rebuild - fix missing (

1 files changed, 10 insertions, 1 deletions

diff --git a/docs/assets/js/bootstrap.js b/docs/assets/js/bootstrap.js
index 4baf3759c..b6497686d 100644
--- a/docs/assets/js/bootstrap.js
+++ b/docs/assets/js/bootstrap.js
@@ -1797,7 +1797,7 @@
         .on('keypress', $.proxy(this.keypress, this))
         .on('keyup',    $.proxy(this.keyup, this))
 
-      if ($.browser.chrome || $.browser.webkit || $.browser.msie) {
+      if (this.eventSupported('keydