoB && protoB.constructor === null) {
+  			protoB = null;
+  		}
+
+  		// Allow objects with no prototype to be equivalent to
+  		// objects with Object as their constructor.
+  		if (protoA === null && protoB === Object.prototype || protoB === null && protoA === Object.prototype) {
+  			return true;
+  		}
+
+  		return false;
+  	}
+
+  	function getRegExpFlags(regexp) {
+  		return "flags" in regexp ? regexp.flags : regexp.toString().match(/[gimuy]*$/)[0];
+  	}
+
+  	function isContainer(val) {
+  		return ["object", "array", "map", "set"].indexOf(objectType(val)) !== -1;
+  	}
+
+  	function breadthFirstCompareChild(a, b) {
+
+  		// If a is a container not reference-equal to b, postpone the comparison to the
+  		// end of the pairs queue -- unless (a, b) has been seen before, in which case skip
+  		// over the pair.
+  		if (a === b) {
+  			return true;
+  		}
+  		if (!isContainer(a)) {
+  			return typeEquiv(a, b);
+  		}
+  		if (pairs.every(function (pair) {
+  			return pair.a !== a || pair.b !== b;
+  		})) {
+
+  			// Not yet started comparing this pair
+  			pairs.push({ a: a, b: b });
+  		}
+  		return true;
+  	}
+
+  	var callbacks = {
+  		"string": useStrictEquality,
+  		"boolean": useStrictEquality,
+  		"number": useStrictEquality,
+  		"null": useStrictEquality,
+  		"undefined": useStrictEquality,
+  		"symbol": useStrictEquality,
+  		"date": useStrictEquality,
+
+  		"nan": function nan() {
+  			return true;
+  		},
+
+  		"regexp": function regexp(a, b) {
+  			return a.source === b.source &&
+
+  			// Include flags in the comparison
+  			getRegExpFlags(a) === getRegExpFlags(b);
+  		},
+
+  		// abort (identical references / instance methods were skipped earlier)
+  		"function": function _function() {
+  			return false;
+  		},
+
+  		"array": function array(a, b) {
+  			var i, len;
+
+  			len = a.length;
+  			if (len !== b.length) {
+
+  				// Safe and faster
+  				return false;
+  			}
+
+  			for (i = 0; i < len; i++) {
+
+  				// Compare non-containers; queue non-reference-equal containers
+  				if (!breadthFirstCompareChild(a[i], b[i])) {
+  					return false;
+  				}
+  			}
+  			return true;
+  		},
+
+  		// Define sets a and b to be equivalent if for each element aVal in a, there
+  		// is some element bVal in b such that aVal and bVal are equivalent. Element
+  		// repetitions are not counted, so these are equivalent:
+  		// a = new Set( [ {}, [], [] ] );
+  		// b = new Set( [ {}, {}, [] ] );
+  		"set": function set$$1(a, b) {
+  			var innerEq,
+  			    outerEq = true;
+
+  			if (a.size !== b.size) {
+
+  				// This optimization has certain quirks because of the lack of
+  				// repetition counting. For instance, adding the same
+  				// (reference-identical) element to two equivalent sets can
+  				// make them non-equivalent.
+  				return false;
+  			}
+
+  			a.forEach(function (aVal) {
+
+  				// Short-circuit if the result is already known. (Using for...of
+  				// with a break clause would be cleaner here, but it would cause
+  				// a syntax error on older Javascript implementations even if
+  				// Set is unused)
+  				if (!outerEq) {
+  					return;
+  				}
+
+  				innerEq = false;
+
+  				b.forEach(function (bVal) {
+  					var parentPairs;
+
+  					// Likewise, short-circuit if the result is already known
+  					if (innerEq) {
+  						return;
+  					}
+
+  					// Swap out the global pairs list, as the nested call to
+  					// innerEquiv will clobber its contents
+  					parentPairs = pairs;
+  					if (innerEquiv(bVal, aVal)) {
+  						innerEq = true;
+  					}
+
+  					// Replace the global pairs list
+  					pairs = parentPairs;
+  				});
+
+  				if (!innerEq) {
+  					outerEq = false;
+  				}
+  			});
+
+  			return outerEq;
+  		},
+
+  		// Define maps a and b to be equivalent if for each key-value pair (aKey, aVal)
+  		// in a, there is some key-value pair (bKey, bVal) in b such that
+  		// [ aKey, aVal ] and [ bKey, bVal ] are equivalent. Key repetitions are not
+  		// counted, so these are equivalent:
+  		// a = new Map( [ [ {}, 1 ], [ {}, 1 ], [ [], 1 ] ] );
+  		// b = new Map( [ [ {}, 1 ], [ [], 1 ], [ [], 1 ] ] );
+  		"map": function map(a, b) {
+  			var innerEq,
+  			    outerEq = true;
+
+  			if (a.size !== b.size) {
+
+  				// This optimization has certain quirks because of the lack of
+  				// repetition counting. For instance, adding the same
+  				// (reference-identical) key-value pair to two equivalent maps
+  				// can make them non-equivalent.
+  				return false;
+  			}
+
+  			a.forEach(function (aVal, aKey) {
+
+  				// Short-circuit if the result is already known. (Using for...of
+  				// with a break clause would be cleaner here, but it would cause
+  				// a syntax error on older Javascript implementations even if
+  				// Map is unused)
+  				if (!outerEq) {
+  					return;
+  				}
+
+  				innerEq = false;
+
+  				b.forEach(function (bVal, bKey) {
+  					var parentPairs;
+
+  					// Likewise, short-circuit if the result is already known
+  					if (innerEq) {
+  						return;
+  					}
+
+  					// Swap out the global pairs list, as the nested call to
+  					// innerEquiv will clobber its contents
+  					parentPairs = pairs;
+  					if (innerEquiv([bVal, bKey], [aVal, aKey])) {
+  						innerEq = true;
+  					}
+
+  					// Replace the global pairs list
+  					pairs = parentPairs;
+  				});
+
+  				if (!innerEq) {
+  					outerEq = false;
+  				}
+  			});
+
+  			return outerEq;
+  		},
+
+  		"object": function object(a, b) {
+  			var i,
+  			    aProperties = [],
+  			    bProperties = [];
+
+  			if (compareConstructors(a, b) === false) {
+  				return false;
+  			}
+
+  			// Be strict: don't ensure hasOwnProperty and go deep
+  			for (i in a) {
+
+  				// Collect a's properties
+  				aProperties.push(i);
+
+  				// Skip OOP methods that look the same
+  				if (a.constructor !== Object && typeof a.constructor !== "undefined" && typeof a[i] === "function" && typeof b[i] === "function" && a[i].toString() === b[i].toString()) {
+  					continue;
+  				}
+
+  				// Compare non-containers; queue non-reference-equal containers
+  				if (!breadthFirstCompareChild(a[i], b[i])) {
+  					return false;
+  				}
+  			}
+
+  			for (i in b) {
+
+  				// Collect b's properties
+  				bProperties.push(i);
+  			}
+
+  			// Ensures identical properties name
+  			return typeEquiv(aProperties.sort(), bProperties.sort());
+  		}
+  	};
+
+  	function typeEquiv(a, b) {
+  		var type = objectType(a);
+
+  		// Callbacks for containers will append to the pairs queue to achieve breadth-first
+  		// search order. The pairs queue is also used to avoid reprocessing any pair of
+  		// containers that are reference-equal to a previously visited pair (a special case
+  		// this being recursion detection).
+  		//
+  		// Because of this approach, once typeEquiv returns a false value, it should not be
+  		// called again without clearing the pair queue else it may wrongly report a visited
+  		// pair as being equivalent.
+  		return objectType(b) === type && callbacks[type](a, b);
+  	}
+
+  	function innerEquiv(a, b) {
+  		var i, pair;
+
+  		// We're done when there's nothing more to compare
+  		if (arguments.length < 2) {
+  			return true;
+  		}
+
+  		// Clear the global pair queue and add the top-level values being compared
+  		pairs = [{ a: a, b: b }];
+
+  		for (i = 0; i < pairs.length; i++) {
+  			pair = pairs[i];
+
+  			// Perform type-specific comparison on any pairs that are not strictly
+  			// equal. For container types, that comparison will postpone comparison
+  			// of any sub-container pair to the end of the pair queue. This gives
+  			// breadth-first search order. It also avoids the reprocessing of
+  			// reference-equal siblings, cousins etc, which can have a significant speed
+  			// impact when comparing a container of small objects each of which has a
+  			// reference to the same (singleton) large object.
+  			if (pair.a !== pair.b && !typeEquiv(pair.a, pair.b)) {
+  				return false;
+  			}
+  		}
+
+  		// ...across all consecutive argument pairs
+  		return arguments.length === 2 || innerEquiv.apply(this, [].slice.call(arguments, 1));
+  	}
+
+  	return innerEquiv;
+  })();
+
+  /**
+   * Config object: Maintain internal state
+   * Later exposed as QUnit.config
+   * `config` initialized at top of scope
+   */
+  var config = {
+
+  	// The queue of tests to run
+  	queue: [],
+
+  	// Block until document ready
+  	blocking: true,
+
+  	// By default, run previously failed tests first
+  	// very useful in combination with "Hide passed tests" checked
+  	reorder: true,
+
+  	// By default, modify document.title when suite is done
+  	altertitle: true,
+
+  	// HTML Reporter: collapse every test except the first failing test
+  	// If false, all failing tests will be expanded
+  	collapse: true,
+
+  	// By default, scroll to top of the page when suite is done
+  	scrolltop: true,
+
+  	// Depth up-to which object will be dumped
+  	maxDepth: 5,
+
+  	// When enabled, all tests must call expect()
+  	requireExpects: false,
+
+  	// Placeholder for user-configurable form-exposed URL parameters
+  	urlConfig: [],
+
+  	// Set of all modules.
+  	modules: [],
+
+  	// Stack of nested modules
+  	moduleStack: [],
+
+  	// The first unnamed module
+  	currentModule: {
+  		name: "",
+  		tests: [],
+  		childModules: [],
+  		testsRun: 0
+  	},
+
+  	callbacks: {},
+
+  	// The storage module to use for reordering tests
+  	storage: sessionStorage
+  };
+
+  // take a predefined QUnit.config and extend the defaults
+  var globalConfig = window && window.QUnit && window.QUnit.config;
+
+  // only extend the global config if there is no QUnit overload
+  if (window && window.QUnit && !window.QUnit.version) {
+  	extend(config, globalConfig);
+  }
+
+  // Push a loose unnamed module to the modules collection
+  config.modules.push(config.currentModule);
+
+  // Based on jsDump by Ariel Flesler
+  // http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html
+  var dump = (function () {
+  	function quote(str) {
+  		return "\"" + str.toString().replace(/\\/g, "\\\\").replace(/"/g, "\\\"") + "\"";
+  	}
+  	function literal(o) {
+  		return o + "";
+  	}
+  	function join(pre, arr, post) {
+  		var s = dump.separator(),
+  		    base = dump.indent(),
+  		    inner = dump.indent(1);
+  		if (arr.join) {
+  			arr = arr.join("," + s + inner);
+  		}
+  		if (!arr) {
+  			return pre + post;
+  		}
+  		return [pre, inner + arr, base + post].join(s);
+  	}
+  	function array(arr, stack) {
+  		var i = arr.length,
+  		    ret = new Array(i);
+
+  		if (dump.maxDepth && dump.depth > dump.maxDepth) {
+  			return "[object Array]";
+  		}
+
+  		this.up();
+  		while (i--) {
+  			ret[i] = this.parse(arr[i], undefined, stack);
+  		}
+  		this.down();
+  		return join("[", ret, "]");
+  	}
+
+  	function isArray(obj) {
+  		return (
+
+  			//Native Arrays
+  			toString.call(obj) === "[object Array]" ||
+
+  			// NodeList objects
+  			typeof obj.length === "number" && obj.item !== undefined && (obj.length ? obj.item(0) === obj[0] : obj.item(0) === null && obj[0] === undefined)
+  		);
+  	}
+
+  	var reName = /^function (\w+)/,
+  	    dump = {
+
+  		// The objType is used mostly internally, you can fix a (custom) type in advance
+  		parse: function parse(obj, objType, stack) {
+  			stack = stack || [];
+  			var res,
+  			    parser,
+  			    parserType,
+  			    objIndex = stack.indexOf(obj);
+
+  			if (objIndex !== -1) {
+  				return "recursion(" + (objIndex - stack.length) + ")";
+  			}
+
+  			objType = objType || this.typeOf(obj);
+  			parser = this.parsers[objType];
+  			parserType = typeof parser === "undefined" ? "undefined" : _typeof(parser);
+
+  			if (parserType === "function") {
+  				stack.push(obj);
+  				res = parser.call(this, obj, stack);
+  				stack.pop();
+  				return res;
+  			}
+  			return parserType === "string" ? parser : this.parsers.error;
+  		},
+  		typeOf: function typeOf(obj) {
+  			var type;
+
+  			if (obj === null) {
+  				type = "null";
+  			} else if (typeof obj === "undefined") {
+  				type = "undefined";
+  			} else if (is("regexp", obj)) {
+  				type = "regexp";
+  			} else if (is("date", obj)) {
+  				type = "date";
+  			} else if (is("function", obj)) {
+  				type = "function";
+  			} else if (obj.setInterval !== undefined && obj.document !== undefined && obj.nodeType === undefined) {
+  				type = "window";
+  			} else if (obj.nodeType === 9) {
+  				type = "document";
+  			} else if (obj.nodeType) {
+  				type = "node";
+  			} else if (isArray(obj)) {
+  				type = "array";
+  			} else if (obj.constructor === Error.prototype.constructor) {
+  				type = "error";
+  			} else {
+  				type = typeof obj === "undefined" ? "undefined" : _typeof(obj);
+  			}
+  			return type;
+  		},
+
+  		separator: function separator() {
+  			if (this.multiline) {
+  				return this.HTML ? "<br />" : "\n";
+  			} else {
+  				return this.HTML ? "&#160;" : " ";
+  			}
+  		},
+
+  		// Extra can be a number, shortcut for increasing-calling-decreasing
+  		indent: function indent(extra) {
+  			if (!this.multiline) {
+  				return "";
+  			}
+  			var chr = this.indentChar;
+  			if (this.HTML) {
+  				chr = chr.replace(/\t/g, "   ").replace(/ /g, "&#160;");
+  			}
+  			return new Array(this.depth + (extra || 0)).join(chr);
+  		},
+  		up: function up(a) {
+  			this.depth += a || 1;
+  		},
+  		down: function down(a) {
+  			this.depth -= a || 1;
+  		},
+  		setParser: function setParser(name, parser) {
+  			this.parsers[name] = parser;
+  		},
+
+  		// The next 3 are exposed so you can use them
+  		quote: quote,
+  		literal: literal,
+  		join: join,
+  		depth: 1,
+  		maxDepth: config.maxDepth,
+
+  		// This is the list of parsers, to modify them, use dump.setParser
+  		parsers: {
+  			window: "[Window]",
+  			document: "[Document]",
+  			error: function error(_error) {
+  				return "Error(\"" + _error.message + "\")";
+  			},
+  			unknown: "[Unknown]",
+  			"null": "null",
+  			"undefined": "undefined",
+  			"function": function _function(fn) {
+  				var ret = "function",
+
+
+  				// Functions never have name in IE
+  				name = "name" in fn ? fn.name : (reName.exec(fn) || [])[1];
+
+  				if (name) {
+  					ret += " " + name;
+  				}
+  				ret += "(";
+
+  				ret = [ret, dump.parse(fn, "functionArgs"), "){"].join("");
+  				return join(ret, dump.parse(fn, "functionCode"), "}");
+  			},
+  			array: array,
+  			nodelist: array,
+  			"arguments": array,
+  			object: function object(map, stack) {
+  				var keys,
+  				    key,
+  				    val,
+  				    i,
+  				    nonEnumerableProperties,
+  				    ret = [];
+
+  				if (dump.maxDepth && dump.depth > dump.maxDepth) {
+  					return "[object Object]";
+  				}
+
+  				dump.up();
+  				keys = [];
+  				for (key in map) {
+  					keys.push(key);
+  				}
+
+  				// Some properties are not always enumerable on Error objects.
+  				nonEnumerableProperties = ["message", "name"];
+  				for (i in nonEnumerableProperties) {
+  					key = nonEnumerableProperties[i];
+  					if (key in map && !inArray(key, keys)) {
+  						keys.push(key);
+  					}
+  				}
+  				keys.sort();
+  				for (i = 0; i < keys.length; i++) {
+  					key = keys[i];
+  					val = map[key];
+  					ret.push(dump.parse(key, "key") + ": " + dump.parse(val, undefined, stack));
+  				}
+  				dump.down();
+  				return join("{", ret, "}");
+  			},
+  			node: function node(_node) {
+  				var len,
+  				    i,
+  				    val,
+  				    open = dump.HTML ? "&lt;" : "<",
+  				    close = dump.HTML ? "&gt;" : ">",
+  				    tag = _node.nodeName.toLowerCase(),
+  				    ret = open + tag,
+  				    attrs = _node.attributes;
+
+  				if (attrs) {
+  					for (i = 0, len = attrs.length; i < len; i++) {
+  						val = attrs[i].nodeValue;
+
+  						// IE6 includes all attributes in .attributes, even ones not explicitly
+  						// set. Those have values like undefined, null, 0, false, "" or
+  						// "inherit".
+  						if (val && val !== "inherit") {
+  							ret += " " + attrs[i].nodeName + "=" + dump.parse(val, "attribute");
+  						}
+  					}
+  				}
+  				ret += close;
+
+  				// Show content of TextNode or CDATASection
+  				if (_node.nodeType === 3 || _node.nodeType === 4) {
+  					ret += _node.nodeValue;
+  				}
+
+  				return ret + open + "/" + tag + close;
+  			},
+
+  			// Function calls it internally, it's the arguments part of the function
+  			functionArgs: function functionArgs(fn) {
+  				var args,
+  				    l = fn.length;
+
+  				if (!l) {
+  					return "";
+  				}
+
+  				args = new Array(l);
+  				while (l--) {
+
+  					// 97 is 'a'
+  					args[l] = String.fromCharCode(97 + l);
+  				}
+  				return " " + args.join(", ") + " ";
+  			},
+
+  			// Object calls it internally, the key part of an item in a map
+  			key: quote,
+
+  			// Function calls it internally, it's the content of the function
+  			functionCode: "[code]",
+
+  			// Node calls it internally, it's a html attribute value
+  			attribute: quote,
+  			string: quote,
+  			date: quote,
+  			regexp: literal,
+  			number: literal,
+  			"boolean": literal,
+  			symbol: function symbol(sym) {
+  				return sym.toString();
+  			}
+  		},
+
+  		// If true, entities are escaped ( <, >, \t, space and \n )
+  		HTML: false,
+
+  		// Indentation unit
+  		indentChar: "  ",
+
+  		// If true, items in a collection, are separated by a \n, else just a space.
+  		multiline: true
+  	};
+
+  	return dump;
+  })();
+
+  var LISTENERS = Object.create(null);
+  var SUPPORTED_EVENTS = ["runStart", "suiteStart", "testStart", "assertion", "testEnd", "suiteEnd", "runEnd"];
+
+  /**
+   * Emits an event with the specified data to all currently registered listeners.
+   * Callbacks will fire in the order in which they are registered (FIFO). This
+   * function is not exposed publicly; it is used by QUnit internals to emit
+   * logging events.
+   *
+   * @private
+   * @method emit
+   * @param {String} eventName
+   * @param {Object} data
+   * @return {Void}
+   */
+  function emit(eventName, data) {
+  	if (objectType(eventName) !== "string") {
+  		throw new TypeError("eventName must be a string when emitting an event");
+  	}
+
+  	// Clone the callbacks in case one of them registers a new callback
+  	var originalCallbacks = LISTENERS[eventName];
+  	var callbacks = originalCallbacks ? [].concat(toConsumableArray(originalCallbacks)) : [];
+
+  	for (var i = 0; i < callbacks.length; i++) {
+  		callbacks[i](data);
+  	}
+  }
+
+  /**
+   * Registers a callback as a listener to the specified event.
+   *
+   * @public
+   * @method on
+   * @param {String} eventName
+   * @param {Function} callback
+   * @return {Void}
+   */
+  function on(eventName, callback) {
+  	if (objectType(eventName) !== "string") {
+  		throw new TypeError("eventName must be a string when registering a listener");
+  	} else if (!inArray(eventName, SUPPORTED_EVENTS)) {
+  		var events = SUPPORTED_EVENTS.join(", ");
+  		throw new Error("\"" + eventName + "\" is not a valid event; must be one of: " + events + ".");
+  	} else if (objectType(callback) !== "function") {
+  		throw new TypeError("callback must be a function when registering a listener");
+  	}
+
+  	if (!LISTENERS[eventName]) {
+  		LISTENERS[eventName] = [];
+  	}
+
+  	// Don't register the same callback more than once
+  	if (!inArray(callback, LISTENERS[eventName])) {
+  		LISTENERS[eventName].push(callback);
+  	}
+  }
+
+  // Register logging callbacks
+  function registerLoggingCallbacks(obj) {
+  	var i,
+  	    l,
+  	    key,
+  	    callbackNames = ["begin", "done", "log", "testStart", "testDone", "moduleStart", "moduleDone"];
+
+  	function registerLoggingCallback(key) {
+  		var loggingCallback = function loggingCallback(callback) {
+  			if (objectType(callback) !== "function") {
+  				throw new Error("QUnit logging methods require a callback function as their first parameters.");
+  			}
+
+  			config.callbacks[key].push(callback);
+  		};
+
+  		return loggingCallback;
+  	}
+
+  	for (i = 0, l = callbackNames.length; i < l; i++) {
+  		key = callbackNames[i];
+
+  		// Initialize key collection of logging callback
+  		if (objectType(config.callbacks[key]) === "undefined") {
+  			config.callbacks[key] = [];
+  		}
+
+  		obj[key] = registerLoggingCallback(key);
+  	}
+  }
+
+  function runLoggingCallbacks(key, args) {
+  	var i, l, callbacks;
+
+  	callbacks = config.callbacks[key];
+  	for (i = 0, l = callbacks.length; i < l; i++) {
+  		callbacks[i](args);
+  	}
+  }
+
+  // Doesn't support IE9, it will return undefined on these browsers
+  // See also https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Error/Stack
+  var fileName = (sourceFromStacktrace(0) || "").replace(/(:\d+)+\)?/, "").replace(/.+\//, "");
+
+  function extractStacktrace(e, offset) {
+  	offset = offset === undefined ? 4 : offset;
+
+  	var stack, include, i;
+
+  	if (e && e.stack) {
+  		stack = e.stack.split("\n");
+  		if (/^error$/i.test(stack[0])) {
+  			stack.shift();
+  		}
+  		if (fileName) {
+  			include = [];
+  			for (i = offset; i < stack.length; i++) {
+  				if (stack[i].indexOf(fileName) !== -1) {
+  					break;
+  				}
+  				include.push(stack[i]);
+  			}
+  			if (include.length) {
+  				return include.join("\n");
+  			}
+  		}
+  		return stack[offset];
+  	}
+  }
+
+  function sourceFromStacktrace(offset) {
+  	var error = new Error();
+
+  	// Support: Safari <=7 only, IE <=10 - 11 only
+  	// Not all browsers generate the `stack` property for `new Error()`, see also #636
+  	if (!error.stack) {
+  		try {
+  			throw error;
+  		} catch (err) {
+  			error = err;
+  		}
+  	}
+
+  	return extractStacktrace(error, offset);
+  }
+
+  var TestReport = function () {
+  	function TestReport(name, suite, options) {
+  		classCallCheck(this, TestReport);
+
+  		this.name = name;
+  		this.suiteName = suite.name;
+  		this.fullName = suite.fullName.concat(name);
+  		this.runtime = 0;
+  		this.assertions = [];
+
+  		this.skipped = !!options.skip;
+  		this.todo = !!options.todo;
+
+  		this._startTime = 0;
+  		this._endTime = 0;
+
+  		suite.pushTest(this);
+  	}
+
+  	createClass(TestReport, [{
+  		key: "start",
+  		value: function start(recordTime) {
+  			if (recordTime) {
+  				this._startTime = Date.now();
+  			}
+
+  			return {
+  				name: this.name,
+  				suiteName: this.suiteName,
+  				fullName: this.fullName.slice()
+  			};
+  		}
+  	}, {
+  		key: "end",
+  		value: function end(recordTime) {
+  			if (recordTime) {
+  				this._endTime = Date.now();
+  			}
+
+  			return extend(this.start(), {
+  				runtime: this.getRuntime(),
+  				status: this.getStatus(),
+  				errors: this.getFailedAssertions(),
+  				assertions: this.getAssertions()
+  			});
+  		}
+  	}, {
+  		key: "pushAssertion",
+  		value: function pushAssertion(assertion) {
+  			this.assertions.push(assertion);
+  		}
+  	}, {
+  		key: "getRuntime",
+  		value: function getRuntime() {
+  			return this._endTime - this._startTime;
+  		}
+  	}, {
+  		key: "getStatus",
+  		value: function getStatus() {
+  			if (this.skipped) {
+  				return "skipped";
+  			}
+
+  			var testPassed = this.getFailedAssertions().length > 0 ? this.todo : !this.todo;
+
+  			if (!testPassed) {
+  				return "failed";
+  			} else if (this.todo) {
+  				return "todo";
+  			} else {
+  				return "passed";
+  			}
+  		}
+  	}, {
+  		key: "getFailedAssertions",
+  		value: function getFailedAssertions() {
+  			return this.assertions.filter(function (assertion) {
+  				return !assertion.passed;
+  			});
+  		}
+  	}, {
+  		key: "getAssertions",
+  		value: function getAssertions() {
+  			return this.assertions.slice();
+  		}
+  	}]);
+  	return TestReport;
+  }();
+
+  var unitSampler;
+  var focused = false;
+  var priorityCount = 0;
+
+  function Test(settings) {
+  	var i, l;
+
+  	++Test.count;
+
+  	this.expected = null;
+  	extend(this, settings);
+  	this.assertions = [];
+  	this.semaphore = 0;
+  	this.usedAsync = false;
+  	this.module = config.currentModule;
+  	this.stack = sourceFromStacktrace(3);
+  	this.steps = [];
+
+  	this.testReport = new TestReport(settings.testName, this.module.suiteReport, {
+  		todo: settings.todo,
+  		skip: settings.skip
+  	});
+
+  	// Register unique strings
+  	for (i = 0, l = this.module.tests; i < l.length; i++) {
+  		if (this.module.tests[i].name === this.testName) {
+  			this.testName += " ";
+  		}
+  	}
+
+  	this.testId = generateHash(this.module.name, this.testName);
+
+  	this.module.tests.push({
+  		name: this.testName,
+  		testId: this.testId
+  	});
+
+  	if (settings.skip) {
+
+  		// Skipped tests will fully ignore any sent callback
+  		this.callback = function () {};
+  		this.async = false;
+  		this.expected = 0;
+  	} else {
+  		this.assert = new Assert(this);
+  	}
+  }
+
+  Test.count = 0;
+
+  function getNotStartedModules(startModule) {
+  	var module = startModule,
+  	    modules = [];
+
+  	while (module && module.testsRun === 0) {
+  		modules.push(module);
+  		module = module.parentModule;
+  	}
+
+  	return modules;
+  }
+
+  Test.prototype = {
+  	before: function before() {
+  		var i,
+  		    startModule,
+  		    module = this.module,
+  		    notStartedModules = getNotStartedModules(module);
+
+  		for (i = notStartedModules.length - 1; i >= 0; i--) {
+  			startModule = notStartedModules[i];
+  			startModule.stats = { all: 0, bad: 0, started: now() };
+  			emit("suiteStart", startModule.suiteReport.start(true));
+  			runLoggingCallbacks("moduleStart", {
+  				name: startModule.name,
+  				tests: startModule.tests
+  			});
+  		}
+
+  		config.current = this;
+
+  		if (module.testEnvironment) {
+  			delete module.testEnvironment.before;
+  			delete module.testEnvironment.beforeEach;
+  			delete module.testEnvironment.afterEach;
+  			delete module.testEnvironment.after;
+  		}
+  		this.testEnvironment = extend({}, module.testEnvironment);
+
+  		this.started = now();
+  		emit("testStart", this.testReport.start(true));
+  		runLoggingCallbacks("testStart", {
+  			name: this.testName,
+  			module: module.name,
+  			testId: this.testId,
+  			previousFailure: this.previousFailure
+  		});
+
+  		if (!config.pollution) {
+  			saveGlobal();
+  		}
+  	},
+
+  	run: function run() {
+  		var promise;
+
+  		config.current = this;
+
+  		this.callbackStarted = now();
+
+  		if (config.notrycatch) {
+  			runTest(this);
+  			return;
+  		}
+
+  		try {
+  			runTest(this);
+  		} catch (e) {
+  			this.pushFailure("Died on test #" + (this.assertions.length + 1) + " " + this.stack + ": " + (e.message || e), extractStacktrace(e, 0));
+
+  			// Else next test will carry the responsibility
+  			saveGlobal();
+
+  			// Restart the tests if they're blocking
+  			if (config.blocking) {
+  				internalRecover(this);
+  			}
+  		}
+
+  		function runTest(test) {
+  			promise = test.callback.call(test.testEnvironment, test.assert);
+  			test.resolvePromise(promise);
+  		}
+  	},
+
+  	after: function after() {
+  		checkPollution();
+  	},
+
+  	queueHook: function queueHook(hook, hookName, hookOwner) {
+  		var promise,
+  		    test = this;
+  		return function runHook() {
+  			if (hookName === "before") {
+  				if (hookOwner.testsRun !== 0) {
+  					return;
+  				}
+
+  				test.preserveEnvironment = true;
+  			}
+
+  			if (hookName === "after" && hookOwner.testsRun !== numberOfTests(hookOwner) - 1) {
+  				return;
+  			}
+
+  			config.current = test;
+  			if (config.notrycatch) {
+  				callHook();
+  				return;
+  			}
+  			try {
+  				callHook();
+  			} catch (error) {
+  				test.pushFailure(hookName + " failed on " + test.testName + ": " + (error.message || error), extractStacktrace(error, 0));
+  			}
+
+  			function callHook() {
+  				promise = hook.call(test.testEnvironment, test.assert);
+  				test.resolvePromise(promise, hookName);
+  			}
+  		};
+  	},
+
+  	// Currently only used for module level hooks, can be used to add global level ones
+  	hooks: function hooks(handler) {
+  		var hooks = [];
+
+  		function processHooks(test, module) {
+  			if (module.parentModule) {
+  				processHooks(test, module.parentModule);
+  			}
+  			if (module.testEnvironment && objectType(module.testEnvironment[handler]) === "function") {
+  				hooks.push(test.queueHook(module.testEnvironment[handler], handler, module));
+  			}
+  		}
+
+  		// Hooks are ignored on skipped tests
+  		if (!this.skip) {
+  			processHooks(this, this.module);
+  		}
+  		return hooks;
+  	},
+
+  	finish: function finish() {
+  		config.current = this;
+  		if (config.requireExpects && this.expected === null) {
+  			this.pushFailure("Expected number of assertions to be defined, but expect() was " + "not called.", this.stack);
+  		} else if (this.expected !== null && this.expected !== this.assertions.length) {
+  			this.pushFailure("Expected " + this.expected + " assertions, but " + this.assertions.length + " were run", this.stack);
+  		} else if (this.expected === null && !this.assertions.length) {
+  			this.pushFailure("Expected at least one assertion, but none were run - call " + "expect(0) to accept zero assertions.", this.stack);
+  		}
+
+  		var i,
+  		    module = this.module,
+  		    moduleName = module.name,
+  		    testName = this.testName,
+  		    skipped = !!this.skip,
+  		    todo = !!this.todo,
+  		    bad = 0,
+  		    storage = config.storage;
+
+  		this.runtime = now() - this.started;
+
+  		config.stats.all += this.assertions.length;
+  		module.stats.all += this.assertions.length;
+
+  		for (i = 0; i < this.assertions.length; i++) {
+  			if (!this.assertions[i].result) {
+  				bad++;
+  				config.stats.bad++;
+  				module.stats.bad++;
+  			}
+  		}
+
+  		notifyTestsRan(module);
+
+  		// Store result when possible
+  		if (storage) {
+  			if (bad) {
+  				storage.setItem("qunit-test-" + moduleName + "-" + testName, bad);
+  			} else {
+  				storage.removeItem("qunit-test-" + moduleName + "-" + testName);
+  			}
+  		}
+
+  		emit("testEnd", this.testReport.end(true));
+  		runLoggingCallbacks("testDone", {
+  			name: testName,
+  			module: moduleName,
+  			skipped: skipped,
+  			todo: todo,
+  			failed: bad,
+  			passed: this.assertions.length - bad,
+  			total: this.assertions.length,
+  			runtime: skipped ? 0 : this.runtime,
+
+  			// HTML Reporter use
+  			assertions: this.assertions,
+  			testId: this.testId,
+
+  			// Source of Test
+  			source: this.stack
+  		});
+
+  		if (module.testsRun === numberOfTests(module)) {
+  			emit("suiteEnd", module.suiteReport.end(true));
+  			runLoggingCallbacks("moduleDone", {
+  				name: module.name,
+  				tests: module.tests,
+  				failed: module.stats.bad,
+  				passed: module.stats.all - module.stats.bad,
+  				total: module.stats.all,
+  				runtime: now() - module.stats.started
+  			});
+  		}
+
+  		config.current = undefined;
+  	},
+
+  	preserveTestEnvironment: function preserveTestEnvironment() {
+  		if (this.preserveEnvironment) {
+  			this.module.testEnvironment = this.testEnvironment;
+  			this.testEnvironment = extend({}, this.module.testEnvironment);
+  		}
+  	},
+
+  	queue: function queue() {
+  		var priority,
+  		    previousFailCount,
+  		    test = this;
+
+  		if (!this.valid()) {
+  			return;
+  		}
+
+  		function run() {
+
+  			// Each of these can by async
+  			synchronize([function () {
+  				test.before();
+  			}, test.hooks("before"), function () {
+  				test.preserveTestEnvironment();
+  			}, test.hooks("beforeEach"), function () {
+  				test.run();
+  			}, test.hooks("afterEach").reverse(), test.hooks("after").reverse(), function () {
+  				test.after();
+  			}, function () {
+  				test.finish();
+  			}]);
+  		}
+
+  		previousFailCount = config.storage && +config.storage.getItem("qunit-test-" + this.module.name + "-" + this.testName);
+
+  		// Prioritize previously failed tests, detected from storage
+  		priority = config.reorder && previousFailCount;
+
+  		this.previousFailure = !!previousFailCount;
+
+  		return synchronize(run, priority, config.seed);
+  	},
+
+  	pushResult: function pushResult(resultInfo) {
+
+  		// Destructure of resultInfo = { result, actual, expected, message, negative }
+  		var source,
+  		    details = {
+  			module: this.module.name,
+  			name: this.testName,
+  			result: resultInfo.result,
+  			message: resultInfo.message,
+  			actual: resultInfo.actual,
+  			expected: resultInfo.expected,
+  			testId: this.testId,
+  			negative: resultInfo.negative || false,
+  			runtime: now() - this.started,
+  			todo: !!this.todo
+  		};
+
+  		if (!resultInfo.result) {
+  			source = resultInfo.source || sourceFromStacktrace();
+
+  			if (source) {
+  				details.source = source;
+  			}
+  		}
+
+  		this.logAssertion(details);
+
+  		this.assertions.push({
+  			result: !!resultInfo.result,
+  			message: resultInfo.message
+  		});
+  	},
+
+  	pushFailure: function pushFailure(message, source, actual) {
+  		if (!(this instanceof Test)) {
+  			throw new Error("pushFailure() assertion outside test context, was " + sourceFromStacktrace(2));
+  		}
+
+  		this.assert.pushResult({
+  			result: false,
+  			message: message || "error",
+  			actual: actual || null,
+  			expected: null,
+  			source: source
+  		});
+  	},
+
+  	/**
+    * Log assertion details using both the old QUnit.log interface and
+    * QUnit.on( "assertion" ) interface.
+    *
+    * @private
+    */
+  	logAssertion: function logAssertion(details) {
+  		runLoggingCallbacks("log", details);
+
+  		var assertion = {
+  			passed: details.result,
+  			actual: details.actual,
+  			expected: details.expected,
+  			message: details.message,
+  			stack: details.source,
+  			todo: details.todo
+  		};
+  		this.testReport.pushAssertion(assertion);
+  		emit("assertion", assertion);
+  	},
+
+
+  	resolvePromise: function resolvePromise(promise, phase) {
+  		var then,
+  		    resume,
+  		    message,
+  		    test = this;
+  		if (promise != null) {
+  			then = promise.then;
+  			if (objectType(then) === "function") {
+  				resume = internalStop(test);
+  				then.call(promise, function () {
+  					resume();
+  				}, function (error) {
+  					message = "Promise rejected " + (!phase ? "during" : phase.replace(/Each$/, "")) + " \"" + test.testName + "\": " + (error && error.message || error);
+  					test.pushFailure(message, extractStacktrace(error, 0));
+
+  					// Else next test will carry the responsibility
+  					saveGlobal();
+
+  					// Unblock
+  					resume();
+  				});
+  			}
+  		}
+  	},
+
+  	valid: function valid() {
+  		var filter = config.filter,
+  		    regexFilter = /^(!?)\/([\w\W]*)\/(i?$)/.exec(filter),
+  		    module = config.module && config.module.toLowerCase(),
+  		    fullName = this.module.name + ": " + this.testName;
+
+  		function moduleChainNameMatch(testModule) {
+  			var testModuleName = testModule.name ? testModule.name.toLowerCase() : null;
+  			if (testModuleName === module) {
+  				return true;
+  			} else if (testModule.parentModule) {
+  				return moduleChainNameMatch(testModule.parentModule);
+  			} else {
+  				return false;
+  			}
+  		}
+
+  		function moduleChainIdMatch(testModule) {
+  			return inArray(testModule.moduleId, config.moduleId) || testModule.parentModule && moduleChainIdMatch(testModule.parentModule);
+  		}
+
+  		// Internally-generated tests are always valid
+  		if (this.callback && this.callback.validTest) {
+  			return true;
+  		}
+
+  		if (config.moduleId && config.moduleId.length > 0 && !moduleChainIdMatch(this.module)) {
+
+  			return false;
+  		}
+
+  		if (config.testId && config.testId.length > 0 && !inArray(this.testId, config.testId)) {
+
+  			return false;
+  		}
+
+  		if (module && !moduleChainNameMatch(this.module)) {
+  			return false;
+  		}
+
+  		if (!filter) {
+  			return true;
+  		}
+
+  		return regexFilter ? this.regexFilter(!!regexFilter[1], regexFilter[2], regexFilter[3], fullName) : this.stringFilter(filter, fullName);
+  	},
+
+  	regexFilter: function regexFilter(exclude, pattern, flags, fullName) {
+  		var regex = new RegExp(pattern, flags);
+  		var match = regex.test(fullName);
+
+  		return match !== exclude;
+  	},
+
+  	stringFilter: function stringFilter(filter, fullName) {
+  		filter = filter.toLowerCase();
+  		fullName = fullName.toLowerCase();
+
+  		var include = filter.charAt(0) !== "!";
+  		if (!include) {
+  			filter = filter.slice(1);
+  		}
+
+  		// If the filter matches, we need to honour include
+  		if (fullName.indexOf(filter) !== -1) {
+  			return include;
+  		}
+
+  		// Otherwise, do the opposite
+  		return !include;
+  	}
+  };
+
+  function pushFailure() {
+  	if (!config.current) {
+  		throw new Error("pushFailure() assertion outside test context, in " + sourceFromStacktrace(2));
+  	}
+
+  	// Gets current test obj
+  	var currentTest = config.current;
+
+  	return currentTest.pushFailure.apply(currentTest, arguments);
+  }
+
+  // Based on Java's String.hashCode, a simple but not
+  // rigorously collision resistant hashing function
+  function generateHash(module, testName) {
+  	var hex,
+  	    i = 0,
+  	    hash = 0,
+  	    str = module + "\x1C" + testName,
+  	    len = str.length;
+
+  	for (; i < len; i++) {
+  		hash = (hash << 5) - hash + str.charCodeAt(i);
+  		hash |= 0;
+  	}
+
+  	// Convert the possibly negative integer hash code into an 8 character hex string, which isn't
+  	// strictly necessary but increases user understanding that the id is a SHA-like hash
+  	hex = (0x100000000 + hash).toString(16);
+  	if (hex.length < 8) {
+  		hex = "0000000" + hex;
+  	}
+
+  	return hex.slice(-8);
+  }
+
+  function synchronize(callback, priority, seed) {
+  	var last = !priority,
+  	    index;
+
+  	if (objectType(callback) === "array") {
+  		while (callback.length) {
+  			synchronize(callback.shift());
+  		}
+  		return;
+  	}
+
+  	if (priority) {
+  		config.queue.splice(priorityCount++, 0, callback);
+  	} else if (seed) {
+  		if (!unitSampler) {
+  			unitSampler = unitSamplerGenerator(seed);
+  		}
+
+  		// Insert into a random position after all priority items
+  		index = Math.floor(unitSampler() * (config.queue.length - priorityCount + 1));
+  		config.queue.splice(priorityCount + index, 0, callback);
+  	} else {
+  		config.queue.push(callback);
+  	}
+
+  	if (internalState.autorun && !config.blocking) {
+  		process(last);
+  	}
+  }
+
+  function unitSamplerGenerator(seed) {
+
+  	// 32-bit xorshift, requires only a nonzero seed
+  	// http://excamera.com/sphinx/article-xorshift.html
+  	var sample = parseInt(generateHash(seed), 16) || -1;
+  	return function () {
+  		sample ^= sample << 13;
+  		sample ^= sample >>> 17;
+  		sample ^= sample << 5;
+
+  		// ECMAScript has no unsigned number type
+  		if (sample < 0) {
+  			sample += 0x100000000;
+  		}
+
+  		return sample / 0x100000000;
+  	};
+  }
+
+  function saveGlobal() {
+  	config.pollution = [];
+
+  	if (config.noglobals) {
+  		for (var key in global$1) {
+  			if (hasOwn.call(global$1, key)) {
+
+  				// In Opera sometimes DOM element ids show up here, ignore them
+  				if (/^qunit-test-output/.test(key)) {
+  					continue;
+  				}
+  				config.pollution.push(key);
+  			}
+  		}
+  	}
+  }
+
+  function checkPollution() {
+  	var newGlobals,
+  	    deletedGlobals,
+  	    old = config.pollution;
+
+  	saveGlobal();
+
+  	newGlobals = diff(config.pollution, old);
+  	if (newGlobals.length > 0) {
+  		pushFailure("Introduced global variable(s): " + newGlobals.join(", "));
+  	}
+
+  	deletedGlobals = diff(old, config.pollution);
+  	if (deletedGlobals.length > 0) {
+  		pushFailure("Deleted global variable(s): " + deletedGlobals.join(", "));
+  	}
+  }
+
+  // Will be exposed as QUnit.test
+  function test(testName, callback) {
+  	if (focused) {
+  		return;
+  	}
+
+  	var newTest = new Test({
+  		testName: testName,
+  		callback: callback
+  	});
+
+  	newTest.queue();
+  }
+
+  function todo(testName, callback) {
+  	if (focused) {
+  		return;
+  	}
+
+  	var newTest = new Test({
+  		testName: testName,
+  		callback: callback,
+  		todo: true
+  	});
+
+  	newTest.queue();
+  }
+
+  // Will be exposed as QUnit.skip
+  function skip(testName) {
+  	if (focused) {
+  		return;
+  	}
+
+  	var test = new Test({
+  		testName: testName,
+  		skip: true
+  	});
+
+  	test.queue();
+  }
+
+  // Will be exposed as QUnit.only
+  function only(testName, callback) {
+  	if (focused) {
+  		return;
+  	}
+
+  	config.queue.length = 0;
+  	focused = true;
+
+  	var newTest = new Test({
+  		testName: testName,
+  		callback: callback
+  	});
+
+  	newTest.queue();
+  }
+
+  // Put a hold on processing and return a function that will release it.
+  function internalStop(test) {
+  	var released = false;
+
+  	test.semaphore += 1;
+  	config.blocking = true;
+
+  	// Set a recovery timeout, if so configured.
+  	if (config.testTimeout && defined.setTimeout) {
+  		clearTimeout(config.timeout);
+  		config.timeout = setTimeout(function () {
+  			pushFailure("Test timed out", sourceFromStacktrace(2));
+  			internalRecover(test);
+  		}, config.testTimeout);
+  	}
+
+  	return function resume() {
+  		if (released) {
+  			return;
+  		}
+
+  		released = true;
+  		test.semaphore -= 1;
+  		internalStart(test);
+  	};
+  }
+
+  // Forcefully release all processing holds.
+  function internalRecover(test) {
+  	test.semaphore = 0;
+  	internalStart(test);
+  }
+
+  // Release a processing hold, scheduling a resumption attempt if no holds remain.
+  function internalStart(test) {
+
+  	// If semaphore is non-numeric, throw error
+  	if (isNaN(test.semaphore)) {
+  		test.semaphore = 0;
+
+  		pushFailure("Invalid value on test.semaphore", sourceFromStacktrace(2));
+  		return;
+  	}
+
+  	// Don't start until equal number of stop-calls
+  	if (test.semaphore > 0) {
+  		return;
+  	}
+
+  	// Throw an Error if start is called more often than stop
+  	if (test.semaphore < 0) {
+  		test.semaphore = 0;
+
+  		pushFailure("Tried to restart test while already started (test's semaphore was 0 already)", sourceFromStacktrace(2));
+  		return;
+  	}
+
+  	// Add a slight delay to allow more assertions etc.
+  	if (defined.setTimeout) {
+  		if (config.timeout) {
+  			clearTimeout(config.timeout);
+  		}
+  		config.timeout = setTimeout(function () {
+  			if (test.semaphore > 0) {
+  				return;
+  			}
+
+  			if (config.timeout) {
+  				clearTimeout(config.timeout);
+  			}
+
+  			begin();
+  		}, 13);
+  	} else {
+  		begin();
+  	}
+  }
+
+  function numberOfTests(module) {
+  	var count = module.tests.length,
+  	    modules = [].concat(toConsumableArray(module.childModules));
+
+  	// Do a breadth-first traversal of the child modules
+  	while (modules.length) {
+  		var nextModule = modules.shift();
+  		count += nextModule.tests.length;
+  		modules.push.apply(modules, toConsumableArray(nextModule.childModules));
+  	}
+
+  	return count;
+  }
+
+  function notifyTestsRan(module) {
+  	module.testsRun++;
+  	while (module = module.parentModule) {
+  		module.testsRun++;
+  	}
+  }
+
+  /**
+   * Returns a function that proxies to the given method name on the globals
+   * console object. The proxy will also detect if the console doesn't exist and
+   * will appropriately no-op. This allows support for IE9, which doesn't have a
+   * console if the developer tools are not open.
+   */
+  function consoleProxy(method) {
+  	return function () {
+  		if (console) {
+  			console[method].apply(console, arguments);
+  		}
+  	};
+  }
+
+  var Logger = {
+  	warn: consoleProxy("warn")
+  };
+
+  var Assert = function () {
+  	function Assert(testContext) {
+  		classCallCheck(this, Assert);
+
+  		this.test = testContext;
+  	}
+
+  	// Assert helpers
+
+  	// Documents a "step", which is a string value, in a test as a passing assertion
+
+
+  	createClass(Assert, [{
+  		key: "step",
+  		value: function step(message) {
+  			var result = !!message;
+
+  			this.test.steps.push(message);
+
+  			return this.pushResult({
+  				result: result,
+  				message: message || "You must provide a message to assert.step"
+  			});
+  		}
+
+  		// Verifies the steps in a test match a given array of string values
+
+  	}, {
+  		key: "verifySteps",
+  		value: function verifySteps(steps, message) {
+  			this.deepEqual(this.test.steps, steps, message);
+  		}
+
+  		// Specify the number of expected assertions to guarantee that failed test
+  		// (no assertions are run at all) don't slip through.
+
+  	}, {
+  		key: "expect",
+  		value: function expect(asserts) {
+  			if (arguments.length === 1) {
+  				this.test.expected = asserts;
+  			} else {
+  				return this.test.expected;
+  			}
+  		}
+
+  		// Put a hold on processing and return a function that will release it a maximum of once.
+
+  	}, {
+  		key: "async",
+  		value: function async(count) {
+  			var test$$1 = this.test,
+  			    popped = false,
+  			    acceptCallCount = count;
+
+  			if (typeof acceptCallCount === "undefined") {
+  				acceptCallCount = 1;
+  			}
+
+  			test$$1.usedAsync = true;
+  			var resume = internalStop(test$$1);
+
+  			return function done() {
+  				if (popped) {
+  					test$$1.pushFailure("Too many calls to the `assert.async` callback", sourceFromStacktrace(2));
+  					return;
+  				}
+
+  				acceptCallCount -= 1;
+  				if (acceptCallCount > 0) {
+  					return;
+  				}
+
+  				popped = true;
+  				resume();
+  			};
+  		}
+
+  		// Exports test.push() to the user API
+  		// Alias of pushResult.
+
+  	}, {
+  		key: "push",
+  		value: function push(result, actual, expected, message, negative) {
+  			Logger.warn("assert.push is deprecated and will be removed in QUnit 3.0." + " Please use assert.pushResult instead (http://api.qunitjs.com/pushResult/).");
+
+  			var currentAssert = this instanceof Assert ? this : config.current.assert;
+  			return currentAssert.pushResult({
+  				result: result,
+  				actual: actual,
+  				expected: expected,
+  				message: message,
+  				negative: negative
+  			});
+  		}
+  	}, {
+  		key: "pushResult",
+  		value: function pushResult(resultInfo) {
+
+  			// Destructure of resultInfo = { result, actual, expected, message, negative }
+  			var assert = this,
+  			    currentTest = assert instanceof Assert && assert.test || config.current;
+
+  			// Backwards compatibility fix.
+  			// Allows the direct use of global exported assertions and QUnit.assert.*
+  			// Although, it's use is not recommended as it can leak assertions
+  			// to other tests from async tests, because we only get a reference to the current test,
+  			// not exactly the test where assertion were intended to be called.
+  			if (!currentTest) {
+  				throw new Error("assertion outside test context, in " + sourceFromStacktrace(2));
+  			}
+
+  			if (currentTest.usedAsync === true && currentTest.semaphore === 0) {
+  				currentTest.pushFailure("Assertion after the final `assert.async` was resolved", sourceFromStacktrace(2));
+
+  				// Allow this assertion to continue running anyway...
+  			}
+
+  			if (!(assert instanceof Assert)) {
+  				assert = currentTest.assert;
+  			}
+
+  			return assert.test.pushResult(resultInfo);
+  		}
+  	}, {
+  		key: "ok",
+  		value: function ok(result, message) {
+  			if (!message) {
+  				message = result ? "okay" : "failed, expected argument to be truthy, was: " + dump.parse(result);
+  			}
+
+  			this.pushResult({
+  				result: !!result,
+  				actual: result,
+  				expected: true,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "notOk",
+  		value: function notOk(result, message) {
+  			if (!message) {
+  				message = !result ? "okay" : "failed, expected argument to be falsy, was: " + dump.parse(result);
+  			}
+
+  			this.pushResult({
+  				result: !result,
+  				actual: result,
+  				expected: false,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "equal",
+  		value: function equal(actual, expected, message) {
+
+  			// eslint-disable-next-line eqeqeq
+  			var result = expected == actual;
+
+  			this.pushResult({
+  				result: result,
+  				actual: actual,
+  				expected: expected,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "notEqual",
+  		value: function notEqual(actual, expected, message) {
+
+  			// eslint-disable-next-line eqeqeq
+  			var result = expected != actual;
+
+  			this.pushResult({
+  				result: result,
+  				actual: actual,
+  				expected: expected,
+  				message: message,
+  				negative: true
+  			});
+  		}
+  	}, {
+  		key: "propEqual",
+  		value: function propEqual(actual, expected, message) {
+  			actual = objectValues(actual);
+  			expected = objectValues(expected);
+
+  			this.pushResult({
+  				result: equiv(actual, expected),
+  				actual: actual,
+  				expected: expected,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "notPropEqual",
+  		value: function notPropEqual(actual, expected, message) {
+  			actual = objectValues(actual);
+  			expected = objectValues(expected);
+
+  			this.pushResult({
+  				result: !equiv(actual, expected),
+  				actual: actual,
+  				expected: expected,
+  				message: message,
+  				negative: true
+  			});
+  		}
+  	}, {
+  		key: "deepEqual",
+  		value: function deepEqual(actual, expected, message) {
+  			this.pushResult({
+  				result: equiv(actual, expected),
+  				actual: actual,
+  				expected: expected,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "notDeepEqual",
+  		value: function notDeepEqual(actual, expected, message) {
+  			this.pushResult({
+  				result: !equiv(actual, expected),
+  				actual: actual,
+  				expected: expected,
+  				message: message,
+  				negative: true
+  			});
+  		}
+  	}, {
+  		key: "strictEqual",
+  		value: function strictEqual(actual, expected, message) {
+  			this.pushResult({
+  				result: expected === actual,
+  				actual: actual,
+  				expected: expected,
+  				message: message
+  			});
+  		}
+  	}, {
+  		key: "notStrictEqual",
+  		value: function notStrictEqual(actual, expected, message) {
+  			this.pushResult({
+  				result: expected !== actual,
+  				actual: actual,
+  				expected: expected,
+  				message: message,
+  				negative: true
+  			});
+  		}
+  	}, {
+  		key: "throws",
+  		value: function throws(block, expected, message) {
+  			var actual = void 0,
+  			    result = false,
+  			    currentTest = this instanceof Assert && this.test || config.current;
+
+  			// 'expected' is optional unless doing string comparison
+  			if (objectType(expected) === "string") {
+  				if (message == null) {
+  					message = expected;
+  					expected = null;
+  				} else {
+  					throw new Error("throws/raises does not accept a string value for the expected argument.\n" + "Use a non-string object value (e.g. regExp) instead if it's necessary.");
+  				}
+  			}
+
+  			currentTest.ignoreGlobalErrors = true;
+  			try {
+  				block.call(currentTest.testEnvironment);
+  			} catch (e) {
+  				actual = e;
+  			}
+  			currentTest.ignoreGlobalErrors = false;
+
+  			if (actual) {
+  				var expectedType = objectType(expected);
+
+  				// We don't want to validate thrown error
+  				if (!expected) {
+  					result = true;
+  					expected = null;
+
+  					// Expected is a regexp
+  				} else if (expectedType === "regexp") {
+  					result = expected.test(errorString(actual));
+
+  					// Expected is a constructor, maybe an Error constructor
+  				} else if (expectedType === "function" && actual instanceof expected) {
+  					result = true;
+
+  					// Expected is an Error object
+  				} else if (expectedType === "object") {
+  					result = actual instanceof expected.constructor && actual.name === expected.name && actual.message === expected.message;
+
+  					// Expected is a validation function which returns true if validation passed
+  				} else if (expectedType === "function" && expected.call({}, actual) === true) {
+  					expected = null;
+  					result = true;
+  				}
+  			}
+
+  			currentTest.assert.pushResult({
+  				result: result,
+  				actual: actual,
+  				expected: expected,
+  				message: message
+  			});
+  		}
+  	}]);
+  	return Assert;
+  }();
+
+  // Provide an alternative to assert.throws(), for environments that consider throws a reserved word
+  // Known to us are: Closure Compiler, Narwhal
+  // eslint-disable-next-line dot-notation
+
+
+  Assert.prototype.raises = Assert.prototype["throws"];
+
+  /**
+   * Converts an error into a simple string for comparisons.
+   *
+   * @param {Error} error
+   * @return {String}
+   */
+  function errorString(error) {
+  	var resultErrorString = error.toString();
+
+  	if (resultErrorString.substring(0, 7) === "[object") {
+  		var name = error.name ? error.name.toString() : "Error";
+  		var message = error.message ? error.message.toString() : "";
+
+  		if (name && message) {
+  			return name + ": " + message;
+  		} else if (name) {
+  			return name;
+  		} else if (message) {
+  			return message;
+  		} else {
+  			return "Error";
+  		}
+  	} else {
+  		return resultErrorString;
+  	}
+  }
+
+  /* global module, exports, define */
+  function exportQUnit(QUnit) {
+
+  	if (defined.document) {
+
+  		// QUnit may be defined when it is preconfigured but then only QUnit and QUnit.config may be defined.
+  		if (window.QUnit && window.QUnit.version) {
+  			throw new Error("QUnit has already been defined.");
+  		}
+
+  		window.QUnit = QUnit;
+  	}
+
+  	// For nodejs
+  	if (typeof module !== "undefined" && module && module.exports) {
+  		module.exports = QUnit;
+
+  		// For consistency with CommonJS environments' exports
+  		module.exports.QUnit = QUnit;
+  	}
+
+  	// For CommonJS with exports, but without module.exports, like Rhino
+  	if (typeof exports !== "undefined" && exports) {
+  		exports.QUnit = QUnit;
+  	}
+
+  	if (typeof define === "function" && define.amd) {
+  		define(function () {
+  			return QUnit;
+  		});
+  		QUnit.config.autostart = false;
+  	}
+  }
+
+  var SuiteReport = function () {
+  	function SuiteReport(name, parentSuite) {
+  		classCallCheck(this, SuiteReport);
+
+  		this.name = name;
+  		this.fullName = parentSuite ? parentSuite.fullName.concat(name) : [];
+
+  		this.tests = [];
+  		this.childSuites = [];
+
+  		if (parentSuite) {
+  			parentSuite.pushChildSuite(this);
+  		}
+  	}
+
+  	createClass(SuiteReport, [{
+  		key: "start",
+  		value: function start(recordTime) {
+  			if (recordTime) {
+  				this._startTime = Date.now();
+  			}
+
+  			return {
+  				name: this.name,
+  				fullName: this.fullName.slice(),
+  				tests: this.tests.map(function (test) {
+  					return test.start();
+  				}),
+  				childSuites: this.childSuites.map(function (suite) {
+  					return suite.start();
+  				}),
+  				testCounts: {
+  					total: this.getTestCounts().total
+  				}
+  			};
+  		}
+  	}, {
+  		key: "end",
+  		value: function end(recordTime) {
+  			if (recordTime) {
+  				this._endTime = Date.now();
+  			}
+
+  			return {
+  				name: this.name,
+  				fullName: this.fullName.slice(),
+  				tests: this.tests.map(function (test) {
+  					return test.end();
+  				}),
+  				childSuites: this.childSuites.map(function (suite) {
+  					return suite.end();
+  				}),
+  				testCounts: this.getTestCounts(),
+  				runtime: this.getRuntime(),
+  				status: this.getStatus()
+  			};
+  		}
+  	}, {
+  		key: "pushChildSuite",
+  		value: function pushChildSuite(suite) {
+  			this.childSuites.push(suite);
+  		}
+  	}, {
+  		key: "pushTest",
+  		value: function pushTest(test) {
+  			this.tests.push(test);
+  		}
+  	}, {
+  		key: "getRuntime",
+  		value: function getRuntime() {
+  			return this._endTime - this._startTime;
+  		}
+  	}, {
+  		key: "getTestCounts",
+  		value: function getTestCounts() {
+  			var counts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : { passed: 0, failed: 0, skipped: 0, todo: 0, total: 0 };
+
+  			counts = this.tests.reduce(function (counts, test) {
+  				counts[test.getStatus()]++;
+  				counts.total++;
+  				return counts;
+  			}, counts);
+
+  			return this.childSuites.reduce(function (counts, suite) {
+  				return suite.getTestCounts(counts);
+  			}, counts);
+  		}
+  	}, {
+  		key: "getStatus",
+  		value: function getStatus() {
+  			var _getTestCounts = this.getTestCounts(),
+  			    total = _getTestCounts.total,
+  			    failed = _getTestCounts.failed,
+  			    skipped = _getTestCounts.skipped,
+  			    todo = _getTestCounts.todo;
+
+  			if (failed) {
+  				return "failed";
+  			} else {
+  				if (skipped === total) {
+  					return "skipped";
+  				} else if (todo === total) {
+  					return "todo";
+  				} else {
+  					return "passed";
+  				}
+  			}
+  		}
+  	}]);
+  	return SuiteReport;
+  }();
+
+  // Handle an unhandled exception. By convention, returns true if further
+  // error handling should be suppressed and false otherwise.
+  // In this case, we will only suppress further error handling if the
+  // "ignoreGlobalErrors" configuration option is enabled.
+  function onError(error) {
+  	for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+  		args[_key - 1] = arguments[_key];
+  	}
+
+  	if (config.current) {
+  		if (config.current.ignoreGlobalErrors) {
+  			return true;
+  		}
+  		pushFailure.apply(undefined, [error.message, error.fileName + ":" + error.lineNumber].concat(args));
+  	} else {
+  		test("global failure", extend(function () {
+  			pushFailure.apply(undefined, [error.message, error.fileName + ":" + error.lineNumber].concat(args));
+  		}, { validTest: true }));
+  	}
+
+  	return false;
+  }
+
+  var QUnit = {};
+  var globalSuite = new SuiteReport();
+
+  // The initial "currentModule" represents the global (or top-level) module that
+  // is not explicitly defined by the user, therefore we add the "globalSuite" to
+  // it since each module has a suiteReport associated with it.
+  config.currentModule.suiteReport = globalSuite;
+
+  var globalStartCalled = false;
+  var runStarted = false;
+
+  var internalState = {
+  	autorun: false
+  };
+
+  // Figure out if we're running the tests from a server or not
+  QUnit.isLocal = !(defined.document && window.location.protocol !== "file:");
+
+  // Expose the current QUnit version
+  QUnit.version = "2.2.0";
+
+  extend(QUnit, {
+  	on: on,
+
+  	// Call on start of module test to prepend name to all tests
+  	module: function module(name, testEnvironment, executeNow) {
+  		var module, moduleFns;
+  		var currentModule = config.currentModule;
+
+  		if (arguments.length === 2) {
+  			if (objectType(testEnvironment) === "function") {
+  				executeNow = testEnvironment;
+  				testEnvironment = undefined;
+  			}
+  		}
+
+  		module = createModule();
+
+  		moduleFns = {
+  			before: setHook(module, "before"),
+  			beforeEach: setHook(module, "beforeEach"),
+  			afterEach: setHook(module, "afterEach"),
+  			after: setHook(module, "after")
+  		};
+
+  		if (objectType(executeNow) === "function") {
+  			config.moduleStack.push(module);
+  			setCurrentModule(module);
+  			executeNow.call(module.testEnvironment, moduleFns);
+  			config.moduleStack.pop();
+  			module = module.parentModule || currentModule;
+  		}
+
+  		setCurrentModule(module);
+
+  		function createModule() {
+  			var parentModule = config.moduleStack.length ? config.moduleStack.slice(-1)[0] : null;
+  			var moduleName = parentModule !== null ? [parentModule.name, name].join(" > ") : name;
+  			var parentSuite = parentModule ? parentModule.suiteReport : globalSuite;
+
+  			var module = {
+  				name: moduleName,
+  				parentModule: parentModule,
+  				tests: [],
+  				moduleId: generateHash(moduleName),
+  				testsRun: 0,
+  				childModules: [],
+  				suiteReport: new SuiteReport(name, parentSuite)
+  			};
+
+  			var env = {};
+  			if (parentModule) {
+  				parentModule.childModules.push(module);
+  				extend(env, parentModule.testEnvironment);
+  				delete env.beforeEach;
+  				delete env.afterEach;
+  			}
+  			extend(env, testEnvironment);
+  			module.testEnvironment = env;
+
+  			config.modules.push(module);
+  			return module;
+  		}
+
+  		function setCurrentModule(module) {
+  			config.currentModule = module;
+  		}
+  	},
+
+  	test: test,
+
+  	todo: todo,
+
+  	skip: skip,
+
+  	only: only,
+
+  	start: function start(count) {
+  		var globalStartAlreadyCalled = globalStartCalled;
+
+  		if (!config.current) {
+  			globalStartCalled = true;
+
+  			if (runStarted) {
+  				throw new Error("Called start() while test already started running");
+  			} else if (globalStartAlreadyCalled || count > 1) {
+  				throw new Error("Called start() outside of a test context too many times");
+  			} else if (config.autostart) {
+  				throw new Error("Called start() outside of a test context when " + "QUnit.config.autostart was true");
+  			} else if (!config.pageLoaded) {
+
+  				// The page isn't completely loaded yet, so we set autostart and then
+  				// load if we're in Node or wait for the browser's load event.
+  				config.autostart = true;
+
+  				// Starts from Node even if .load was not previously called. We still return
+  				// early otherwise we'll wind up "beginning" twice.
+  				if (!defined.document) {
+  					QUnit.load();
+  				}
+
+  				return;
+  			}
+  		} else {
+  			throw new Error("QUnit.start cannot be called inside a test context.");
+  		}
+
+  		scheduleBegin();
+  	},
+
+  	config: config,
+
+  	is: is,
+
+  	objectType: objectType,
+
+  	extend: extend,
+
+  	load: function load() {
+  		config.pageLoaded = true;
+
+  		// Initialize the configuration options
+  		extend(config, {
+  			stats: { all: 0, bad: 0 },
+  			started: 0,
+  			updateRate: 1000,
+  			autostart: true,
+  			filter: ""
+  		}, true);
+
+  		if (!runStarted) {
+  			config.blocking = false;
+
+  			if (config.autostart) {
+  				scheduleBegin();
+  			}
+  		}
+  	},
+
+  	stack: function stack(offset) {
+  		offset = (offset || 0) + 2;
+  		return sourceFromStacktrace(offset);
+  	},
+
+  	onError: onError
+  });
+
+  QUnit.pushFailure = pushFailure;
+  QUnit.assert = Assert.prototype;
+  QUnit.equiv = equiv;
+  QUnit.dump = dump;
+
+  registerLoggingCallbacks(QUnit);
+
+  function scheduleBegin() {
+
+  	runStarted = true;
+
+  	// Add a slight delay to allow definition of more modules and tests.
+  	if (defined.setTimeout) {
+  		setTimeout(function () {
+  			begin();
+  		}, 13);
+  	} else {
+  		begin();
+  	}
+  }
+
+  function begin() {
+  	var i,
+  	    l,
+  	    modulesLog = [];
+
+  	// If the test run hasn't officially begun yet
+  	if (!config.started) {
+
+  		// Record the time of the test run's beginning
+  		config.started = now();
+
+  		// Delete the loose unnamed module if unused.
+  		if (config.modules[0].name === "" && config.modules[0].tests.length === 0) {
+  			config.modules.shift();
+  		}
+
+  		// Avoid unnecessary information by not logging modules' test environments
+  		for (i = 0, l = config.modules.length; i < l; i++) {
+  			modulesLog.push({
+  				name: config.modules[i].name,
+  				tests: config.modules[i].tests
+  			});
+  		}
+
+  		// The test run is officially beginning now
+  		emit("runStart", globalSuite.start(true));
+  		runLoggingCallbacks("begin", {
+  			totalTests: Test.count,
+  			modules: modulesLog
+  		});
+  	}
+
+  	config.blocking = false;
+  	process(true);
+  }
+
+  function process(last) {
+  	function next() {
+  		process(last);
+  	}
+  	var start = now();
+  	config.depth = (config.depth || 0) + 1;
+
+  	while (config.queue.length && !config.blocking) {
+  		if (!defined.setTimeout || config.updateRate <= 0 || now() - start < config.updateRate) {
+  			if (config.current) {
+
+  				// Reset async tracking for each phase of the Test lifecycle
+  				config.current.usedAsync = false;
+  			}
+  			config.queue.shift()();
+  		} else {
+  			setTimeout(next, 13);
+  			break;
+  		}
+  	}
+  	config.depth--;
+  	if (last && !config.blocking && !config.queue.length && config.depth === 0) {
+  		done();
+  	}
+  }
+
+  function done() {
+  	var runtime,
+  	    passed,
+  	    i,
+  	    key,
+  	    storage = config.storage;
+
+  	internalState.autorun = true;
+
+  	runtime = now() - config.started;
+  	passed = config.stats.all - config.stats.bad;
+
+  	emit("runEnd", globalSuite.end(true));
+  	runLoggingCallbacks("done", {
+  		failed: config.stats.bad,
+  		passed: passed,
+  		total: config.stats.all,
+  		runtime: runtime
+  	});
+
+  	// Clear own storage items if all tests passed
+  	if (storage && config.stats.bad === 0) {
+  		for (i = storage.length - 1; i >= 0; i--) {
+  			key = storage.key(i);
+  			if (key.indexOf("qunit-test-") === 0) {
+  				storage.removeItem(key);
+  			}
+  		}
+  	}
+  }
+
+  function setHook(module, hookName) {
+  	if (module.testEnvironment === undefined) {
+  		module.testEnvironment = {};
+  	}
+
+  	return function (callback) {
+  		module.testEnvironment[hookName] = callback;
+  	};
+  }
+
+  exportQUnit(QUnit);
+
+  (function () {
+
+  	if (typeof window === "undefined" || typeof document === "undefined") {
+  		return;
+  	}
+
+  	var config = QUnit.config,
+  	    hasOwn = Object.prototype.hasOwnProperty;
+
+  	// Stores fixture HTML for resetting later
+  	function storeFixture() {
+
+  		// Avoid overwriting user-defined values
+  		if (hasOwn.call(config, "fixture")) {
+  			return;
+  		}
+
+  		var fixture = document.getElementById("qunit-fixture");
+  		if (fixture) {
+  			config.fixture = fixture.innerHTML;
+  		}
+  	}
+
+  	QUnit.begin(storeFixture);
+
+  	// Resets the fixture DOM element if available.
+  	function resetFixture() {
+  		if (config.fixture == null) {
+  			return;
+  		}
+
+  		var fixture = document.getElementById("qunit-fixture");
+  		if (fixture) {
+  			fixture.innerHTML = config.fixture;
+  		}
+  	}
+
+  	QUnit.testStart(resetFixture);
+  })();
+
+  (function () {
+
+  	// Only interact with URLs via window.location
+  	var location = typeof window !== "undefined" && window.location;
+  	if (!location) {
+  		return;
+  	}
+
+  	var urlParams = getUrlParams();
+
+  	QUnit.urlParams = urlParams;
+
+  	// Match module/test by inclusion in an array
+  	QUnit.config.moduleId = [].concat(urlParams.moduleId || []);
+  	QUnit.config.testId = [].concat(urlParams.testId || []);
+
+  	// Exact case-insensitive match of the module name
+  	QUnit.config.module = urlParams.module;
+
+  	// Regular expression or case-insenstive substring match against "moduleName: testName"
+  	QUnit.config.filter = urlParams.filter;
+
+  	// Test order randomization
+  	if (urlParams.seed === true) {
+
+  		// Generate a random seed if the option is specified without a value
+  		QUnit.config.seed = Math.random().toString(36).slice(2);
+  	} else if (urlParams.seed) {
+  		QUnit.config.seed = urlParams.seed;
+  	}
+
+  	// Add URL-parameter-mapped config values with UI form rendering data
+  	QUnit.config.urlConfig.push({
+  		id: "hidepassed",
+  		label: "Hide passed tests",
+  		tooltip: "Only show tests and assertions that fail. Stored as query-strings."
+  	}, {
+  		id: "noglobals",
+  		label: "Check for Globals",
+  		tooltip: "Enabling this will test if any test introduces new properties on the " + "global object (`window` in Browsers). Stored as query-strings."
+  	}, {
+  		id: "notrycatch",
+  		label: "No try-catch",
+  		tooltip: "Enabling this will run tests outside of a try-catch block. Makes debugging " + "exceptions in IE reasonable. Stored as query-strings."
+  	});
+
+  	QUnit.begin(function () {
+  		var i,
+  		    option,
+  		    urlConfig = QUnit.config.urlConfig;
+
+  		for (i = 0; i < urlConfig.length; i++) {
+
+  			// Options can be either strings or objects with nonempty "id" properties
+  			option = QUnit.config.urlConfig[i];
+  			if (typeof option !== "string") {
+  				option = option.id;
+  			}
+
+  			if (QUnit.config[option] === undefined) {
+  				QUnit.config[option] = urlParams[option];
+  			}
+  		}
+  	});
+
+  	function getUrlParams() {
+  		var i, param, name, value;
+  		var urlParams = Object.create(null);
+  		var params = location.search.slice(1).split("&");
+  		var length = params.length;
+
+  		for (i = 0; i < length; i++) {
+  			if (params[i]) {
+  				param = params[i].split("=");
+  				name = decodeQueryParam(param[0]);
+
+  				// Allow just a key to turn on a flag, e.g., test.html?noglobals
+  				value = param.length === 1 || decodeQueryParam(param.slice(1).join("="));
+  				if (name in urlParams) {
+  					urlParams[name] = [].concat(urlParams[name], value);
+  				} else {
+  					urlParams[name] = value;
+  				}
+  			}
+  		}
+
+  		return urlParams;
+  	}
+
+  	function decodeQueryParam(param) {
+  		return decodeURIComponent(param.replace(/\+/g, "%20"));
+  	}
+  })();
+
+  var stats = {
+  	passedTests: 0,
+  	failedTests: 0,
+  	skippedTests: 0,
+  	todoTests: 0
+  };
+
+  // Escape text for attribute or text content.
+  function escapeText(s) {
+  	if (!s) {
+  		return "";
+  	}
+  	s = s + "";
+
+  	// Both single quotes and double quotes (for attributes)
+  	return s.replace(/['"<>&]/g, function (s) {
+  		switch (s) {
+  			case "'":
+  				return "&#039;";
+  			case "\"":
+  				return "&quot;";
+  			case "<":
+  				return "&lt;";
+  			case ">":
+  				return "&gt;";
+  			case "&":
+  				return "&amp;";
+  		}
+  	});
+  }
+
+  (function () {
+
+  	// Don't load the HTML Reporter on non-browser environments
+  	if (typeof window === "undefined" || !window.document) {
+  		return;
+  	}
+
+  	var config = QUnit.config,
+  	    document$$1 = window.document,
+  	    collapseNext = false,
+  	    hasOwn = Object.prototype.hasOwnProperty,
+  	    unfilteredUrl = setUrl({ filter: undefined, module: undefined,
+  		moduleId: undefined, testId: undefined }),
+  	    modulesList = [];
+
+  	function addEvent(elem, type, fn) {
+  		elem.addEventListener(type, fn, false);
+  	}
+
+  	function removeEvent(elem, type, fn) {
+  		elem.removeEventListener(type, fn, false);
+  	}
+
+  	function addEvents(elems, type, fn) {
+  		var i = elems.length;
+  		while (i--) {
+  			addEvent(elems[i], type, fn);
+  		}
+  	}
+
+  	function hasClass(elem, name) {
+  		return (" " + elem.className + " ").indexOf(" " + name + " ") >= 0;
+  	}
+
+  	function addClass(elem, name) {
+  		if (!hasClass(elem, name)) {
+  			elem.className += (elem.className ? " " : "") + name;
+  		}
+  	}
+
+  	function toggleClass(elem, name, force) {
+  		if (force || typeof force === "undefined" && !hasClass(elem, name)) {
+  			addClass(elem, name);
+  		} else {
+  			removeClass(elem, name);
+  		}
+  	}
+
+  	function removeClass(elem, name) {
+  		var set = " " + elem.className + " ";
+
+  		// Class name may appear multiple times
+  		while (set.indexOf(" " + name + " ") >= 0) {
+  			set = set.replace(" " + name + " ", " ");
+  		}
+
+  		// Trim for prettiness
+  		elem.className = typeof set.trim === "function" ? set.trim() : set.replace(/^\s+|\s+$/g, "");
+  	}
+
+  	function id(name) {
+  		return document$$1.getElementById && document$$1.getElementById(name);
+  	}
+
+  	function abortTests() {
+  		var abortButton = id("qunit-abort-tests-button");
+  		if (abortButton) {
+  			abortButton.disabled = true;
+  			abortButton.innerHTML = "Aborting...";
+  		}
+  		QUnit.config.queue.length = 0;
+  		return false;
+  	}
+
+  	function interceptNavigation(ev) {
+  		applyUrlParams();
+
+  		if (ev && ev.preventDefault) {
+  			ev.preventDefault();
+  		}
+
+  		return false;
+  	}
+
+  	function getUrlConfigHtml() {
+  		var i,
+  		    j,
+  		    val,
+  		    escaped,
+  		    escapedTooltip,
+  		    selection = false,
+  		    urlConfig = config.urlConfig,
+  		    urlConfigHtml = "";
+
+  		for (i = 0; i < urlConfig.length; i++) {
+
+  			// Options can be either strings or objects with nonempty "id" properties
+  			val = config.urlConfig[i];
+  			if (typeof val === "string") {
+  				val = {
+  					id: val,
+  					label: val
+  				};
+  			}
+
+  			escaped = escapeText(val.id);
+  			escapedTooltip = escapeText(val.tooltip);
+
+  			if (!val.value || typeof val.value === "string") {
+  				urlConfigHtml += "<label for='qunit-urlconfig-" + escaped + "' title='" + escapedTooltip + "'><input id='qunit-urlconfig-" + escaped + "' name='" + escaped + "' type='checkbox'" + (val.value ? " value='" + escapeText(val.value) + "'" : "") + (config[val.id] ? " checked='checked'" : "") + " title='" + escapedTooltip + "' />" + escapeText(val.label) + "</label>";
+  			} else {
+  				urlConfigHtml += "<label for='qunit-urlconfig-" + escaped + "' title='" + escapedTooltip + "'>" + val.label + ": </label><select id='qunit-urlconfig-" + escaped + "' name='" + escaped + "' title='" + escapedTooltip + "'><option></option>";
+
+  				if (QUnit.is("array", val.value)) {
+  					for (j = 0; j < val.value.length; j++) {
+  						escaped = escapeText(val.value[j]);
+  						urlConfigHtml += "<option value='" + escaped + "'" + (config[val.id] === val.value[j] ? (selection = true) && " selected='selected'" : "") + ">" + escaped + "</option>";
+  					}
+  				} else {
+  					for (j in val.value) {
+  						if (hasOwn.call(val.value, j)) {
+  							urlConfigHtml += "<option value='" + escapeText(j) + "'" + (config[val.id] === j ? (selection = true) && " selected='selected'" : "") + ">" + escapeText(val.value[j]) + "</option>";
+  						}
+  					}
+  				}
+  				if (config[val.id] && !selection) {
+  					escaped = escapeText(config[val.id]);
+  					urlConfigHtml += "<option value='" + escaped + "' selected='selected' disabled='disabled'>" + escaped + "</option>";
+  				}
+  				urlConfigHtml += "</select>";
+  			}
+  		}
+
+  		return urlConfigHtml;
+  	}
+
+  	// Handle "click" events on toolbar checkboxes and "change" for select menus.
+  	// Updates the URL with the new state of `config.urlConfig` values.
+  	function toolbarChanged() {
+  		var updatedUrl,
+  		    value,
+  		    tests,
+  		    field = this,
+  		    params = {};
+
+  		// Detect if field is a select menu or a checkbox
+  		if ("selectedIndex" in field) {
+  			value = field.options[field.selectedIndex].value || undefined;
+  		} else {
+  			value = field.checked ? field.defaultValue || true : undefined;
+  		}
+
+  		params[field.name] = value;
+  		updatedUrl = setUrl(params);
+
+  		// Check if we can apply the change without a page refresh
+  		if ("hidepassed" === field.name && "replaceState" in window.history) {
+  			QUnit.urlParams[field.name] = value;
+  			config[field.name] = value || false;
+  			tests = id("qunit-tests");
+  			if (tests) {
+  				toggleClass(tests, "hidepass", value || false);
+  			}
+  			window.history.replaceState(null, "", updatedUrl);
+  		} else {
+  			window.location = updatedUrl;
+  		}
+  	}
+
+  	function setUrl(params) {
+  		var key,
+  		    arrValue,
+  		    i,
+  		    querystring = "?",
+  		    location = window.location;
+
+  		params = QUnit.extend(QUnit.extend({}, QUnit.urlParams), params);
+
+  		for (key in params) {
+
+  			// Skip inherited or undefined properties
+  			if (hasOwn.call(params, key) && params[key] !== undefined) {
+
+  				// Output a parameter for each value of this key (but usually just one)
+  				arrValue = [].concat(params[key]);
+  				for (i = 0; i < arrValue.length; i++) {
+  					querystring += encodeURIComponent(key);
+  					if (arrValue[i] !== true) {
+  						querystring += "=" + encodeURIComponent(arrValue[i]);
+  					}
+  					querystring += "&";
+  				}
+  			}
+  		}
+  		return location.protocol + "//" + location.host + location.pathname + querystring.slice(0, -1);
+  	}
+
+  	function applyUrlParams() {
+  		var i,
+  		    selectedModules = [],
+  		    modulesList = id("qunit-modulefilter-dropdown-list").getElementsByTagName("input"),
+  		    filter = id("qunit-filter-input").value;
+
+  		for (i = 0; i < modulesList.length; i++) {
+  			if (modulesList[i].checked) {
+  				selectedModules.push(modulesList[i].value);
+  			}
+  		}
+
+  		window.location = setUrl({
+  			filter: filter === "" ? undefined : filter,
+  			moduleId: selectedModules.length === 0 ? undefined : selectedModules,
+
+  			// Remove module and testId filter
+  			module: undefined,
+  			testId: undefined
+  		});
+  	}
+
+  	function toolbarUrlConfigContainer() {
+  		var urlConfigContainer = document$$1.createElement("span");
+
+  		urlConfigContainer.innerHTML = getUrlConfigHtml();
+  		addClass(urlConfigContainer, "qunit-url-config");
+
+  		addEvents(urlConfigContainer.getElementsByTagName("input"), "change", toolbarChanged);
+  		addEvents(urlConfigContainer.getElementsByTagName("select"), "change", toolbarChanged);
+
+  		return urlConfigContainer;
+  	}
+
+  	function abortTestsButton() {
+  		var button = document$$1.createElement("button");
+  		button.id = "qunit-abort-tests-button";
+  		button.innerHTML = "Abort";
+  		addEvent(button, "click", abortTests);
+  		return button;
+  	}
+
+  	function toolbarLooseFilter() {
+  		var filter = document$$1.createElement("form"),
+  		    label = document$$1.createElement("label"),
+  		    input = document$$1.createElement("input"),
+  		    button = document$$1.createElement("button");
+
+  		addClass(filter, "qunit-filter");
+
+  		label.innerHTML = "Filter: ";
+
+  		input.type = "text";
+  		input.value = config.filter || "";
+  		input.name = "filter";
+  		input.id = "qunit-filter-input";
+
+  		button.innerHTML = "Go";
+
+  		label.appendChild(input);
+
+  		filter.appendChild(label);
+  		filter.appendChild(document$$1.createTextNode(" "));
+  		filter.appendChild(button);
+  		addEvent(filter, "submit", interceptNavigation);
+
+  		return filter;
+  	}
+
+  	function moduleListHtml() {
+  		var i,
+  		    checked,
+  		    html = "";
+
+  		for (i = 0; i < config.modules.length; i++) {
+  			if (config.modules[i].name !== "") {
+  				checked = config.moduleId.indexOf(config.modules[i].moduleId) > -1;
+  				html += "<li><label class='clickable" + (checked ? " checked" : "") + "'><input type='checkbox' " + "value='" + config.modules[i].moduleId + "'" + (checked ? " checked='checked'" : "") + " />" + escapeText(config.modules[i].name) + "</label></li>";
+  			}
+  		}
+
+  		return html;
+  	}
+
+  	function toolbarModuleFilter() {
+  		var allCheckbox,
+  		    commit,
+  		    reset,
+  		    moduleFilter = document$$1.createElement("form"),
+  		    label = document$$1.createElement("label"),
+  		    moduleSearch = document$$1.createElement("input"),
+  		    dropDown = document$$1.createElement("div"),
+  		    actions = document$$1.createElement("span"),
+  		    dropDownList = document$$1.createElement("ul"),
+  		    dirty = false;
+
+  		moduleSearch.id = "qunit-modulefilter-search";
+  		addEvent(moduleSearch, "input", searchInput);
+  		addEvent(moduleSearch, "input", searchFocus);
+  		addEvent(moduleSearch, "focus", searchFocus);
+  		addEvent(moduleSearch, "click", searchFocus);
+
+  		label.id = "qunit-modulefilter-search-container";
+  		label.innerHTML = "Module: ";
+  		label.appendChild(moduleSearch);
+
+  		actions.id = "qunit-modulefilter-actions";
+  		actions.innerHTML = "<button style='display:none'>Apply</button>" + "<button type='reset' style='display:none'>Reset</button>" + "<label class='clickable" + (config.moduleId.length ? "" : " checked") + "'><input type='checkbox'" + (config.moduleId.length ? "" : " checked='checked'") + ">All modules</label>";
+  		allCheckbox = actions.lastChild.firstChild;
+  		commit = actions.firstChild;
+  		reset = commit.nextSibling;
+  		addEvent(commit, "click", applyUrlParams);
+
+  		dropDownList.id = "qunit-modulefilter-dropdown-list";
+  		dropDownList.innerHTML = moduleListHtml();
+
+  		dropDown.id = "qunit-modulefilter-dropdown";
+  		dropDown.style.display = "none";
+  		dropDown.appendChild(actions);
+  		dropDown.appendChild(dropDownList);
+  		addEvent(dropDown, "change", selectionChange);
+  		selectionChange();
+
+  		moduleFilter.id = "qunit-modulefilter";
+  		moduleFilter.appendChild(label);
+  		moduleFilter.appendChild(dropDown);
+  		addEvent(moduleFilter, "submit", interceptNavigation);
+  		addEvent(moduleFilter, "reset", function () {
+
+  			// Let the reset happen, then update styles
+  			window.setTimeout(selectionChange);
+  		});
+
+  		// Enables show/hide for the dropdown
+  		function searchFocus() {
+  			if (dropDown.style.display !== "none") {
+  				return;
+  			}
+
+  			dropDown.style.display = "block";
+  			addEvent(document$$1, "click", hideHandler);
+  			addEvent(document$$1, "keydown", hideHandler);
+
+  			// Hide on Escape keydown or outside-container click
+  			function hideHandler(e) {
+  				var inContainer = moduleFilter.contains(e.target);
+
+  				if (e.keyCode === 27 || !inContainer) {
+  					if (e.keyCode === 27 && inContainer) {
+  						moduleSearch.focus();
+  					}
+  					dropDown.style.display = "none";
+  					removeEvent(document$$1, "click", hideHandler);
+  					removeEvent(document$$1, "keydown", hideHandler);
+  					moduleSearch.value = "";
+  					searchInput();
+  				}
+  			}
+  		}
+
+  		// Processes module search box input
+  		function searchInput() {
+  			var i,
+  			    item,
+  			    searchText = moduleSearch.value.toLowerCase(),
+  			    listItems = dropDownList.children;
+
+  			for (i = 0; i < listItems.length; i++) {
+  				item = listItems[i];
+  				if (!searchText || item.textContent.toLowerCase().indexOf(searchText) > -1) {
+  					item.style.display = "";
+  				} else {
+  					item.style.display = "none";
+  				}
+  			}
+  		}
+
+  		// Processes selection changes
+  		function selectionChange(evt) {
+  			var i,
+  			    item,
+  			    checkbox = evt && evt.target || allCheckbox,
+  			    modulesList = dropDownList.getElementsByTagName("input"),
+  			    selectedNames = [];
+
+  			toggleClass(checkbox.parentNode, "checked", checkbox.checked);
+
+  			dirty = false;
+  			if (checkbox.checked && checkbox !== allCheckbox) {
+  				allCheckbox.checked = false;
+  				removeClass(allCheckbox.parentNode, "checked");
+  			}
+  			for (i = 0; i < modulesList.length; i++) {
+  				item = modulesList[i];
+  				if (!evt) {
+  					toggleClass(item.parentNode, "checked", item.checked);
+  				} else if (checkbox === allCheckbox && checkbox.checked) {
+  					item.checked = false;
+  					removeClass(item.parentNode, "checked");
+  				}
+  				dirty = dirty || item.checked !== item.defaultChecked;
+  				if (item.checked) {
+  					selectedNames.push(item.parentNode.textContent);
+  				}
+  			}
+
+  			commit.style.display = reset.style.display = dirty ? "" : "none";
+  			moduleSearch.placeholder = selectedNames.join(", ") || allCheckbox.parentNode.textContent;
+  			moduleSearch.title = "Type to filter list. Current selection:\n" + (selectedNames.join("\n") || allCheckbox.parentNode.textContent);
+  		}
+
+  		return moduleFilter;
+  	}
+
+  	function appendToolbar() {
+  		var toolbar = id("qunit-testrunner-toolbar");
+
+  		if (toolbar) {
+  			toolbar.appendChild(toolbarUrlConfigContainer());
+  			toolbar.appendChild(toolbarModuleFilter());
+  			toolbar.appendChild(toolbarLooseFilter());
+  			toolbar.appendChild(document$$1.createElement("div")).className = "clearfix";
+  		}
+  	}
+
+  	function appendHeader() {
+  		var header = id("qunit-header");
+
+  		if (header) {
+  			header.innerHTML = "<a href='" + escapeText(unfilteredUrl) + "'>" + header.innerHTML + "</a> ";
+  		}
+  	}
+
+  	function appendBanner() {
+  		var banner = id("qunit-banner");
+
+  		if (banner) {
+  			banner.className = "";
+  		}
+  	}
+
+  	function appendTestResults() {
+  		var tests = id("qunit-tests"),
+  		    result = id("qunit-testresult"),
+  		    controls;
+
+  		if (result) {
+  			result.parentNode.removeChild(result);
+  		}
+
+  		if (tests) {
+  			tests.innerHTML = "";
+  			result = document$$1.createElement("p");
+  			result.id = "qunit-testresult";
+  			result.className = "result";
+  			tests.parentNode.insertBefore(result, tests);
+  			result.innerHTML = "<div id=\"qunit-testresult-display\">Running...<br />&#160;</div>" + "<div id=\"qunit-testresult-controls\"></div>" + "<div class=\"clearfix\"></div>";
+  			controls = id("qunit-testresult-controls");
+  		}
+
+  		if (controls) {
+  			controls.appendChild(abortTestsButton());
+  		}
+  	}
+
+  	function appendFilteredTest() {
+  		var testId = QUnit.config.testId;
+  		if (!testId || testId.length <= 0) {
+  			return "";
+  		}
+  		return "<div id='qunit-filteredTest'>Rerunning selected tests: " + escapeText(testId.join(", ")) + " <a id='qunit-clearFilter' href='" + escapeText(unfilteredUrl) + "'>Run all tests</a></div>";
+  	}
+
+  	function appendUserAgent() {
+  		var userAgent = id("qunit-userAgent");
+
+  		if (userAgent) {
+  			userAgent.innerHTML = "";
+  			userAgent.appendChild(document$$1.createTextNode("QUnit " + QUnit.version + "; " + navigator.userAgent));
+  		}
+  	}
+
+  	function appendInterface() {
+  		var qunit = id("qunit");
+
+  		if (qunit) {
+  			qunit.innerHTML = "<h1 id='qunit-header'>" + escapeText(document$$1.title) + "</h1>" + "<h2 id='qunit-banner'></h2>" + "<div id='qunit-testrunner-toolbar'></div>" + appendFilteredTest() + "<h2 id='qunit-userAgent'></h2>" + "<ol id='qunit-tests'></ol>";
+  		}
+
+  		appendHeader();
+  		appendBanner();
+  		appendTestResults();
+  		appendUserAgent();
+  		appendToolbar();
+  	}
+
+  	function appendTestsList(modules) {
+  		var i, l, x, z, test, moduleObj;
+
+  		for (i = 0, l = modules.length; i < l; i++) {
+  			moduleObj = modules[i];
+
+  			for (x = 0, z = moduleObj.tests.length; x < z; x++) {
+  				test = moduleObj.tests[x];
+
+  				appendTest(test.name, test.testId, moduleObj.name);
+  			}
+  		}
+  	}
+
+  	function appendTest(name, testId, moduleName) {
+  		var title,
+  		    rerunTrigger,
+  		    testBlock,
+  		    assertList,
+  		    tests = id("qunit-tests");
+
+  		if (!tests) {
+  			return;
+  		}
+
+  		title = document$$1.createElement("strong");
+  		title.innerHTML = getNameHtml(name, moduleName);
+
+  		rerunTrigger = document$$1.createElement("a");
+  		rerunTrigger.innerHTML = "Rerun";
+  		rerunTrigger.href = setUrl({ testId: testId });
+
+  		testBlock = document$$1.createElement("li");
+  		testBlock.appendChild(title);
+  		testBlock.appendChild(rerunTrigger);
+  		testBlock.id = "qunit-test-output-" + testId;
+
+  		assertList = document$$1.createElement("ol");
+  		assertList.className = "qunit-assert-list";
+
+  		testBlock.appendChild(assertList);
+
+  		tests.appendChild(testBlock);
+  	}
+
+  	// HTML Reporter initialization and load
+  	QUnit.begin(function (details) {
+  		var i, moduleObj, tests;
+
+  		// Sort modules by name for the picker
+  		for (i = 0; i < details.modules.length; i++) {
+  			moduleObj = details.modules[i];
+  			if (moduleObj.name) {
+  				modulesList.push(moduleObj.name);
+  			}
+  		}
+  		modulesList.sort(function (a, b) {
+  			return a.localeCompare(b);
+  		});
+
+  		// Initialize QUnit elements
+  		appendInterface();
+  		appendTestsList(details.modules);
+  		tests = id("qunit-tests");
+  		if (tests && config.hidepassed) {
+  			addClass(tests, "hidepass");
+  		}
+  	});
+
+  	QUnit.done(function (details) {
+  		var banner = id("qunit-banner"),
+  		    tests = id("qunit-tests"),
+  		    abortButton = id("qunit-abort-tests-button"),
+  		    totalTests = stats.passedTests + stats.skippedTests + stats.todoTests + stats.failedTests,
+  		    html = [totalTests, " tests completed in ", details.runtime, " milliseconds, with ", stats.failedTests, " failed, ", stats.skippedTests, " skipped, and ", stats.todoTests, " todo.<br />", "<span class='passed'>", details.passed, "</span> assertions of <span class='total'>", details.total, "</span> passed, <span class='failed'>", details.failed, "</span> failed."].join(""),
+  		    test,
+  		    assertLi,
+  		    assertList;
+
+  		// Update remaing tests to aborted
+  		if (abortButton && abortButton.disabled) {
+  			html = "Tests aborted after " + details.runtime + " milliseconds.";
+
+  			for (var i = 0; i < tests.children.length; i++) {
+  				test = tests.children[i];
+  				if (test.className === "" || test.className === "running") {
+  					test.className = "aborted";
+  					assertList = test.getElementsByTagName("ol")[0];
+  					assertLi = document$$1.createElement("li");
+  					assertLi.className = "fail";
+  					assertLi.innerHTML = "Test aborted.";
+  					assertList.appendChild(assertLi);
+  				}
+  			}
+  		}
+
+  		if (banner && (!abortButton || abortButton.disabled === false)) {
+  			banner.className = stats.failedTests ? "qunit-fail" : "qunit-pass";
+  		}
+
+  		if (abortButton) {
+  			abortButton.parentNode.removeChild(abortButton);
+  		}
+
+  		if (tests) {
+  			id("qunit-testresult-display").innerHTML = html;
+  		}
+
+  		if (config.altertitle && document$$1.title) {
+
+  			// Show ✖ for good, ✔ for bad suite result in title
+  			// use escape sequences in case file gets loaded with non-utf-8-charset
+  			document$$1.title = [stats.failedTests ? "\u2716" : "\u2714", document$$1.title.replace(/^[\u2714\u2716] /i, "")].join(" ");
+  		}
+
+  		// Scroll back to top to show results
+  		if (config.scrolltop && window.scrollTo) {
+  			window.scrollTo(0, 0);
+  		}
+  	});
+
+  	function getNameHtml(name, module) {
+  		var nameHtml = "";
+
+  		if (module) {
+  			nameHtml = "<span class='module-name'>" + escapeText(module) + "</span>: ";
+  		}
+
+  		nameHtml += "<span class='test-name'>" + escapeText(name) + "</span>";
+
+  		return nameHtml;
+  	}
+
+  	QUnit.testStart(function (details) {
+  		var running, testBlock, bad;
+
+  		testBlock = id("qunit-test-output-" + details.testId);
+  		if (testBlock) {
+  			testBlock.className = "running";
+  		} else {
+
+  			// Report later registered tests
+  			appendTest(details.name, details.testId, details.module);
+  		}
+
+  		running = id("qunit-testresult-display");
+  		if (running) {
+  			bad = QUnit.config.reorder && details.previousFailure;
+
+  			running.innerHTML = (bad ? "Rerunning previously failed test: <br />" : "Running: <br />") + getNameHtml(details.name, details.module);
+  		}
+  	});
+
+  	function stripHtml(string) {
+
+  		// Strip tags, html entity and whitespaces
+  		return string.replace(/<\/?[^>]+(>|$)/g, "").replace(/\&quot;/g, "").replace(/\s+/g, "");
+  	}
+
+  	QUnit.log(function (details) {
+  		var assertList,
+  		    assertLi,
+  		    message,
+  		    expected,
+  		    actual,
+  		    diff,
+  		    showDiff = false,
+  		    testItem = id("qunit-test-output-" + details.testId);
+
+  		if (!testItem) {
+  			return;
+  		}
+
+  		message = escapeText(details.message) || (details.result ? "okay" : "failed");
+  		message = "<span class='test-message'>" + message + "</span>";
+  		message += "<span class='runtime'>@ " + details.runtime + " ms</span>";
+
+  		// The pushFailure doesn't provide details.expected
+  		// when it calls, it's implicit to also not show expected and diff stuff
+  		// Also, we need to check details.expected existence, as it can exist and be undefined
+  		if (!details.result && hasOwn.call(details, "expected")) {
+  			if (details.negative) {
+  				expected = "NOT " + QUnit.dump.parse(details.expected);
+  			} else {
+  				expected = QUnit.dump.parse(details.expected);
+  			}
+
+  			actual = QUnit.dump.parse(details.actual);
+  			message += "<table><tr class='test-expected'><th>Expected: </th><td><pre>" + escapeText(expected) + "</pre></td></tr>";
+
+  			if (actual !== expected) {
+
+  				message += "<tr class='test-actual'><th>Result: </th><td><pre>" + escapeText(actual) + "</pre></td></tr>";
+
+  				// Don't show diff if actual or expected are booleans
+  				if (!/^(true|false)$/.test(actual) && !/^(true|false)$/.test(expected)) {
+  					diff = QUnit.diff(expected, actual);
+  					showDiff = stripHtml(diff).length !== stripHtml(expected).length + stripHtml(actual).length;
+  				}
+
+  				// Don't show diff if expected and actual are totally different
+  				if (showDiff) {
+  					message += "<tr class='test-diff'><th>Diff: </th><td><pre>" + diff + "</pre></td></tr>";
+  				}
+  			} else if (expected.indexOf("[object Array]") !== -1 || expected.indexOf("[object Object]") !== -1) {
+  				message += "<tr class='test-message'><th>Message: </th><td>" + "Diff suppressed as the depth of object is more than current max depth (" + QUnit.config.maxDepth + ").<p>Hint: Use <code>QUnit.dump.maxDepth</code> to " + " run with a higher max depth or <a href='" + escapeText(setUrl({ maxDepth: -1 })) + "'>" + "Rerun</a> without max depth.</p></td></tr>";
+  			} else {
+  				message += "<tr class='test-message'><th>Message: </th><td>" + "Diff suppressed as the expected and actual results have an equivalent" + " serialization</td></tr>";
+  			}
+
+  			if (details.source) {
+  				message += "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText(details.source) + "</pre></td></tr>";
+  			}
+
+  			message += "</table>";
+
+  			// This occurs when pushFailure is set and we have an extracted stack trace
+  		} else if (!details.result && details.source) {
+  			message += "<table>" + "<tr class='test-source'><th>Source: </th><td><pre>" + escapeText(details.source) + "</pre></td></tr>" + "</table>";
+  		}
+
+  		assertList = testItem.getElementsByTagName("ol")[0];
+
+  		assertLi = document$$1.createElement("li");
+  		assertLi.className = details.result ? "pass" : "fail";
+  		assertLi.innerHTML = message;
+  		assertList.appendChild(assertLi);
+  	});
+
+  	QUnit.testDone(function (details) {
+  		var testTitle,
+  		    time,
+  		    testItem,
+  		    assertList,
+  		    good,
+  		    bad,
+  		    testCounts,
+  		    skipped,
+  		    sourceName,
+  		    tests = id("qunit-tests");
+
+  		if (!tests) {
+  			return;
+  		}
+
+  		testItem = id("qunit-test-output-" + details.testId);
+
+  		assertList = testItem.getElementsByTagName("ol")[0];
+
+  		good = details.passed;
+  		bad = details.failed;
+
+  		// This test passed if it has no unexpected failed assertions
+  		var testPassed = details.failed > 0 ? details.todo : !details.todo;
+
+  		if (testPassed) {
+
+  			// Collapse the passing tests
+  			addClass(assertList, "qunit-collapsed");
+  		} else if (config.collapse) {
+  			if (!collapseNext) {
+
+  				// Skip collapsing the first failing test
+  				collapseNext = true;
+  			} else {
+
+  				// Collapse remaining tests
+  				addClass(assertList, "qunit-collapsed");
+  			}
+  		}
+
+  		// The testItem.firstChild is the test name
+  		testTitle = testItem.firstChild;
+
+  		testCounts = bad ? "<b class='failed'>" + bad + "</b>, " + "<b class='passed'>" + good + "</b>, " : "";
+
+  		testTitle.innerHTML += " <b class='counts'>(" + testCounts + details.assertions.length + ")</b>";
+
+  		if (details.skipped) {
+  			stats.skippedTests++;
+
+  			testItem.className = "skipped";
+  			skipped = document$$1.createElement("em");
+  			skipped.className = "qunit-skipped-label";
+  			skipped.innerHTML = "skipped";
+  			testItem.insertBefore(skipped, testTitle);
+  		} else {
+  			addEvent(testTitle, "click", function () {
+  				toggleClass(assertList, "qunit-collapsed");
+  			});
+
+  			testItem.className = testPassed ? "pass" : "fail";
+
+  			if (details.todo) {
+  				var todoLabel = document$$1.createElement("em");
+  				todoLabel.className = "qunit-todo-label";
+  				todoLabel.innerHTML = "todo";
+  				testItem.insertBefore(todoLabel, testTitle);
+  			}
+
+  			time = document$$1.createElement("span");
+  			time.className = "runtime";
+  			time.innerHTML = details.runtime + " ms";
+  			testItem.insertBefore(time, assertList);
+
+  			if (!testPassed) {
+  				stats.failedTests++;
+  			} else if (details.todo) {
+  				stats.todoTests++;
+  			} else {
+  				stats.passedTests++;
+  			}
+  		}
+
+  		// Show the source of the test when showing assertions
+  		if (details.source) {
+  			sourceName = document$$1.createElement("p");
+  			sourceName.innerHTML = "<strong>Source: </strong>" + details.source;
+  			addClass(sourceName, "qunit-source");
+  			if (testPassed) {
+  				addClass(sourceName, "qunit-collapsed");
+  			}
+  			addEvent(testTitle, "click", function () {
+  				toggleClass(sourceName, "qunit-collapsed");
+  			});
+  			testItem.appendChild(sourceName);
+  		}
+  	});
+
+  	// Avoid readyState issue with phantomjs
+  	// Ref: #818
+  	var notPhantom = function (p) {
+  		return !(p && p.version && p.version.major > 0);
+  	}(window.phantom);
+
+  	if (notPhantom && document$$1.readyState === "complete") {
+  		QUnit.load();
+  	} else {
+  		addEvent(window, "load", QUnit.load);
+  	}
+
+  	// Wrap window.onerror. We will call the original window.onerror to see if
+  	// the existing handler fully handles the error; if not, we will call the
+  	// QUnit.onError function.
+  	var originalWindowOnError = window.onerror;
+
+  	// Cover uncaught exceptions
+  	// Returning true will suppress the default browser handler,
+  	// returning false will let it run.
+  	window.onerror = function (message, fileName, lineNumber) {
+  		var ret = false;
+  		if (originalWindowOnError) {
+  			for (var _len = arguments.length, args = Array(_len > 3 ? _len - 3 : 0), _key = 3; _key < _len; _key++) {
+  				args[_key - 3] = arguments[_key];
+  			}
+
+  			ret = originalWindowOnError.call.apply(originalWindowOnError, [this, message, fileName, lineNumber].concat(args));
+  		}
+
+  		// Treat return value as window.onerror itself does,
+  		// Only do our handling if not suppressed.
+  		if (ret !== true) {
+  			var error = {
+  				message: message,
+  				fileName: fileName,
+  				lineNumber: lineNumber
+  			};
+
+  			ret = QUnit.onError(error);
+  		}
+
+  		return ret;
+  	};
+  })();
+
+  /*
+   * This file is a modified version of google-diff-match-patch's JavaScript implementation
+   * (https://code.google.com/p/google-diff-match-patch/source/browse/trunk/javascript/diff_match_patch_uncompressed.js),
+   * modifications are licensed as more fully set forth in LICENSE.txt.
+   *
+   * The original source of google-diff-match-patch is attributable and licensed as follows:
+   *
+   * Copyright 2006 Google Inc.
+   * https://code.google.com/p/google-diff-match-patch/
+   *
+   * Licensed under the Apache License, Version 2.0 (the "License");
+   * you may not use this file except in compliance with the License.
+   * You may obtain a copy of the License at
+   *
+   * https://www.apache.org/licenses/LICENSE-2.0
+   *
+   * Unless required by applicable law or agreed to in writing, software
+   * distributed under the License is distributed on an "AS IS" BASIS,
+   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   * See the License for the specific language governing permissions and
+   * limitations under the License.
+   *
+   * More Info:
+   *  https://code.google.com/p/google-diff-match-patch/
+   *
+   * Usage: QUnit.diff(expected, actual)
+   *
+   */
+  QUnit.diff = function () {
+  	function DiffMatchPatch() {}
+
+  	//  DIFF FUNCTIONS
+
+  	/**
+    * The data structure representing a diff is an array of tuples:
+    * [[DIFF_DELETE, 'Hello'], [DIFF_INSERT, 'Goodbye'], [DIFF_EQUAL, ' world.']]
+    * which means: delete 'Hello', add 'Goodbye' and keep ' world.'
+    */
+  	var DIFF_DELETE = -1,
+  	    DIFF_INSERT = 1,
+  	    DIFF_EQUAL = 0;
+
+  	/**
+    * Find the differences between two texts.  Simplifies the problem by stripping
+    * any common prefix or suffix off the texts before diffing.
+    * @param {string} text1 Old string to be diffed.
+    * @param {string} text2 New string to be diffed.
+    * @param {boolean=} optChecklines Optional speedup flag. If present and false,
+    *     then don't run a line-level diff first to identify the changed areas.
+    *     Defaults to true, which does a faster, slightly less optimal diff.
+    * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+    */
+  	DiffMatchPatch.prototype.DiffMain = function (text1, text2, optChecklines) {
+  		var deadline, checklines, commonlength, commonprefix, commonsuffix, diffs;
+
+  		// The diff must be complete in up to 1 second.
+  		deadline = new Date().getTime() + 1000;
+
+  		// Check for null inputs.
+  		if (text1 === null || text2 === null) {
+  			throw new Error("Null input. (DiffMain)");
+  		}
+
+  		// Check for equality (speedup).
+  		if (text1 === text2) {
+  			if (text1) {
+  				return [[DIFF_EQUAL, text1]];
+  			}
+  			return [];
+  		}
+
+  		if (typeof optChecklines === "undefined") {
+  			optChecklines = true;
+  		}
+
+  		checklines = optChecklines;
+
+  		// Trim off common prefix (speedup).
+  		commonlength = this.diffCommonPrefix(text1, text2);
+  		commonprefix = text1.substring(0, commonlength);
+  		text1 = text1.substring(commonlength);
+  		text2 = text2.substring(commonlength);
+
+  		// Trim off common suffix (speedup).
+  		commonlength = this.diffCommonSuffix(text1, text2);
+  		commonsuffix = text1.substring(text1.length - commonlength);
+  		text1 = text1.substring(0, text1.length - commonlength);
+  		text2 = text2.substring(0, text2.length - commonlength);
+
+  		// Compute the diff on the middle block.
+  		diffs = this.diffCompute(text1, text2, checklines, deadline);
+
+  		// Restore the prefix and suffix.
+  		if (commonprefix) {
+  			diffs.unshift([DIFF_EQUAL, commonprefix]);
+  		}
+  		if (commonsuffix) {
+  			diffs.push([DIFF_EQUAL, commonsuffix]);
+  		}
+  		this.diffCleanupMerge(diffs);
+  		return diffs;
+  	};
+
+  	/**
+    * Reduce the number of edits by eliminating operationally trivial equalities.
+    * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+    */
+  	DiffMatchPatch.prototype.diffCleanupEfficiency = function (diffs) {
+  		var changes, equalities, equalitiesLength, lastequality, pointer, preIns, preDel, postIns, postDel;
+  		changes = false;
+  		equalities = []; // Stack of indices where equalities are found.
+  		equalitiesLength = 0; // Keeping our own length var is faster in JS.
+  		/** @type {?string} */
+  		lastequality = null;
+
+  		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
+  		pointer = 0; // Index of current position.
+
+  		// Is there an insertion operation before the last equality.
+  		preIns = false;
+
+  		// Is there a deletion operation before the last equality.
+  		preDel = false;
+
+  		// Is there an insertion operation after the last equality.
+  		postIns = false;
+
+  		// Is there a deletion operation after the last equality.
+  		postDel = false;
+  		while (pointer < diffs.length) {
+
+  			// Equality found.
+  			if (diffs[pointer][0] === DIFF_EQUAL) {
+  				if (diffs[pointer][1].length < 4 && (postIns || postDel)) {
+
+  					// Candidate found.
+  					equalities[equalitiesLength++] = pointer;
+  					preIns = postIns;
+  					preDel = postDel;
+  					lastequality = diffs[pointer][1];
+  				} else {
+
+  					// Not a candidate, and can never become one.
+  					equalitiesLength = 0;
+  					lastequality = null;
+  				}
+  				postIns = postDel = false;
+
+  				// An insertion or deletion.
+  			} else {
+
+  				if (diffs[pointer][0] === DIFF_DELETE) {
+  					postDel = true;
+  				} else {
+  					postIns = true;
+  				}
+
+  				/*
+       * Five types to be split:
+       * <ins>A</ins><del>B</del>XY<ins>C</ins><del>D</del>
+       * <ins>A</ins>X<ins>C</ins><del>D</del>
+       * <ins>A</ins><del>B</del>X<ins>C</ins>
+       * <ins>A</del>X<ins>C</ins><del>D</del>
+       * <ins>A</ins><del>B</del>X<del>C</del>
+       */
+  				if (lastequality && (preIns && preDel && postIns && postDel || lastequality.length < 2 && preIns + preDel + postIns + postDel === 3)) {
+
+  					// Duplicate record.
+  					diffs.splice(equalities[equalitiesLength - 1], 0, [DIFF_DELETE, lastequality]);
+
+  					// Change second copy to insert.
+  					diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
+  					equalitiesLength--; // Throw away the equality we just deleted;
+  					lastequality = null;
+  					if (preIns && preDel) {
+
+  						// No changes made which could affect previous entry, keep going.
+  						postIns = postDel = true;
+  						equalitiesLength = 0;
+  					} else {
+  						equalitiesLength--; // Throw away the previous equality.
+  						pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
+  						postIns = postDel = false;
+  					}
+  					changes = true;
+  				}
+  			}
+  			pointer++;
+  		}
+
+  		if (changes) {
+  			this.diffCleanupMerge(diffs);
+  		}
+  	};
+
+  	/**
+    * Convert a diff array into a pretty HTML report.
+    * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+    * @param {integer} string to be beautified.
+    * @return {string} HTML representation.
+    */
+  	DiffMatchPatch.prototype.diffPrettyHtml = function (diffs) {
+  		var op,
+  		    data,
+  		    x,
+  		    html = [];
+  		for (x = 0; x < diffs.length; x++) {
+  			op = diffs[x][0]; // Operation (insert, delete, equal)
+  			data = diffs[x][1]; // Text of change.
+  			switch (op) {
+  				case DIFF_INSERT:
+  					html[x] = "<ins>" + escapeText(data) + "</ins>";
+  					break;
+  				case DIFF_DELETE:
+  					html[x] = "<del>" + escapeText(data) + "</del>";
+  					break;
+  				case DIFF_EQUAL:
+  					html[x] = "<span>" + escapeText(data) + "</span>";
+  					break;
+  			}
+  		}
+  		return html.join("");
+  	};
+
+  	/**
+    * Determine the common prefix of two strings.
+    * @param {string} text1 First string.
+    * @param {string} text2 Second string.
+    * @return {number} The number of characters common to the start of each
+    *     string.
+    */
+  	DiffMatchPatch.prototype.diffCommonPrefix = function (text1, text2) {
+  		var pointermid, pointermax, pointermin, pointerstart;
+
+  		// Quick check for common null cases.
+  		if (!text1 || !text2 || text1.charAt(0) !== text2.charAt(0)) {
+  			return 0;
+  		}
+
+  		// Binary search.
+  		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
+  		pointermin = 0;
+  		pointermax = Math.min(text1.length, text2.length);
+  		pointermid = pointermax;
+  		pointerstart = 0;
+  		while (pointermin < pointermid) {
+  			if (text1.substring(pointerstart, pointermid) === text2.substring(pointerstart, pointermid)) {
+  				pointermin = pointermid;
+  				pointerstart = pointermin;
+  			} else {
+  				pointermax = pointermid;
+  			}
+  			pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
+  		}
+  		return pointermid;
+  	};
+
+  	/**
+    * Determine the common suffix of two strings.
+    * @param {string} text1 First string.
+    * @param {string} text2 Second string.
+    * @return {number} The number of characters common to the end of each string.
+    */
+  	DiffMatchPatch.prototype.diffCommonSuffix = function (text1, text2) {
+  		var pointermid, pointermax, pointermin, pointerend;
+
+  		// Quick check for common null cases.
+  		if (!text1 || !text2 || text1.charAt(text1.length - 1) !== text2.charAt(text2.length - 1)) {
+  			return 0;
+  		}
+
+  		// Binary search.
+  		// Performance analysis: https://neil.fraser.name/news/2007/10/09/
+  		pointermin = 0;
+  		pointermax = Math.min(text1.length, text2.length);
+  		pointermid = pointermax;
+  		pointerend = 0;
+  		while (pointermin < pointermid) {
+  			if (text1.substring(text1.length - pointermid, text1.length - pointerend) === text2.substring(text2.length - pointermid, text2.length - pointerend)) {
+  				pointermin = pointermid;
+  				pointerend = pointermin;
+  			} else {
+  				pointermax = pointermid;
+  			}
+  			pointermid = Math.floor((pointermax - pointermin) / 2 + pointermin);
+  		}
+  		return pointermid;
+  	};
+
+  	/**
+    * Find the differences between two texts.  Assumes that the texts do not
+    * have any common prefix or suffix.
+    * @param {string} text1 Old string to be diffed.
+    * @param {string} text2 New string to be diffed.
+    * @param {boolean} checklines Speedup flag.  If false, then don't run a
+    *     line-level diff first to identify the changed areas.
+    *     If true, then run a faster, slightly less optimal diff.
+    * @param {number} deadline Time when the diff should be complete by.
+    * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffCompute = function (text1, text2, checklines, deadline) {
+  		var diffs, longtext, shorttext, i, hm, text1A, text2A, text1B, text2B, midCommon, diffsA, diffsB;
+
+  		if (!text1) {
+
+  			// Just add some text (speedup).
+  			return [[DIFF_INSERT, text2]];
+  		}
+
+  		if (!text2) {
+
+  			// Just delete some text (speedup).
+  			return [[DIFF_DELETE, text1]];
+  		}
+
+  		longtext = text1.length > text2.length ? text1 : text2;
+  		shorttext = text1.length > text2.length ? text2 : text1;
+  		i = longtext.indexOf(shorttext);
+  		if (i !== -1) {
+
+  			// Shorter text is inside the longer text (speedup).
+  			diffs = [[DIFF_INSERT, longtext.substring(0, i)], [DIFF_EQUAL, shorttext], [DIFF_INSERT, longtext.substring(i + shorttext.length)]];
+
+  			// Swap insertions for deletions if diff is reversed.
+  			if (text1.length > text2.length) {
+  				diffs[0][0] = diffs[2][0] = DIFF_DELETE;
+  			}
+  			return diffs;
+  		}
+
+  		if (shorttext.length === 1) {
+
+  			// Single character string.
+  			// After the previous speedup, the character can't be an equality.
+  			return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
+  		}
+
+  		// Check to see if the problem can be split in two.
+  		hm = this.diffHalfMatch(text1, text2);
+  		if (hm) {
+
+  			// A half-match was found, sort out the return data.
+  			text1A = hm[0];
+  			text1B = hm[1];
+  			text2A = hm[2];
+  			text2B = hm[3];
+  			midCommon = hm[4];
+
+  			// Send both pairs off for separate processing.
+  			diffsA = this.DiffMain(text1A, text2A, checklines, deadline);
+  			diffsB = this.DiffMain(text1B, text2B, checklines, deadline);
+
+  			// Merge the results.
+  			return diffsA.concat([[DIFF_EQUAL, midCommon]], diffsB);
+  		}
+
+  		if (checklines && text1.length > 100 && text2.length > 100) {
+  			return this.diffLineMode(text1, text2, deadline);
+  		}
+
+  		return this.diffBisect(text1, text2, deadline);
+  	};
+
+  	/**
+    * Do the two texts share a substring which is at least half the length of the
+    * longer text?
+    * This speedup can produce non-minimal diffs.
+    * @param {string} text1 First string.
+    * @param {string} text2 Second string.
+    * @return {Array.<string>} Five element Array, containing the prefix of
+    *     text1, the suffix of text1, the prefix of text2, the suffix of
+    *     text2 and the common middle.  Or null if there was no match.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffHalfMatch = function (text1, text2) {
+  		var longtext, shorttext, dmp, text1A, text2B, text2A, text1B, midCommon, hm1, hm2, hm;
+
+  		longtext = text1.length > text2.length ? text1 : text2;
+  		shorttext = text1.length > text2.length ? text2 : text1;
+  		if (longtext.length < 4 || shorttext.length * 2 < longtext.length) {
+  			return null; // Pointless.
+  		}
+  		dmp = this; // 'this' becomes 'window' in a closure.
+
+  		/**
+     * Does a substring of shorttext exist within longtext such that the substring
+     * is at least half the length of longtext?
+     * Closure, but does not reference any external variables.
+     * @param {string} longtext Longer string.
+     * @param {string} shorttext Shorter string.
+     * @param {number} i Start index of quarter length substring within longtext.
+     * @return {Array.<string>} Five element Array, containing the prefix of
+     *     longtext, the suffix of longtext, the prefix of shorttext, the suffix
+     *     of shorttext and the common middle.  Or null if there was no match.
+     * @private
+     */
+  		function diffHalfMatchI(longtext, shorttext, i) {
+  			var seed, j, bestCommon, prefixLength, suffixLength, bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB;
+
+  			// Start with a 1/4 length substring at position i as a seed.
+  			seed = longtext.substring(i, i + Math.floor(longtext.length / 4));
+  			j = -1;
+  			bestCommon = "";
+  			while ((j = shorttext.indexOf(seed, j + 1)) !== -1) {
+  				prefixLength = dmp.diffCommonPrefix(longtext.substring(i), shorttext.substring(j));
+  				suffixLength = dmp.diffCommonSuffix(longtext.substring(0, i), shorttext.substring(0, j));
+  				if (bestCommon.length < suffixLength + prefixLength) {
+  					bestCommon = shorttext.substring(j - suffixLength, j) + shorttext.substring(j, j + prefixLength);
+  					bestLongtextA = longtext.substring(0, i - suffixLength);
+  					bestLongtextB = longtext.substring(i + prefixLength);
+  					bestShorttextA = shorttext.substring(0, j - suffixLength);
+  					bestShorttextB = shorttext.substring(j + prefixLength);
+  				}
+  			}
+  			if (bestCommon.length * 2 >= longtext.length) {
+  				return [bestLongtextA, bestLongtextB, bestShorttextA, bestShorttextB, bestCommon];
+  			} else {
+  				return null;
+  			}
+  		}
+
+  		// First check if the second quarter is the seed for a half-match.
+  		hm1 = diffHalfMatchI(longtext, shorttext, Math.ceil(longtext.length / 4));
+
+  		// Check again based on the third quarter.
+  		hm2 = diffHalfMatchI(longtext, shorttext, Math.ceil(longtext.length / 2));
+  		if (!hm1 && !hm2) {
+  			return null;
+  		} else if (!hm2) {
+  			hm = hm1;
+  		} else if (!hm1) {
+  			hm = hm2;
+  		} else {
+
+  			// Both matched.  Select the longest.
+  			hm = hm1[4].length > hm2[4].length ? hm1 : hm2;
+  		}
+
+  		// A half-match was found, sort out the return data.
+  		if (text1.length > text2.length) {
+  			text1A = hm[0];
+  			text1B = hm[1];
+  			text2A = hm[2];
+  			text2B = hm[3];
+  		} else {
+  			text2A = hm[0];
+  			text2B = hm[1];
+  			text1A = hm[2];
+  			text1B = hm[3];
+  		}
+  		midCommon = hm[4];
+  		return [text1A, text1B, text2A, text2B, midCommon];
+  	};
+
+  	/**
+    * Do a quick line-level diff on both strings, then rediff the parts for
+    * greater accuracy.
+    * This speedup can produce non-minimal diffs.
+    * @param {string} text1 Old string to be diffed.
+    * @param {string} text2 New string to be diffed.
+    * @param {number} deadline Time when the diff should be complete by.
+    * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffLineMode = function (text1, text2, deadline) {
+  		var a, diffs, linearray, pointer, countInsert, countDelete, textInsert, textDelete, j;
+
+  		// Scan the text on a line-by-line basis first.
+  		a = this.diffLinesToChars(text1, text2);
+  		text1 = a.chars1;
+  		text2 = a.chars2;
+  		linearray = a.lineArray;
+
+  		diffs = this.DiffMain(text1, text2, false, deadline);
+
+  		// Convert the diff back to original text.
+  		this.diffCharsToLines(diffs, linearray);
+
+  		// Eliminate freak matches (e.g. blank lines)
+  		this.diffCleanupSemantic(diffs);
+
+  		// Rediff any replacement blocks, this time character-by-character.
+  		// Add a dummy entry at the end.
+  		diffs.push([DIFF_EQUAL, ""]);
+  		pointer = 0;
+  		countDelete = 0;
+  		countInsert = 0;
+  		textDelete = "";
+  		textInsert = "";
+  		while (pointer < diffs.length) {
+  			switch (diffs[pointer][0]) {
+  				case DIFF_INSERT:
+  					countInsert++;
+  					textInsert += diffs[pointer][1];
+  					break;
+  				case DIFF_DELETE:
+  					countDelete++;
+  					textDelete += diffs[pointer][1];
+  					break;
+  				case DIFF_EQUAL:
+
+  					// Upon reaching an equality, check for prior redundancies.
+  					if (countDelete >= 1 && countInsert >= 1) {
+
+  						// Delete the offending records and add the merged ones.
+  						diffs.splice(pointer - countDelete - countInsert, countDelete + countInsert);
+  						pointer = pointer - countDelete - countInsert;
+  						a = this.DiffMain(textDelete, textInsert, false, deadline);
+  						for (j = a.length - 1; j >= 0; j--) {
+  							diffs.splice(pointer, 0, a[j]);
+  						}
+  						pointer = pointer + a.length;
+  					}
+  					countInsert = 0;
+  					countDelete = 0;
+  					textDelete = "";
+  					textInsert = "";
+  					break;
+  			}
+  			pointer++;
+  		}
+  		diffs.pop(); // Remove the dummy entry at the end.
+
+  		return diffs;
+  	};
+
+  	/**
+    * Find the 'middle snake' of a diff, split the problem in two
+    * and return the recursively constructed diff.
+    * See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.
+    * @param {string} text1 Old string to be diffed.
+    * @param {string} text2 New string to be diffed.
+    * @param {number} deadline Time at which to bail if not yet complete.
+    * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffBisect = function (text1, text2, deadline) {
+  		var text1Length, text2Length, maxD, vOffset, vLength, v1, v2, x, delta, front, k1start, k1end, k2start, k2end, k2Offset, k1Offset, x1, x2, y1, y2, d, k1, k2;
+
+  		// Cache the text lengths to prevent multiple calls.
+  		text1Length = text1.length;
+  		text2Length = text2.length;
+  		maxD = Math.ceil((text1Length + text2Length) / 2);
+  		vOffset = maxD;
+  		vLength = 2 * maxD;
+  		v1 = new Array(vLength);
+  		v2 = new Array(vLength);
+
+  		// Setting all elements to -1 is faster in Chrome & Firefox than mixing
+  		// integers and undefined.
+  		for (x = 0; x < vLength; x++) {
+  			v1[x] = -1;
+  			v2[x] = -1;
+  		}
+  		v1[vOffset + 1] = 0;
+  		v2[vOffset + 1] = 0;
+  		delta = text1Length - text2Length;
+
+  		// If the total number of characters is odd, then the front path will collide
+  		// with the reverse path.
+  		front = delta % 2 !== 0;
+
+  		// Offsets for start and end of k loop.
+  		// Prevents mapping of space beyond the grid.
+  		k1start = 0;
+  		k1end = 0;
+  		k2start = 0;
+  		k2end = 0;
+  		for (d = 0; d < maxD; d++) {
+
+  			// Bail out if deadline is reached.
+  			if (new Date().getTime() > deadline) {
+  				break;
+  			}
+
+  			// Walk the front path one step.
+  			for (k1 = -d + k1start; k1 <= d - k1end; k1 += 2) {
+  				k1Offset = vOffset + k1;
+  				if (k1 === -d || k1 !== d && v1[k1Offset - 1] < v1[k1Offset + 1]) {
+  					x1 = v1[k1Offset + 1];
+  				} else {
+  					x1 = v1[k1Offset - 1] + 1;
+  				}
+  				y1 = x1 - k1;
+  				while (x1 < text1Length && y1 < text2Length && text1.charAt(x1) === text2.charAt(y1)) {
+  					x1++;
+  					y1++;
+  				}
+  				v1[k1Offset] = x1;
+  				if (x1 > text1Length) {
+
+  					// Ran off the right of the graph.
+  					k1end += 2;
+  				} else if (y1 > text2Length) {
+
+  					// Ran off the bottom of the graph.
+  					k1start += 2;
+  				} else if (front) {
+  					k2Offset = vOffset + delta - k1;
+  					if (k2Offset >= 0 && k2Offset < vLength && v2[k2Offset] !== -1) {
+
+  						// Mirror x2 onto top-left coordinate system.
+  						x2 = text1Length - v2[k2Offset];
+  						if (x1 >= x2) {
+
+  							// Overlap detected.
+  							return this.diffBisectSplit(text1, text2, x1, y1, deadline);
+  						}
+  					}
+  				}
+  			}
+
+  			// Walk the reverse path one step.
+  			for (k2 = -d + k2start; k2 <= d - k2end; k2 += 2) {
+  				k2Offset = vOffset + k2;
+  				if (k2 === -d || k2 !== d && v2[k2Offset - 1] < v2[k2Offset + 1]) {
+  					x2 = v2[k2Offset + 1];
+  				} else {
+  					x2 = v2[k2Offset - 1] + 1;
+  				}
+  				y2 = x2 - k2;
+  				while (x2 < text1Length && y2 < text2Length && text1.charAt(text1Length - x2 - 1) === text2.charAt(text2Length - y2 - 1)) {
+  					x2++;
+  					y2++;
+  				}
+  				v2[k2Offset] = x2;
+  				if (x2 > text1Length) {
+
+  					// Ran off the left of the graph.
+  					k2end += 2;
+  				} else if (y2 > text2Length) {
+
+  					// Ran off the top of the graph.
+  					k2start += 2;
+  				} else if (!front) {
+  					k1Offset = vOffset + delta - k2;
+  					if (k1Offset >= 0 && k1Offset < vLength && v1[k1Offset] !== -1) {
+  						x1 = v1[k1Offset];
+  						y1 = vOffset + x1 - k1Offset;
+
+  						// Mirror x2 onto top-left coordinate system.
+  						x2 = text1Length - x2;
+  						if (x1 >= x2) {
+
+  							// Overlap detected.
+  							return this.diffBisectSplit(text1, text2, x1, y1, deadline);
+  						}
+  					}
+  				}
+  			}
+  		}
+
+  		// Diff took too long and hit the deadline or
+  		// number of diffs equals number of characters, no commonality at all.
+  		return [[DIFF_DELETE, text1], [DIFF_INSERT, text2]];
+  	};
+
+  	/**
+    * Given the location of the 'middle snake', split the diff in two parts
+    * and recurse.
+    * @param {string} text1 Old string to be diffed.
+    * @param {string} text2 New string to be diffed.
+    * @param {number} x Index of split point in text1.
+    * @param {number} y Index of split point in text2.
+    * @param {number} deadline Time at which to bail if not yet complete.
+    * @return {!Array.<!DiffMatchPatch.Diff>} Array of diff tuples.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffBisectSplit = function (text1, text2, x, y, deadline) {
+  		var text1a, text1b, text2a, text2b, diffs, diffsb;
+  		text1a = text1.substring(0, x);
+  		text2a = text2.substring(0, y);
+  		text1b = text1.substring(x);
+  		text2b = text2.substring(y);
+
+  		// Compute both diffs serially.
+  		diffs = this.DiffMain(text1a, text2a, false, deadline);
+  		diffsb = this.DiffMain(text1b, text2b, false, deadline);
+
+  		return diffs.concat(diffsb);
+  	};
+
+  	/**
+    * Reduce the number of edits by eliminating semantically trivial equalities.
+    * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+    */
+  	DiffMatchPatch.prototype.diffCleanupSemantic = function (diffs) {
+  		var changes, equalities, equalitiesLength, lastequality, pointer, lengthInsertions2, lengthDeletions2, lengthInsertions1, lengthDeletions1, deletion, insertion, overlapLength1, overlapLength2;
+  		changes = false;
+  		equalities = []; // Stack of indices where equalities are found.
+  		equalitiesLength = 0; // Keeping our own length var is faster in JS.
+  		/** @type {?string} */
+  		lastequality = null;
+
+  		// Always equal to diffs[equalities[equalitiesLength - 1]][1]
+  		pointer = 0; // Index of current position.
+
+  		// Number of characters that changed prior to the equality.
+  		lengthInsertions1 = 0;
+  		lengthDeletions1 = 0;
+
+  		// Number of characters that changed after the equality.
+  		lengthInsertions2 = 0;
+  		lengthDeletions2 = 0;
+  		while (pointer < diffs.length) {
+  			if (diffs[pointer][0] === DIFF_EQUAL) {
+  				// Equality found.
+  				equalities[equalitiesLength++] = pointer;
+  				lengthInsertions1 = lengthInsertions2;
+  				lengthDeletions1 = lengthDeletions2;
+  				lengthInsertions2 = 0;
+  				lengthDeletions2 = 0;
+  				lastequality = diffs[pointer][1];
+  			} else {
+  				// An insertion or deletion.
+  				if (diffs[pointer][0] === DIFF_INSERT) {
+  					lengthInsertions2 += diffs[pointer][1].length;
+  				} else {
+  					lengthDeletions2 += diffs[pointer][1].length;
+  				}
+
+  				// Eliminate an equality that is smaller or equal to the edits on both
+  				// sides of it.
+  				if (lastequality && lastequality.length <= Math.max(lengthInsertions1, lengthDeletions1) && lastequality.length <= Math.max(lengthInsertions2, lengthDeletions2)) {
+
+  					// Duplicate record.
+  					diffs.splice(equalities[equalitiesLength - 1], 0, [DIFF_DELETE, lastequality]);
+
+  					// Change second copy to insert.
+  					diffs[equalities[equalitiesLength - 1] + 1][0] = DIFF_INSERT;
+
+  					// Throw away the equality we just deleted.
+  					equalitiesLength--;
+
+  					// Throw away the previous equality (it needs to be reevaluated).
+  					equalitiesLength--;
+  					pointer = equalitiesLength > 0 ? equalities[equalitiesLength - 1] : -1;
+
+  					// Reset the counters.
+  					lengthInsertions1 = 0;
+  					lengthDeletions1 = 0;
+  					lengthInsertions2 = 0;
+  					lengthDeletions2 = 0;
+  					lastequality = null;
+  					changes = true;
+  				}
+  			}
+  			pointer++;
+  		}
+
+  		// Normalize the diff.
+  		if (changes) {
+  			this.diffCleanupMerge(diffs);
+  		}
+
+  		// Find any overlaps between deletions and insertions.
+  		// e.g: <del>abcxxx</del><ins>xxxdef</ins>
+  		//   -> <del>abc</del>xxx<ins>def</ins>
+  		// e.g: <del>xxxabc</del><ins>defxxx</ins>
+  		//   -> <ins>def</ins>xxx<del>abc</del>
+  		// Only extract an overlap if it is as big as the edit ahead or behind it.
+  		pointer = 1;
+  		while (pointer < diffs.length) {
+  			if (diffs[pointer - 1][0] === DIFF_DELETE && diffs[pointer][0] === DIFF_INSERT) {
+  				deletion = diffs[pointer - 1][1];
+  				insertion = diffs[pointer][1];
+  				overlapLength1 = this.diffCommonOverlap(deletion, insertion);
+  				overlapLength2 = this.diffCommonOverlap(insertion, deletion);
+  				if (overlapLength1 >= overlapLength2) {
+  					if (overlapLength1 >= deletion.length / 2 || overlapLength1 >= insertion.length / 2) {
+
+  						// Overlap found.  Insert an equality and trim the surrounding edits.
+  						diffs.splice(pointer, 0, [DIFF_EQUAL, insertion.substring(0, overlapLength1)]);
+  						diffs[pointer - 1][1] = deletion.substring(0, deletion.length - overlapLength1);
+  						diffs[pointer + 1][1] = insertion.substring(overlapLength1);
+  						pointer++;
+  					}
+  				} else {
+  					if (overlapLength2 >= deletion.length / 2 || overlapLength2 >= insertion.length / 2) {
+
+  						// Reverse overlap found.
+  						// Insert an equality and swap and trim the surrounding edits.
+  						diffs.splice(pointer, 0, [DIFF_EQUAL, deletion.substring(0, overlapLength2)]);
+
+  						diffs[pointer - 1][0] = DIFF_INSERT;
+  						diffs[pointer - 1][1] = insertion.substring(0, insertion.length - overlapLength2);
+  						diffs[pointer + 1][0] = DIFF_DELETE;
+  						diffs[pointer + 1][1] = deletion.substring(overlapLength2);
+  						pointer++;
+  					}
+  				}
+  				pointer++;
+  			}
+  			pointer++;
+  		}
+  	};
+
+  	/**
+    * Determine if the suffix of one string is the prefix of another.
+    * @param {string} text1 First string.
+    * @param {string} text2 Second string.
+    * @return {number} The number of characters common to the end of the first
+    *     string and the start of the second string.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffCommonOverlap = function (text1, text2) {
+  		var text1Length, text2Length, textLength, best, length, pattern, found;
+
+  		// Cache the text lengths to prevent multiple calls.
+  		text1Length = text1.length;
+  		text2Length = text2.length;
+
+  		// Eliminate the null case.
+  		if (text1Length === 0 || text2Length === 0) {
+  			return 0;
+  		}
+
+  		// Truncate the longer string.
+  		if (text1Length > text2Length) {
+  			text1 = text1.substring(text1Length - text2Length);
+  		} else if (text1Length < text2Length) {
+  			text2 = text2.substring(0, text1Length);
+  		}
+  		textLength = Math.min(text1Length, text2Length);
+
+  		// Quick check for the worst case.
+  		if (text1 === text2) {
+  			return textLength;
+  		}
+
+  		// Start by looking for a single character match
+  		// and increase length until no match is found.
+  		// Performance analysis: https://neil.fraser.name/news/2010/11/04/
+  		best = 0;
+  		length = 1;
+  		while (true) {
+  			pattern = text1.substring(textLength - length);
+  			found = text2.indexOf(pattern);
+  			if (found === -1) {
+  				return best;
+  			}
+  			length += found;
+  			if (found === 0 || text1.substring(textLength - length) === text2.substring(0, length)) {
+  				best = length;
+  				length++;
+  			}
+  		}
+  	};
+
+  	/**
+    * Split two texts into an array of strings.  Reduce the texts to a string of
+    * hashes where each Unicode character represents one line.
+    * @param {string} text1 First string.
+    * @param {string} text2 Second string.
+    * @return {{chars1: string, chars2: string, lineArray: !Array.<string>}}
+    *     An object containing the encoded text1, the encoded text2 and
+    *     the array of unique strings.
+    *     The zeroth element of the array of unique strings is intentionally blank.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffLinesToChars = function (text1, text2) {
+  		var lineArray, lineHash, chars1, chars2;
+  		lineArray = []; // E.g. lineArray[4] === 'Hello\n'
+  		lineHash = {}; // E.g. lineHash['Hello\n'] === 4
+
+  		// '\x00' is a valid character, but various debuggers don't like it.
+  		// So we'll insert a junk entry to avoid generating a null character.
+  		lineArray[0] = "";
+
+  		/**
+     * Split a text into an array of strings.  Reduce the texts to a string of
+     * hashes where each Unicode character represents one line.
+     * Modifies linearray and linehash through being a closure.
+     * @param {string} text String to encode.
+     * @return {string} Encoded string.
+     * @private
+     */
+  		function diffLinesToCharsMunge(text) {
+  			var chars, lineStart, lineEnd, lineArrayLength, line;
+  			chars = "";
+
+  			// Walk the text, pulling out a substring for each line.
+  			// text.split('\n') would would temporarily double our memory footprint.
+  			// Modifying text would create many large strings to garbage collect.
+  			lineStart = 0;
+  			lineEnd = -1;
+
+  			// Keeping our own length variable is faster than looking it up.
+  			lineArrayLength = lineArray.length;
+  			while (lineEnd < text.length - 1) {
+  				lineEnd = text.indexOf("\n", lineStart);
+  				if (lineEnd === -1) {
+  					lineEnd = text.length - 1;
+  				}
+  				line = text.substring(lineStart, lineEnd + 1);
+  				lineStart = lineEnd + 1;
+
+  				if (lineHash.hasOwnProperty ? lineHash.hasOwnProperty(line) : lineHash[line] !== undefined) {
+  					chars += String.fromCharCode(lineHash[line]);
+  				} else {
+  					chars += String.fromCharCode(lineArrayLength);
+  					lineHash[line] = lineArrayLength;
+  					lineArray[lineArrayLength++] = line;
+  				}
+  			}
+  			return chars;
+  		}
+
+  		chars1 = diffLinesToCharsMunge(text1);
+  		chars2 = diffLinesToCharsMunge(text2);
+  		return {
+  			chars1: chars1,
+  			chars2: chars2,
+  			lineArray: lineArray
+  		};
+  	};
+
+  	/**
+    * Rehydrate the text in a diff from a string of line hashes to real lines of
+    * text.
+    * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+    * @param {!Array.<string>} lineArray Array of unique strings.
+    * @private
+    */
+  	DiffMatchPatch.prototype.diffCharsToLines = function (diffs, lineArray) {
+  		var x, chars, text, y;
+  		for (x = 0; x < diffs.length; x++) {
+  			chars = diffs[x][1];
+  			text = [];
+  			for (y = 0; y < chars.length; y++) {
+  				text[y] = lineArray[chars.charCodeAt(y)];
+  			}
+  			diffs[x][1] = text.join("");
+  		}
+  	};
+
+  	/**
+    * Reorder and merge like edit sections.  Merge equalities.
+    * Any edit section can move as long as it doesn't cross an equality.
+    * @param {!Array.<!DiffMatchPatch.Diff>} diffs Array of diff tuples.
+    */
+  	DiffMatchPatch.prototype.diffCleanupMerge = function (diffs) {
+  		var pointer, countDelete, countInsert, textInsert, textDelete, commonlength, changes, diffPointer, position;
+  		diffs.push([DIFF_EQUAL, ""]); // Add a dummy entry at the end.
+  		pointer = 0;
+  		countDelete = 0;
+  		countInsert = 0;
+  		textDelete = "";
+  		textInsert = "";
+
+  		while (pointer < diffs.length) {
+  			switch (diffs[pointer][0]) {
+  				case DIFF_INSERT:
+  					countInsert++;
+  					textInsert += diffs[pointer][1];
+  					pointer++;
+  					break;
+  				case DIFF_DELETE:
+  					countDelete++;
+  					textDelete += diffs[pointer][1];
+  					pointer++;
+  					break;
+  				case DIFF_EQUAL:
+
+  					// Upon reaching an equality, check for prior redundancies.
+  					if (countDelete + countInsert > 1) {
+  						if (countDelete !== 0 && countInsert !== 0) {
+
+  							// Factor out any common prefixes.
+  							commonlength = this.diffCommonPrefix(textInsert, textDelete);
+  							if (commonlength !== 0) {
+  								if (pointer - countDelete - countInsert > 0 && diffs[pointer - countDelete - countInsert - 1][0] === DIFF_EQUAL) {
+  									diffs[pointer - countDelete - countInsert - 1][1] += textInsert.substring(0, commonlength);
+  								} else {
+  									diffs.splice(0, 0, [DIFF_EQUAL, textInsert.substring(0, commonlength)]);
+  									pointer++;
+  								}
+  								textInsert = textInsert.substring(commonlength);
+  								textDelete = textDelete.substring(commonlength);
+  							}
+
+  							// Factor out any common suffixies.
+  							commonlength = this.diffCommonSuffix(textInsert, textDelete);
+  							if (commonlength !== 0) {
+  								diffs[pointer][1] = textInsert.substring(textInsert.length - commonlength) + diffs[pointer][1];
+  								textInsert = textInsert.substring(0, textInsert.length - commonlength);
+  								textDelete = textDelete.substring(0, textDelete.length - commonlength);
+  							}
+  						}
+
+  						// Delete the offending records and add the merged ones.
+  						if (countDelete === 0) {
+  							diffs.splice(pointer - countInsert, countDelete + countInsert, [DIFF_INSERT, textInsert]);
+  						} else if (countInsert === 0) {
+  							diffs.splice(pointer - countDelete, countDelete + countInsert, [DIFF_DELETE, textDelete]);
+  						} else {
+  							diffs.splice(pointer - countDelete - countInsert, countDelete + countInsert, [DIFF_DELETE, textDelete], [DIFF_INSERT, textInsert]);
+  						}
+  						pointer = pointer - countDelete - countInsert + (countDelete ? 1 : 0) + (countInsert ? 1 : 0) + 1;
+  					} else if (pointer !== 0 && diffs[pointer - 1][0] === DIFF_EQUAL) {
+
+  						// Merge this equality with the previous one.
+  						diffs[pointer - 1][1] += diffs[pointer][1];
+  						diffs.splice(pointer, 1);
+  					} else {
+  						pointer++;
+  					}
+  					countInsert = 0;
+  					countDelete = 0;
+  					textDelete = "";
+  					textInsert = "";
+  					break;
+  			}
+  		}
+  		if (diffs[diffs.length - 1][1] === "") {
+  			diffs.pop(); // Remove the dummy entry at the end.
+  		}
+
+  		// Second pass: look for single edits surrounded on both sides by equalities
+  		// which can be shifted sideways to eliminate an equality.
+  		// e.g: A<ins>BA</ins>C -> <ins>AB</ins>AC
+  		changes = false;
+  		pointer = 1;
+
+  		// Intentionally ignore the first and last element (don't need checking).
+  		while (pointer < diffs.length - 1) {
+  			if (diffs[pointer - 1][0] === DIFF_EQUAL && diffs[pointer + 1][0] === DIFF_EQUAL) {
+
+  				diffPointer = diffs[pointer][1];
+  				position = diffPointer.substring(diffPointer.length - diffs[pointer - 1][1].length);
+
+  				// This is a single edit surrounded by equalities.
+  				if (position === diffs[pointer - 1][1]) {
+
+  					// Shift the edit over the previous equality.
+  					diffs[pointer][1] = diffs[pointer - 1][1] + diffs[pointer][1].substring(0, diffs[pointer][1].length - diffs[pointer - 1][1].length);
+  					diffs[pointer + 1][1] = diffs[pointer - 1][1] + diffs[pointer + 1][1];
+  					diffs.splice(pointer - 1, 1);
+  					changes = true;
+  				} else if (diffPointer.substring(0, diffs[pointer + 1][1].length) === diffs[pointer + 1][1]) {
+
+  					// Shift the edit over the next equality.
+  					diffs[pointer - 1][1] += diffs[pointer + 1][1];
+  					diffs[pointer][1] = diffs[pointer][1].substring(diffs[pointer + 1][1].length) + diffs[pointer + 1][1];
+  					diffs.splice(pointer + 1, 1);
+  					changes = true;
+  				}
+  			}
+  			pointer++;
+  		}
+
+  		// If shifts were made, the diff needs reordering and another shift sweep.
+  		if (changes) {
+  			this.diffCleanupMerge(diffs);
+  		}
+  	};
+
+  	return function (o, n) {
+  		var diff, output, text;
+  		diff = new DiffMatchPatch();
+  		output = diff.DiffMain(o, n);
+  		diff.diffCleanupEfficiency(output);
+  		text = diff.diffPrettyHtml(output);
+
+  		return text;
+  	};
+  }();
+
+}((function() { return this; }())));
diff --git a/js/tests/vendor/tether.min.js b/js/tests/vendor/tether.min.js
deleted file mode 100644
index a49f2a7e2..000000000
--- a/js/tests/vendor/tether.min.js
+++ /dev/null
@@ -1 +0,0 @@
-!function(t,e){"function"==typeof define&&define.amd?define(e):"object"==typeof exports?module.exports=e(require,exports,module):t.Tether=e()}(this,function(t,e,o){"use strict";function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function i(t){var e=t.getBoundingClientRect(),o={};for(var n in e)o[n]=e[n];if(t.ownerDocument!==document){var r=t.ownerDocument.defaultView.frameElement;if(r){var s=i(r);o.top+=s.top,o.bottom+=s.top,o.left+=s.left,o.right+=s.left}}return o}function r(t){var e=getComputedStyle(t)||{},o=e.position,n=[];if("fixed"===o)return[t];for(var i=t;(i=i.parentNode)&&i&&1===i.nodeType;){var r=void 0;try{r=getComputedStyle(i)}catch(s){}if("undefined"==typeof r||null===r)return n.push(i),n;var a=r,f=a.overflow,l=a.overflowX,h=a.overflowY;/(auto|scroll)/.test(f+h+l)&&("absolute"!==o||["relative","absolute","fixed"].indexOf(r.position)>=0)&&n.push(i)}return n.push(t.ownerDocument.body),t.ownerDocument!==document&&n.push(t.ownerDocument.defaultView),n}function s(){A&&document.body.removeChild(A),A=null}function a(t){var e=void 0;t===document?(e=document,t=document.documentElement):e=t.ownerDocument;var o=e.documentElement,n=i(t),r=P();return n.top-=r.top,n.left-=r.left,"undefined"==typeof n.width&&(n.width=document.body.scrollWidth-n.left-n.right),"undefined"==typeof n.height&&(n.height=document.body.scrollHeight-n.top-n.bottom),n.top=n.top-o.clientTop,n.left=n.left-o.clientLeft,n.right=e.body.clientWidth-n.width-n.left,n.bottom=e.body.clientHeight-n.height-n.top,n}function f(t){return t.offsetParent||document.documentElement}function l(){if(M)return M;var t=document.createElement("div");t.style.width="100%",t.style.height="200px";var e=document.createElement("div");h(e.style,{position:"absolute",top:0,left:0,pointerEvents:"none",visibility:"hidden",width:"200px",height:"150px",overflow:"hidden"}),e.appendChild(t),document.body.appendChild(e);var o=t.offsetWidth;e.style.overflow="scroll";var n=t.offsetWidth;o===n&&(n=e.clientWidth),document.body.removeChild(e);var i=o-n;return M={width:i,height:i}}function h(){var t=arguments.length<=0||void 0===arguments[0]?{}:arguments[0],e=[];return Array.prototype.push.apply(e,arguments),e.slice(1).forEach(function(e){if(e)for(var o in e)({}).hasOwnProperty.call(e,o)&&(t[o]=e[o])}),t}function d(t,e){if("undefined"!=typeof t.classList)e.split(" ").forEach(function(e){e.trim()&&t.classList.remove(e)});else{var o=new RegExp("(^| )"+e.split(" ").join("|")+"( |$)","gi"),n=c(t).replace(o," ");g(t,n)}}function u(t,e){if("undefined"!=typeof t.classList)e.split(" ").forEach(function(e){e.trim()&&t.classList.add(e)});else{d(t,e);var o=c(t)+(" "+e);g(t,o)}}function p(t,e){if("undefined"!=typeof t.classList)return t.classList.contains(e);var o=c(t);return new RegExp("(^| )"+e+"( |$)","gi").test(o)}function c(t){return t.className instanceof t.ownerDocument.defaultView.SVGAnimatedString?t.className.baseVal:t.className}function g(t,e){t.setAttribute("class",e)}function m(t,e,o){o.forEach(function(o){-1===e.indexOf(o)&&p(t,o)&&d(t,o)}),e.forEach(function(e){p(t,e)||u(t,e)})}function n(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function v(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)}function y(t,e){var o=arguments.length<=2||void 0===arguments[2]?1:arguments[2];return t+o>=e&&e>=t-o}function b(){return"undefined"!=typeof performance&&"undefined"!=typeof performance.now?performance.now():+new Date}function w(){for(var t={top:0,left:0},e=arguments.length,o=Array(e),n=0;e>n;n++)o[n]=arguments[n];return o.forEach(function(e){var o=e.top,n=e.left;"string"==typeof o&&(o=parseFloat(o,10)),"string"==typeof n&&(n=parseFloat(n,10)),t.top+=o,t.left+=n}),t}function C(t,e){return"string"==typeof t.left&&-1!==t.left.indexOf("%")&&(t.left=parseFloat(t.left,10)/100*e.width),"string"==typeof t.top&&-1!==t.top.indexOf("%")&&(t.top=parseFloat(t.top,10)/100*e.height),t}function O(t,e){return"scrollParent"===e?e=t.scrollParents[0]:"window"===e&&(e=[pageXOffset,pageYOffset,innerWidth+pageXOffset,innerHeight+pageYOffset]),e===document&&(e=e.documentElement),"undefined"!=typeof e.nodeType&&!function(){var t=e,o=a(e),n=o,i=getComputedStyle(e);if(e=[n.left,n.top,o.width+n.left,o.height+n.top],t.ownerDocument!==document){var r=t.ownerDocument.defaultView;e[0]+=r.pageXOffset,e[1]+=r.pageYOffset,e[2]+=r.pageXOffset,e[3]+=r.pageYOffset}G.forEach(function(t,o){t=t[0].toUpperCase()+t.substr(1),"Top"===t||"Left"===t?e[o]+=parseFloat(i["border"+t+"Width"]):e[o]-=parseFloat(i["border"+t+"Width"])})}(),e}var E=function(){function t(t,e){for(var o=0;o<e.length;o++){var n=e[o];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,o,n){return o&&t(e.prototype,o),n&&t(e,n),e}}(),x=void 0;"undefined"==typeof x&&(x={modules:[]});var A=null,T=function(){var t=0;return function(){return++t}}(),S={},P=function(){var t=A;t||(t=document.createElement("div"),t.setAttribute("data-tether-id",T()),h(t.style,{top:0,left:0,position:"absolute"}),document.body.appendChild(t),A=t);var e=t.getAttribute("data-tether-id");return"undefined"==typeof S[e]&&(S[e]=i(t),k(function(){delete S[e]})),S[e]},M=null,W=[],k=function(t){W.push(t)},_=function(){for(var t=void 0;t=W.pop();)t()},B=function(){function t(){n(this,t)}return E(t,[{key:"on",value:function(t,e,o){var n=arguments.length<=3||void 0===arguments[3]?!1:arguments[3];"undefined"==typeof this.bindings&&(this.bindings={}),"undefined"==typeof this.bindings[t]&&(this.bindings[t]=[]),this.bindings[t].push({handler:e,ctx:o,once:n})}},{key:"once",value:function(t,e,o){this.on(t,e,o,!0)}},{key:"off",value:function(t,e){if("undefined"!=typeof this.bindings&&"undefined"!=typeof this.bindings[t])if("undefined"==typeof e)delete this.bindings[t];else for(var o=0;o<this.bindings[t].length;)this.bindings[t][o].handler===e?this.bindings[t].splice(o,1):++o}},{key:"trigger",value:function(t){if("undefined"!=typeof this.bindings&&this.bindings[t]){for(var e=0,o=arguments.length,n=Array(o>1?o-1:0),i=1;o>i;i++)n[i-1]=arguments[i];for(;e<this.bindings[t].length;){var r=this.bindings[t][e],s=r.handler,a=r.ctx,f=r.once,l=a;"undefined"==typeof l&&(l=this),s.apply(l,n),f?this.bindings[t].splice(e,1):++e}}}}]),t}();x.Utils={getActualBoundingClientRect:i,getScrollParents:r,getBounds:a,getOffsetParent:f,extend:h,addClass:u,removeClass:d,hasClass:p,updateClasses:m,defer:k,flush:_,uniqueId:T,Evented:B,getScrollBarSize:l,removeUtilElements:s};var z=function(){function t(t,e){var o=[],n=!0,i=!1,r=void 0;try{for(var s,a=t[Symbol.iterator]();!(n=(s=a.next()).done)&&(o.push(s.value),!e||o.length!==e);n=!0);}catch(f){i=!0,r=f}finally{try{!n&&a["return"]&&a["return"]()}finally{if(i)throw r}}return o}return function(e,o){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,o);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),E=function(){function t(t,e){for(var o=0;o<e.length;o++){var n=e[o];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(t,n.key,n)}}return function(e,o,n){return o&&t(e.prototype,o),n&&t(e,n),e}}(),j=function(t,e,o){for(var n=!0;n;){var i=t,r=e,s=o;n=!1,null===i&&(i=Function.prototype);var a=Object.getOwnPropertyDescriptor(i,r);if(void 0!==a){if("value"in a)return a.value;var f=a.get;if(void 0===f)return;return f.call(s)}var l=Object.getPrototypeOf(i);if(null===l)return;t=l,e=r,o=s,n=!0,a=l=void 0}};if("undefined"==typeof x)throw new Error("You must include the utils.js file before tether.js");var Y=x.Utils,r=Y.getScrollParents,a=Y.getBounds,f=Y.getOffsetParent,h=Y.extend,u=Y.addClass,d=Y.removeClass,m=Y.updateClasses,k=Y.defer,_=Y.flush,l=Y.getScrollBarSize,s=Y.removeUtilElements,L=function(){if("undefined"==typeof document)return"";for(var t=document.createElement("div"),e=["transform","WebkitTransform","OTransform","MozTransform","msTransform"],o=0;o<e.length;++o){var n=e[o];if(void 0!==t.style[n])return n}}(),D=[],X=function(){D.forEach(function(t){t.position(!1)}),_()};!function(){var t=null,e=null,o=null,n=function i(){return"undefined"!=typeof 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i=this.options,s=i.element,a=i.target,f=i.targetModifier;if(this.element=s,this.target=a,this.targetModifier=f,"viewport"===this.target?(this.target=document.body,this.targetModifier="visible"):"scroll-handle"===this.target&&(this.target=document.body,this.targetModifier="scroll-handle"),["element","target"].forEach(function(t){if("undefined"==typeof e[t])throw new Error("Tether Error: Both element and target must be defined");"undefined"!=typeof e[t].jquery?e[t]=e[t][0]:"string"==typeof e[t]&&(e[t]=document.querySelector(e[t]))}),u(this.element,this.getClass("element")),this.options.addTargetClasses!==!1&&u(this.target,this.getClass("target")),!this.options.attachment)throw new Error("Tether Error: You must provide an attachment");this.targetAttachment=q(this.options.targetAttachment),this.attachment=q(this.options.attachment),this.offset=R(this.options.offset),this.targetOffset=R(this.options.targetOffset),"undefined"!=typeof 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e.height=Math.min(e.height,t.height-(pageYOffset-t.top)),e.height=Math.min(e.height,t.height-(t.top+t.height-(pageYOffset+innerHeight))),e.height=Math.min(innerHeight,e.height),e.height-=2,e.width=Math.min(e.width,t.width-(pageXOffset-t.left)),e.width=Math.min(e.width,t.width-(t.left+t.width-(pageXOffset+innerWidth))),e.width=Math.min(innerWidth,e.width),e.width-=2,e.top<pageYOffset&&(e.top=pageYOffset),e.left<pageXOffset&&(e.left=pageXOffset),e}if("scroll-handle"===this.targetModifier){var t=void 0,o=this.target;o===document.body?(o=document.documentElement,t={left:pageXOffset,top:pageYOffset,height:innerHeight,width:innerWidth}):t=a(o);var n=getComputedStyle(o),i=o.scrollWidth>o.clientWidth||[n.overflow,n.overflowX].indexOf("scroll")>=0||this.target!==document.body,r=0;i&&(r=15);var 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this._addAttachClasses&&this._addAttachClasses.length&&this._addAttachClasses.splice(0,this._addAttachClasses.length),"undefined"==typeof this._addAttachClasses&&(this._addAttachClasses=[]);var i=this._addAttachClasses;t.top&&i.push(this.getClass("element-attached")+"-"+t.top),t.left&&i.push(this.getClass("element-attached")+"-"+t.left),e.top&&i.push(this.getClass("target-attached")+"-"+e.top),e.left&&i.push(this.getClass("target-attached")+"-"+e.left);var r=[];n.forEach(function(t){r.push(o.getClass("element-attached")+"-"+t),r.push(o.getClass("target-attached")+"-"+t)}),k(function(){"undefined"!=typeof o._addAttachClasses&&(m(o.element,o._addAttachClasses,r),o.options.addTargetClasses!==!1&&m(o.target,o._addAttachClasses,r),delete o._addAttachClasses)})}},{key:"position",value:function(){var t=this,e=arguments.length<=0||void 0===arguments[0]?!0:arguments[0];if(this.enabled){this.clearCache();var o=U(this.targetAttachment,this.attachment);this.updateAttachClasses(this.attachment,o);var n=this.cache("element-bounds",function(){return a(t.element)}),i=n.width,r=n.height;if(0===i&&0===r&&"undefined"!=typeof this.lastSize){var s=this.lastSize;i=s.width,r=s.height}else this.lastSize={width:i,height:r};var h=this.cache("target-bounds",function(){return t.getTargetBounds()}),d=h,u=C(V(this.attachment),{width:i,height:r}),p=C(V(o),d),c=C(this.offset,{width:i,height:r}),g=C(this.targetOffset,d);u=w(u,c),p=w(p,g);for(var m=h.left+p.left-u.left,v=h.top+p.top-u.top,y=0;y<x.modules.length;++y){var b=x.modules[y],O=b.position.call(this,{left:m,top:v,targetAttachment:o,targetPos:h,elementPos:n,offset:u,targetOffset:p,manualOffset:c,manualTargetOffset:g,scrollbarSize:S,attachment:this.attachment});if(O===!1)return!1;"undefined"!=typeof O&&"object"==typeof O&&(v=O.top,m=O.left)}var E={page:{top:v,left:m},viewport:{top:v-pageYOffset,bottom:pageYOffset-v-r+innerHeight,left:m-pageXOffset,right:pageXOffset-m-i+innerWidth}},A=this.target.ownerDocument,T=A.defaultView,S=void 0;return T.innerHeight>A.documentElement.clientHeight&&(S=this.cache("scrollbar-size",l),E.viewport.bottom-=S.height),T.innerWidth>A.documentElement.clientWidth&&(S=this.cache("scrollbar-size",l),E.viewport.right-=S.width),(-1===["","static"].indexOf(A.body.style.position)||-1===["","static"].indexOf(A.body.parentElement.style.position))&&(E.page.bottom=A.body.scrollHeight-v-r,E.page.right=A.body.scrollWidth-m-i),"undefined"!=typeof this.options.optimizations&&this.options.optimizations.moveElement!==!1&&"undefined"==typeof this.targetModifier&&!function(){var e=t.cache("target-offsetparent",function(){return f(t.target)}),o=t.cache("target-offsetparent-bounds",function(){return a(e)}),n=getComputedStyle(e),i=o,r={};if(["Top","Left","Bottom","Right"].forEach(function(t){r[t.toLowerCase()]=parseFloat(n["border"+t+"Width"])}),o.right=A.body.scrollWidth-o.left-i.width+r.right,o.bottom=A.body.scrollHeight-o.top-i.height+r.bottom,E.page.top>=o.top+r.top&&E.page.bottom>=o.bottom&&E.page.left>=o.left+r.left&&E.page.right>=o.right){var s=e.scrollTop,l=e.scrollLeft;E.offset={top:E.page.top-o.top+s-r.top,left:E.page.left-o.left+l-r.left}}}(),this.move(E),this.history.unshift(E),this.history.length>3&&this.history.pop(),e&&_(),!0}}},{key:"move",value:function(t){var e=this;if("undefined"!=typeof this.element.parentNode){var o={};for(var n in t){o[n]={};for(var i in t[n]){for(var r=!1,s=0;s<this.history.length;++s){var a=this.history[s];if("undefined"!=typeof a[n]&&!y(a[n][i],t[n][i])){r=!0;break}}r||(o[n][i]=!0)}}var l={top:"",left:"",right:"",bottom:""},d=function(t,o){var n="undefined"!=typeof e.options.optimizations,i=n?e.options.optimizations.gpu:null;if(i!==!1){var r=void 0,s=void 0;if(t.top?(l.top=0,r=o.top):(l.bottom=0,r=-o.bottom),t.left?(l.left=0,s=o.left):(l.right=0,s=-o.right),window.matchMedia){var a=window.matchMedia("only screen and (min-resolution: 1.3dppx)").matches||window.matchMedia("only screen and (-webkit-min-device-pixel-ratio: 1.3)").matches;a||(s=Math.round(s),r=Math.round(r))}l[L]="translateX("+s+"px) translateY("+r+"px)","msTransform"!==L&&(l[L]+=" translateZ(0)")}else t.top?l.top=o.top+"px":l.bottom=o.bottom+"px",t.left?l.left=o.left+"px":l.right=o.right+"px"},u=!1;if((o.page.top||o.page.bottom)&&(o.page.left||o.page.right)?(l.position="absolute",d(o.page,t.page)):(o.viewport.top||o.viewport.bottom)&&(o.viewport.left||o.viewport.right)?(l.position="fixed",d(o.viewport,t.viewport)):"undefined"!=typeof o.offset&&o.offset.top&&o.offset.left?!function(){l.position="absolute";var n=e.cache("target-offsetparent",function(){return f(e.target)});f(e.element)!==n&&k(function(){e.element.parentNode.removeChild(e.element),n.appendChild(e.element)}),d(o.offset,t.offset),u=!0}():(l.position="absolute",d({top:!0,left:!0},t.page)),!u){for(var p=!0,c=this.element.parentNode;c&&1===c.nodeType&&"BODY"!==c.tagName;){if("static"!==getComputedStyle(c).position){p=!1;break}c=c.parentNode}p||(this.element.parentNode.removeChild(this.element),this.element.ownerDocument.body.appendChild(this.element))}var g={},m=!1;for(var i in l){var v=l[i],b=this.element.style[i];b!==v&&(m=!0,g[i]=v)}m&&k(function(){h(e.element.style,g),e.trigger("repositioned")})}}}]),e}(B);I.modules=[],x.position=X;var $=h(I,x),z=function(){function t(t,e){var o=[],n=!0,i=!1,r=void 0;try{for(var s,a=t[Symbol.iterator]();!(n=(s=a.next()).done)&&(o.push(s.value),!e||o.length!==e);n=!0);}catch(f){i=!0,r=f}finally{try{!n&&a["return"]&&a["return"]()}finally{if(i)throw r}}return o}return function(e,o){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,o);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}(),Y=x.Utils,a=Y.getBounds,h=Y.extend,m=Y.updateClasses,k=Y.defer,G=["left","top","right","bottom"];x.modules.push({position:function(t){var e=this,o=t.top,n=t.left,i=t.targetAttachment;if(!this.options.constraints)return!0;var r=this.cache("element-bounds",function(){return a(e.element)}),s=r.height,f=r.width;if(0===f&&0===s&&"undefined"!=typeof this.lastSize){var l=this.lastSize;f=l.width,s=l.height}var d=this.cache("target-bounds",function(){return e.getTargetBounds()}),u=d.height,p=d.width,c=[this.getClass("pinned"),this.getClass("out-of-bounds")];this.options.constraints.forEach(function(t){var e=t.outOfBoundsClass,o=t.pinnedClass;e&&c.push(e),o&&c.push(o)}),c.forEach(function(t){["left","top","right","bottom"].forEach(function(e){c.push(t+"-"+e)})});var g=[],v=h({},i),y=h({},this.attachment);return this.options.constraints.forEach(function(t){var r=t.to,a=t.attachment,l=t.pin;"undefined"==typeof a&&(a="");var h=void 0,d=void 0;if(a.indexOf(" ")>=0){var c=a.split(" "),m=z(c,2);d=m[0],h=m[1]}else h=d=a;var b=O(e,r);("target"===d||"both"===d)&&(o<b[1]&&"top"===v.top&&(o+=u,v.top="bottom"),o+s>b[3]&&"bottom"===v.top&&(o-=u,v.top="top")),"together"===d&&("top"===v.top&&("bottom"===y.top&&o<b[1]?(o+=u,v.top="bottom",o+=s,y.top="top"):"top"===y.top&&o+s>b[3]&&o-(s-u)>=b[1]&&(o-=s-u,v.top="bottom",y.top="bottom")),"bottom"===v.top&&("top"===y.top&&o+s>b[3]?(o-=u,v.top="top",o-=s,y.top="bottom"):"bottom"===y.top&&o<b[1]&&o+(2*s-u)<=b[3]&&(o+=s-u,v.top="top",y.top="top")),"middle"===v.top&&(o+s>b[3]&&"top"===y.top?(o-=s,y.top="bottom"):o<b[1]&&"bottom"===y.top&&(o+=s,y.top="top"))),("target"===h||"both"===h)&&(n<b[0]&&"left"===v.left&&(n+=p,v.left="right"),n+f>b[2]&&"right"===v.left&&(n-=p,v.left="left")),"together"===h&&(n<b[0]&&"left"===v.left?"right"===y.left?(n+=p,v.left="right",n+=f,y.left="left"):"left"===y.left&&(n+=p,v.left="right",n-=f,y.left="right"):n+f>b[2]&&"right"===v.left?"left"===y.left?(n-=p,v.left="left",n-=f,y.left="right"):"right"===y.left&&(n-=p,v.left="left",n+=f,y.left="left"):"center"===v.left&&(n+f>b[2]&&"left"===y.left?(n-=f,y.left="right"):n<b[0]&&"right"===y.left&&(n+=f,y.left="left"))),("element"===d||"both"===d)&&(o<b[1]&&"bottom"===y.top&&(o+=s,y.top="top"),o+s>b[3]&&"top"===y.top&&(o-=s,y.top="bottom")),("element"===h||"both"===h)&&(n<b[0]&&("right"===y.left?(n+=f,y.left="left"):"center"===y.left&&(n+=f/2,y.left="left")),n+f>b[2]&&("left"===y.left?(n-=f,y.left="right"):"center"===y.left&&(n-=f/2,y.left="right"))),"string"==typeof l?l=l.split(",").map(function(t){return t.trim()}):l===!0&&(l=["top","left","right","bottom"]),l=l||[];var w=[],C=[];o<b[1]&&(l.indexOf("top")>=0?(o=b[1],w.push("top")):C.push("top")),o+s>b[3]&&(l.indexOf("bottom")>=0?(o=b[3]-s,w.push("bottom")):C.push("bottom")),n<b[0]&&(l.indexOf("left")>=0?(n=b[0],w.push("left")):C.push("left")),n+f>b[2]&&(l.indexOf("right")>=0?(n=b[2]-f,w.push("right")):C.push("right")),w.length&&!function(){var t=void 0;t="undefined"!=typeof e.options.pinnedClass?e.options.pinnedClass:e.getClass("pinned"),g.push(t),w.forEach(function(e){g.push(t+"-"+e)})}(),C.length&&!function(){var t=void 0;t="undefined"!=typeof e.options.outOfBoundsClass?e.options.outOfBoundsClass:e.getClass("out-of-bounds"),g.push(t),C.forEach(function(e){g.push(t+"-"+e)})}(),(w.indexOf("left")>=0||w.indexOf("right")>=0)&&(y.left=v.left=!1),(w.indexOf("top")>=0||w.indexOf("bottom")>=0)&&(y.top=v.top=!1),(v.top!==i.top||v.left!==i.left||y.top!==e.attachment.top||y.left!==e.attachment.left)&&(e.updateAttachClasses(y,v),e.trigger("update",{attachment:y,targetAttachment:v}))}),k(function(){e.options.addTargetClasses!==!1&&m(e.target,g,c),m(e.element,g,c)}),{top:o,left:n}}});var Y=x.Utils,a=Y.getBounds,m=Y.updateClasses,k=Y.defer;x.modules.push({position:function(t){var e=this,o=t.top,n=t.left,i=this.cache("element-bounds",function(){return a(e.element)}),r=i.height,s=i.width,f=this.getTargetBounds(),l=o+r,h=n+s,d=[];o<=f.bottom&&l>=f.top&&["left","right"].forEach(function(t){var e=f[t];(e===n||e===h)&&d.push(t)}),n<=f.right&&h>=f.left&&["top","bottom"].forEach(function(t){var e=f[t];(e===o||e===l)&&d.push(t)});var u=[],p=[],c=["left","top","right","bottom"];return u.push(this.getClass("abutted")),c.forEach(function(t){u.push(e.getClass("abutted")+"-"+t)}),d.length&&p.push(this.getClass("abutted")),d.forEach(function(t){p.push(e.getClass("abutted")+"-"+t)}),k(function(){e.options.addTargetClasses!==!1&&m(e.target,p,u),m(e.element,p,u)}),!0}});var z=function(){function t(t,e){var o=[],n=!0,i=!1,r=void 0;try{for(var s,a=t[Symbol.iterator]();!(n=(s=a.next()).done)&&(o.push(s.value),!e||o.length!==e);n=!0);}catch(f){i=!0,r=f}finally{try{!n&&a["return"]&&a["return"]()}finally{if(i)throw r}}return o}return function(e,o){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return t(e,o);throw new TypeError("Invalid attempt to destructure non-iterable instance")}}();return x.modules.push({position:function(t){var e=t.top,o=t.left;if(this.options.shift){var n=this.options.shift;"function"==typeof this.options.shift&&(n=this.options.shift.call(this,{top:e,left:o}));var i=void 0,r=void 0;if("string"==typeof n){n=n.split(" "),n[1]=n[1]||n[0];var s=n,a=z(s,2);i=a[0],r=a[1],i=parseFloat(i,10),r=parseFloat(r,10)}else i=n.top,r=n.left;return e+=i,o+=r,{top:e,left:o}}}}),$});
\ No newline at end of file
diff --git a/js/tests/visual/alert.html b/js/tests/visual/alert.html
index f99c2d242..5425b3507 100644
--- a/js/tests/visual/alert.html
+++ b/js/tests/visual/alert.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Alert</title>
   </head>
@@ -45,7 +44,7 @@
       </div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/alert.js"></script>
   </body>
diff --git a/js/tests/visual/button.html b/js/tests/visual/button.html
index e2364d781..79cfa0248 100644
--- a/js/tests/visual/button.html
+++ b/js/tests/visual/button.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Button</title>
   </head>
@@ -45,7 +44,7 @@
       </div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/button.js"></script>
   </body>
diff --git a/js/tests/visual/carousel.html b/js/tests/visual/carousel.html
index b26fb4a0d..27a21efd6 100644
--- a/js/tests/visual/carousel.html
+++ b/js/tests/visual/carousel.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Carousel</title>
   </head>
@@ -19,58 +18,38 @@
           <li data-target="#carousel-example-generic" data-slide-to="1"></li>
           <li data-target="#carousel-example-generic" data-slide-to="2"></li>
         </ol>
-        <div class="carousel-inner" role="listbox">
+        <div class="carousel-inner">
           <div class="carousel-item active">
-            <img src="https://37.media.tumblr.com/tumblr_m8tay0JcfG1qa42jro1_1280.jpg" alt="First slide">
+            <img src="http://i.imgur.com/iEZgY7Y.jpg" alt="First slide">
           </div>
           <div class="carousel-item">
-            <img src="https://37.media.tumblr.com/tumblr_m8tazfiVYJ1qa42jro1_1280.jpg" alt="Second slide">
+            <img src="http://i.imgur.com/eNWn1Xs.jpg" alt="Second slide">
           </div>
           <div class="carousel-item">
-            <img src="https://38.media.tumblr.com/tumblr_m8tb2rVsD31qa42jro1_1280.jpg" alt="Third slide">
+            <img src="http://i.imgur.com/Nm7xoti.jpg" alt="Third slide">
           </div>
         </div>
-        <a class="left carousel-control" href="#carousel-example-generic" role="button" data-slide="prev">
-          <span class="icon-prev" aria-hidden="true"></span>
+        <a class="carousel-control-prev" href="#carousel-example-generic" role="button" data-slide="prev">
+          <span class="carousel-control-prev-icon" aria-hidden="true"></span>
           <span class="sr-only">Previous</span>
         </a>
-        <a class="right carousel-control" href="#carousel-example-generic" role="button" data-slide="next">
-          <span class="icon-next" aria-hidden="true"></span>
+        <a class="carousel-control-next" href="#carousel-example-generic" role="button" data-slide="next">
+          <span class="carousel-control-next-icon" aria-hidden="true"></span>
           <span class="sr-only">Next</span>
         </a>
       </div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/carousel.js"></script>
 
     <script>
-      // Should throw an error because carousel is in transition
-      function testCarouselTransitionError() {
-        var err = false
-        var $carousel = $('#carousel-example-generic')
-        $carousel.on('slid.bs.carousel', function () {
-          $carousel.off('slid.bs.carousel')
-          if (!err) {
-            alert('No error thrown for : testCarouselTransitionError')
-          }
-        })
-        try {
-          $carousel.carousel('next').carousel('prev')
-        }
-        catch (e) {
-          err = true
-          console.error(e.message)
-        }
-      }
-
-      $(function () {
+      $(function() {
         // Test to show that the carousel doesn't slide when the current tab isn't visible
-        $('#carousel-example-generic').on('slid.bs.carousel', function (event) {
+        $('#carousel-example-generic').on('slid.bs.carousel', function(event) {
           console.log('slid at ', event.timeStamp)
         })
-        testCarouselTransitionError()
       })
     </script>
   </body>
diff --git a/js/tests/visual/collapse.html b/js/tests/visual/collapse.html
index 47ac06fd2..fe45c1804 100644
--- a/js/tests/visual/collapse.html
+++ b/js/tests/visual/collapse.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Collapse</title>
   </head>
@@ -11,17 +10,17 @@
     <div class="container">
       <h1>Collapse <small>Bootstrap Visual Test</small></h1>
 
-      <div id="accordion" role="tablist" aria-multiselectable="true">
+      <div id="accordion" role="tablist">
         <div class="card">
           <div class="card-header" role="tab" id="headingOne">
             <h5 class="mb-0">
-              <a data-toggle="collapse" data-parent="#accordion" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
+              <a data-toggle="collapse" href="#collapseOne" aria-expanded="true" aria-controls="collapseOne">
                 Collapsible Group Item #1
               </a>
             </h5>
           </div>
 
-          <div id="collapseOne" class="collapse show" role="tabpanel" aria-labelledby="headingOne">
+          <div id="collapseOne" class="collapse show" data-parent="#accordion" role="tabpanel" aria-labelledby="headingOne">
             <div class="card-block">
               Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
             </div>
@@ -30,12 +29,12 @@
         <div class="card">
           <div class="card-header" role="tab" id="headingTwo">
             <h5 class="mb-0">
-              <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
+              <a class="collapsed" data-toggle="collapse" href="#collapseTwo" aria-expanded="false" aria-controls="collapseTwo">
                 Collapsible Group Item #2
               </a>
             </h5>
           </div>
-          <div id="collapseTwo" class="collapse" role="tabpanel" aria-labelledby="headingTwo">
+          <div id="collapseTwo" class="collapse" data-parent="#accordion" role="tabpanel" aria-labelledby="headingTwo">
             <div class="card-block">
               Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
             </div>
@@ -44,12 +43,12 @@
         <div class="card">
           <div class="card-header" role="tab" id="headingThree">
             <h5 class="mb-0">
-              <a class="collapsed" data-toggle="collapse" data-parent="#accordion" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
+              <a class="collapsed" data-toggle="collapse" href="#collapseThree" aria-expanded="false" aria-controls="collapseThree">
                 Collapsible Group Item #3
               </a>
             </h5>
           </div>
-          <div id="collapseThree" class="collapse" role="tabpanel" aria-labelledby="headingThree">
+          <div id="collapseThree" class="collapse" data-parent="#accordion" role="tabpanel" aria-labelledby="headingThree">
             <div class="card-block">
               Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. 3 wolf moon officia aute, non cupidatat skateboard dolor brunch. Food truck quinoa nesciunt laborum eiusmod. Brunch 3 wolf moon tempor, sunt aliqua put a bird on it squid single-origin coffee nulla assumenda shoreditch et. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident. Ad vegan excepteur butcher vice lomo. Leggings occaecat craft beer farm-to-table, raw denim aesthetic synth nesciunt you probably haven't heard of them accusamus labore sustainable VHS.
             </div>
@@ -58,33 +57,8 @@
       </div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/collapse.js"></script>
-    <script>
-      // JavaScript Test
-      $(function () {
-        testCollapseTransitionError()
-      });
-
-      // Should throw an error because carousel is in transition
-      function testCollapseTransitionError() {
-        var err = false
-        $('#collapseOne').on('hidden.bs.collapse', function (e) {
-          $(this).off('hidden.bs.collapse')
-          if (!err) {
-            alert('No error thrown for : testCollapseTransitionError')
-          }
-        })
-
-        try {
-          $('#collapseOne').collapse('hide').collapse('show')
-        }
-        catch (e) {
-          err = true
-          console.error(e.message)
-        }
-      }
-    </script>
   </body>
 </html>
diff --git a/js/tests/visual/dropdown.html b/js/tests/visual/dropdown.html
index 4bea32c14..fee096c6c 100644
--- a/js/tests/visual/dropdown.html
+++ b/js/tests/visual/dropdown.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Dropdown</title>
   </head>
@@ -11,11 +10,14 @@
     <div class="container">
       <h1>Dropdown <small>Bootstrap Visual Test</small></h1>
 
-      <nav class="navbar navbar-light bg-faded">
-        <button class="navbar-toggler hidden-lg-up" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation"></button>
-        <div class="collapse navbar-toggleable-md" id="navbarResponsive">
-          <a class="navbar-brand" href="#">Navbar</a>
-          <ul class="nav navbar-nav">
+      <nav class="navbar navbar-expand-md navbar-light bg-faded">
+        <a class="navbar-brand" href="#">Navbar</a>
+        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
+          <span class="navbar-toggler-icon"></span>
+        </button>
+
+        <div class="collapse navbar-collapse" id="navbarResponsive">
+          <ul class="navbar-nav">
             <li class="nav-item active">
               <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
             </li>
@@ -56,9 +58,67 @@
           </div>
         </li>
       </ul>
-    </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+      <div class="row">
+        <div class="col-sm-12 mt-4">
+          <div class="btn-group dropup">
+            <button type="button" class="btn btn-secondary">Dropup split</button>
+            <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+              <span class="sr-only">Dropup split</span>
+            </button>
+            <div class="dropdown-menu">
+              <a class="dropdown-item" href="#">Action</a>
+              <a class="dropdown-item" href="#">Another action</a>
+              <a class="dropdown-item" href="#">Something else here</a>
+            </div>
+          </div>
+
+          <div class="btn-group dropup">
+            <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropup</button>
+            <div class="dropdown-menu">
+              <a class="dropdown-item" href="#">Action</a>
+              <a class="dropdown-item" href="#">Another action</a>
+              <a class="dropdown-item" href="#">Something else here</a>
+            </div>
+          </div>
+
+          <div class="btn-group">
+            <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+              This dropdown's menu is right-aligned
+            </button>
+            <div class="dropdown-menu dropdown-menu-right">
+              <button class="dropdown-item" type="button">Action</button>
+              <button class="dropdown-item" type="button">Another action</button>
+              <button class="dropdown-item" type="button">Something else here</button>
+            </div>
+          </div>
+        </div>
+        <div class="col-sm-12 mt-4">
+          <div class="btn-group dropup" role="group">
+            <a href="#" class="btn btn-secondary">Dropup split align right</a>
+            <button type="button" id="dropdown-page-subheader-button-3" class="btn btn-secondary dropdown-toggle dropdown-toggle-split" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
+              <span class="sr-only">Product actions</span>
+            </button>
+            <div class="dropdown-menu dropdown-menu-right">
+              <button class="dropdown-item" type="button">Action</button>
+              <button class="dropdown-item" type="button">Another action</button>
+              <button class="dropdown-item" type="button">Something else here with a long text</button>
+            </div>
+          </div>
+          <div class="btn-group dropup">
+            <button type="button" class="btn btn-secondary dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropup align right</button>
+            <div class="dropdown-menu dropdown-menu-right">
+              <button class="dropdown-item" type="button">Action</button>
+              <button class="dropdown-item" type="button">Another action</button>
+              <button class="dropdown-item" type="button">Something else here with a long text</button>
+            </div>
+          </div>
+        </div>
+        </div>
+      </div>
+
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/dropdown.js"></script>
     <script src="../../dist/collapse.js"></script>
diff --git a/js/tests/visual/modal.html b/js/tests/visual/modal.html
index 361bf6b87..def62b031 100644
--- a/js/tests/visual/modal.html
+++ b/js/tests/visual/modal.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Modal</title>
     <style>
@@ -16,9 +15,9 @@
   <body>
     <nav class="navbar navbar-full navbar-dark bg-inverse">
       <button class="navbar-toggler hidden-lg-up" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation"></button>
-      <div class="collapse navbar-toggleable-md" id="navbarResponsive">
+      <div class="collapse navbar-expand-md" id="navbarResponsive">
         <a class="navbar-brand" href="#">This shouldn't jump!</a>
-        <ul class="nav navbar-nav">
+        <ul class="navbar-nav">
           <li class="nav-item active">
             <a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
           </li>
@@ -55,7 +54,7 @@
               <h4>Tooltips in a modal</h4>
               <p><a href="#" data-toggle="tooltip" data-placement="top" title="Tooltip on top">This link</a> and <a href="#" data-toggle="tooltip" data-placement="bottom" title="Tooltip on bottom">that link</a> should have tooltips on hover.</p>
 
-              <div id="accordion" role="tablist" aria-multiselectable="true">
+              <div id="accordion" role="tablist">
                 <div class="card">
                   <div class="card-header" role="tab" id="headingOne">
                     <h5 class="mb-0">
@@ -170,8 +169,8 @@
       </div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
-    <script src="../vendor/tether.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/modal.js"></script>
     <script src="../../dist/collapse.js"></script>
@@ -188,26 +187,6 @@
         }
       }
 
-      // Should throw an error because modal is in transition
-      function testModalTransitionError() {
-        var err = false
-        // Close #myModal
-        $('#myModal').on('shown.bs.modal', function () {
-          $('#myModal').modal('hide').off('shown.bs.modal')
-          if (!err) {
-            alert('No error thrown for : testModalTransitionError')
-          }
-        })
-
-        try {
-          $('#myModal').modal('show').modal('hide')
-        }
-        catch (e) {
-          err = true
-          console.error(e.message)
-        }
-      }
-
       $(function () {
         $('[data-toggle="popover"]').popover()
         $('[data-toggle="tooltip"]').tooltip()
@@ -220,7 +199,6 @@
           $('#firefoxModal').on('focus', reportFirefoxTestResult.bind(false))
           $('#ff-bug-input').on('focus', reportFirefoxTestResult.bind(true))
         })
-        testModalTransitionError()
       })
     </script>
   </body>
diff --git a/js/tests/visual/popover.html b/js/tests/visual/popover.html
index 75fb926c1..2354abf42 100644
--- a/js/tests/visual/popover.html
+++ b/js/tests/visual/popover.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Popover</title>
   </head>
@@ -11,7 +10,11 @@
     <div class="container">
       <h1>Popover <small>Bootstrap Visual Test</small></h1>
 
-      <button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="top" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
+      <button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="auto" data-content="Vivamus sagittis lacus vel augue laoreet rutrum faucibus.">
+        Popover on auto
+      </button>
+
+      <button type="button" class="btn btn-secondary" data-container="body" data-toggle="popover" data-placement="top" data-content="Default placement was on top but not enough place">
         Popover on top
       </button>
 
@@ -29,8 +32,8 @@
       </button>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
-    <script src="../vendor/tether.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/tooltip.js"></script>
     <script src="../../dist/popover.js"></script>
diff --git a/js/tests/visual/scrollspy.html b/js/tests/visual/scrollspy.html
index 337611126..0f115e035 100644
--- a/js/tests/visual/scrollspy.html
+++ b/js/tests/visual/scrollspy.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Scrollspy</title>
     <style>
@@ -11,10 +10,13 @@
     </style>
   </head>
   <body data-spy="scroll" data-target=".navbar" data-offset="70">
-    <div class="container">
-      <nav class="navbar navbar-fixed-top navbar-dark bg-inverse">
-        <a class="navbar-brand" href="#">Scrollspy test</a>
-        <ul class="nav navbar-nav">
+    <nav class="navbar navbar-expand-md navbar-inverse bg-inverse fixed-top">
+      <a class="navbar-brand" href="#">Scrollspy test</a>
+      <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+        <span class="navbar-toggler-icon"></span>
+      </button>
+      <div class="navbar-collapse collapse" id="navbarSupportedContent">
+        <ul class="navbar-nav mr-auto">
           <li class="nav-item">
             <a class="nav-link" href="#fat">@fat</a>
           </li>
@@ -24,18 +26,18 @@
           <li class="nav-item dropdown">
             <a class="nav-link dropdown-toggle" href="#" id="dropdown" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
             <div class="dropdown-menu" aria-labelledby="dropdown">
-              <a class="dropdown-item" href="#one">one</a>
-              <a class="dropdown-item" href="#two">two</a>
-              <div class="dropdown-divider"></div>
-              <a class="dropdown-item" href="#three">three</a>
+              <a class="dropdown-item" href="#one">One</a>
+              <a class="dropdown-item" href="#two">Two</a>
+              <a class="dropdown-item" href="#three">Three</a>
             </div>
           </li>
           <li class="nav-item">
             <a class="nav-link" href="#final">Final</a>
           </li>
         </ul>
-      </nav>
-
+      </div>
+    </nav>
+    <div class="container">
       <h2 id="fat">@fat</h2>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
@@ -66,7 +68,7 @@
       <hr>
       <h2 id="three">three</h2>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
-      <p>Keytar twee blog, culpa messenger bag marfa whatever delectus food truck. Sapiente synth id assumenda. Locavore sed helvetica cliche irony, thundercats you probably haven't heard of them consequat hoodie gluten-free lo-fi fap aliquip. Labore elit placeat before they sold out, terry richardson proident brunch nesciunt quis cosby sweater pariatur keffiyeh ut helvetica artisan. Cardigan craft beer seitan readymade velit. VHS chambray laboris tempor veniam. Anim mollit minim commodo ullamco thundercats.
+      <p>Keytar twee blog, culpa messenger bag marfa whatever delectus food truck. Sapiente synth id assumenda. Locavore sed helvetica cliche irony, thundercats you probably haven't heard of them consequat hoodie gluten-free lo-fi fap aliquip. Labore elit placeat before they sold out, terry richardson proident brunch nesciunt quis cosby sweater pariatur keffiyeh ut helvetica artisan. Cardigan craft beer seitan readymade velit. VHS chambray laboris tempor veniam. Anim mollit minim commodo ullamco thundercats.</p>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
       <p>Ad leggings keytar, brunch id art party dolor labore. Pitchfork yr enim lo-fi before they sold out qui. Tumblr farm-to-table bicycle rights whatever. Anim keffiyeh carles cardigan. Velit seitan mcsweeney's photo booth 3 wolf moon irure. Cosby sweater lomo jean shorts, williamsburg hoodie minim qui you probably haven't heard of them et cardigan trust fund culpa biodiesel wes anderson aesthetic. Nihil tattooed accusamus, cred irony biodiesel keffiyeh artisan ullamco consequat.</p>
@@ -84,7 +86,8 @@
       <p>Ad leggings keytar, brunch id art party dolor labore.</p>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/scrollspy.js"></script>
     <script src="../../dist/dropdown.js"></script>
diff --git a/js/tests/visual/tab.html b/js/tests/visual/tab.html
index 14481cac5..e747302db 100644
--- a/js/tests/visual/tab.html
+++ b/js/tests/visual/tab.html
@@ -3,7 +3,6 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Tab</title>
     <style>
@@ -72,7 +71,7 @@
       </ul>
 
       <div class="tab-content" role="tablist">
-        <div class="tab-pane fade in active" id="home2" role="tabpanel">
+        <div class="tab-pane fade show active" id="home2" role="tabpanel">
           <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
           <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
         </div>
@@ -163,9 +162,69 @@
           <p>Trust fund seitan letterpress, keytar raw denim keffiyeh etsy art party before they sold out master cleanse gluten-free squid scenester freegan cosby sweater. Fanny pack portland seitan DIY, art party locavore wolf cliche high life echo park Austin. Cred vinyl keffiyeh DIY salvia PBR, banh mi before they sold out farm-to-table VHS viral locavore cosby sweater. Lomo wolf viral, mustache readymade thundercats keffiyeh craft beer marfa ethical. Wolf salvia freegan, sartorial keffiyeh echo park vegan.</p>
         </div>
       </div>
-    </div>
 
-    <script src="../vendor/jquery.min.js"></script>
+      <h4>Tabs with nav (with fade)</h4>
+      <nav class="nav nav-pills">
+        <a class="nav-link nav-item active" data-toggle="tab" href="#home5">Home</a>
+        <a class="nav-link nav-item" data-toggle="tab" href="#profile5">Profile</a>
+        <div class="nav-item dropdown">
+          <a class="nav-link dropdown-toggle" href="#" id="dropdown5" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown</a>
+          <div class="dropdown-menu" aria-labelledby="dropdown5">
+            <a class="dropdown-item" data-toggle="tab" href="#fat5">@fat</a>
+            <a class="dropdown-item" data-toggle="tab" href="#mdo5">@mdo</a>
+          </div>
+        </div>
+        <a class="nav-link nav-item disabled" href="#">Disabled</a>
+      </nav>
+
+      <div class="tab-content" role="tabpanel">
+        <div role="tabpanel" class="tab-pane fade show active" id="home5">
+          <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
+          <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
+        </div>
+        <div role="tabpanel" class="tab-pane fade" id="profile5">
+          <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
+          <p>Raw denim you probably haven't heard of them jean shorts Austin. Nesciunt tofu stumptown aliqua, retro synth master cleanse. Mustache cliche tempor, williamsburg carles vegan helvetica. Reprehenderit butcher retro keffiyeh dreamcatcher synth. Cosby sweater eu banh mi, qui irure terry richardson ex squid. Aliquip placeat salvia cillum iphone. Seitan aliquip quis cardigan american apparel, butcher voluptate nisi qui.</p>
+        </div>
+        <div class="tab-pane fade" id="fat5" role="tabpanel">
+          <p>Etsy mixtape wayfarers, ethical wes anderson tofu before they sold out mcsweeney's organic lomo retro fanny pack lo-fi farm-to-table readymade. Messenger bag gentrify pitchfork tattooed craft beer, iphone skateboard locavore carles etsy salvia banksy hoodie helvetica. DIY synth PBR banksy irony. Leggings gentrify squid 8-bit cred pitchfork. Williamsburg banh mi whatever gluten-free, carles pitchfork biodiesel fixie etsy retro mlkshk vice blog. Scenester cred you probably haven't heard of them, vinyl craft beer blog stumptown. Pitchfork sustainable tofu synth chambray yr.</p>
+          <p>Etsy mixtape wayfarers, ethical wes anderson tofu before they sold out mcsweeney's organic lomo retro fanny pack lo-fi farm-to-table readymade. Messenger bag gentrify pitchfork tattooed craft beer, iphone skateboard locavore carles etsy salvia banksy hoodie helvetica. DIY synth PBR banksy irony. Leggings gentrify squid 8-bit cred pitchfork. Williamsburg banh mi whatever gluten-free, carles pitchfork biodiesel fixie etsy retro mlkshk vice blog. Scenester cred you probably haven't heard of them, vinyl craft beer blog stumptown. Pitchfork sustainable tofu synth chambray yr.</p>
+        </div>
+        <div class="tab-pane fade" id="mdo5" role="tabpanel">
+          <p>Trust fund seitan letterpress, keytar raw denim keffiyeh etsy art party before they sold out master cleanse gluten-free squid scenester freegan cosby sweater. Fanny pack portland seitan DIY, art party locavore wolf cliche high life echo park Austin. Cred vinyl keffiyeh DIY salvia PBR, banh mi before they sold out farm-to-table VHS viral locavore cosby sweater. Lomo wolf viral, mustache readymade thundercats keffiyeh craft beer marfa ethical. Wolf salvia freegan, sartorial keffiyeh echo park vegan.</p>
+          <p>Trust fund seitan letterpress, keytar raw denim keffiyeh etsy art party before they sold out master cleanse gluten-free squid scenester freegan cosby sweater. Fanny pack portland seitan DIY, art party locavore wolf cliche high life echo park Austin. Cred vinyl keffiyeh DIY salvia PBR, banh mi before they sold out farm-to-table VHS viral locavore cosby sweater. Lomo wolf viral, mustache readymade thundercats keffiyeh craft beer marfa ethical. Wolf salvia freegan, sartorial keffiyeh echo park vegan.</p>
+        </div>
+      </div>
+
+      <h4>Tabs with list-group (with fade)</h4>
+      <div class="row">
+        <div class="col-4">
+          <div class="list-group" id="list-tab" role="tablist">
+            <a class="list-group-item list-group-item-action active" id="list-home-list" data-toggle="tab" href="#list-home" role="tab" aria-controls="home">Home</a>
+            <a class="list-group-item list-group-item-action" id="list-profile-list" data-toggle="tab" href="#list-profile" role="tab" aria-controls="profile">Profile</a>
+            <a class="list-group-item list-group-item-action" id="list-messages-list" data-toggle="tab" href="#list-messages" role="tab" aria-controls="messages">Messages</a>
+            <a class="list-group-item list-group-item-action" id="list-settings-list" data-toggle="tab" href="#list-settings" role="tab" aria-controls="settings">Settings</a>
+          </div>
+        </div>
+        <div class="col-8">
+          <div class="tab-content" id="nav-tabContent">
+            <div class="tab-pane fade show active" id="list-home" role="tabpanel" aria-labelledby="list-home-list">
+              <p>Velit aute mollit ipsum ad dolor consectetur nulla officia culpa adipisicing exercitation fugiat tempor. Voluptate deserunt sit sunt nisi aliqua fugiat proident ea ut. Mollit voluptate reprehenderit occaecat nisi ad non minim tempor sunt voluptate consectetur exercitation id ut nulla. Ea et fugiat aliquip nostrud sunt incididunt consectetur culpa aliquip eiusmod dolor. Anim ad Lorem aliqua in cupidatat nisi enim eu nostrud do aliquip veniam minim.</p>
+            </div>
+            <div class="tab-pane fade" id="list-profile" role="tabpanel" aria-labelledby="list-profile-list">
+              <p>Cupidatat quis ad sint excepteur laborum in esse qui. Et excepteur consectetur ex nisi eu do cillum ad laborum. Mollit et eu officia dolore sunt Lorem culpa qui commodo velit ex amet id ex. Officia anim incididunt laboris deserunt anim aute dolor incididunt veniam aute dolore do exercitation. Dolor nisi culpa ex ad irure in elit eu dolore. Ad laboris ipsum reprehenderit irure non commodo enim culpa commodo veniam incididunt veniam ad.</p>
+            </div>
+            <div class="tab-pane fade" id="list-messages" role="tabpanel" aria-labelledby="list-messages-list">
+              <p>Ut ut do pariatur aliquip aliqua aliquip exercitation do nostrud commodo reprehenderit aute ipsum voluptate. Irure Lorem et laboris nostrud amet cupidatat cupidatat anim do ut velit mollit consequat enim tempor. Consectetur est minim nostrud nostrud consectetur irure labore voluptate irure. Ipsum id Lorem sit sint voluptate est pariatur eu ad cupidatat et deserunt culpa sit eiusmod deserunt. Consectetur et fugiat anim do eiusmod aliquip nulla laborum elit adipisicing pariatur cillum.</p>
+            </div>
+            <div class="tab-pane fade" id="list-settings" role="tabpanel" aria-labelledby="list-settings-list">
+              <p>Irure enim occaecat labore sit qui aliquip reprehenderit amet velit. Deserunt ullamco ex elit nostrud ut dolore nisi officia magna sit occaecat laboris sunt dolor. Nisi eu minim cillum occaecat aute est cupidatat aliqua labore aute occaecat ea aliquip sunt amet. Aute mollit dolor ut exercitation irure commodo non amet consectetur quis amet culpa. Quis ullamco nisi amet qui aute irure eu. Magna labore dolor quis ex labore id nostrud deserunt dolor eiusmod eu pariatur culpa mollit in irure.</p>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/tab.js"></script>
     <script src="../../dist/dropdown.js"></script>
diff --git a/js/tests/visual/tooltip.html b/js/tests/visual/tooltip.html
index 6cd33e7e6..172cb29ad 100644
--- a/js/tests/visual/tooltip.html
+++ b/js/tests/visual/tooltip.html
@@ -3,9 +3,21 @@
   <head>
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-    <meta http-equiv="x-ua-compatible" content="ie=edge">
     <link rel="stylesheet" href="../../../dist/css/bootstrap.min.css">
     <title>Tooltip</title>
+    <style>
+      #target {
+        border: 1px solid;
+        width: 100px;
+        height: 50px;
+        border: 1px solid;
+        margin-left: 50px;
+        -webkit-transform: rotate(270deg);
+        -ms-transform: rotate(270deg);
+        transform: rotate(270deg);
+        margin-top: 100px;
+      }
+    </style>
   </head>
   <body>
     <div class="container">
@@ -16,6 +28,9 @@
       <hr>
 
       <p>
+        <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="auto" title="Tooltip on auto">
+          Tooltip on auto
+        </button>
         <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-placement="top" title="Tooltip on top">
           Tooltip on top
         </button>
@@ -31,37 +46,26 @@
         <button type="button" class="btn btn-secondary" data-toggle="tooltip" data-html="true" title="<em>Tooltip</em> <u>with</u> <b>HTML</b>">
           Tooltip with HTML
         </button>
+        <svg width="30" height="20">
+          <circle cx="15" cy="10" r="10" fill="#62448F" data-toggle="tooltip" data-placement="top" title="Tooltip on SVG" />
+        </svg>
       </p>
+      <div id="target" title="Test tooltip on transformed element"></div>
     </div>
 
-    <script src="../vendor/jquery.min.js"></script>
-    <script src="../vendor/tether.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/jquery-slim.min.js"></script>
+    <script src="../../../docs/assets/js/vendor/popper.min.js"></script>
     <script src="../../dist/util.js"></script>
     <script src="../../dist/tooltip.js"></script>
 
     <script>
       $(function () {
         $('[data-toggle="tooltip"]').tooltip()
-        testTooltipTransitionError()
+        $('#target').tooltip({
+          placement : 'top',
+          trigger : 'manual'
+        }).tooltip('show')
       })
-
-      // Should throw an error because tooltip is in transition
-      function testTooltipTransitionError() {
-        var err = false
-        $('#btnOne').on('shown.bs.tooltip', function () {
-          $('#btnOne').tooltip('hide').off('shown.bs.tooltip')
-          if (!err) {
-            alert('No error thrown for : testTooltipTransitionError')
-          }
-        })
-        try {
-          $('#btnOne').tooltip('show').tooltip('hide')
-        }
-        catch (e) {
-          err = true
-          console.error(e.message)
-        }
-      }
     </script>
   </body>
 </html>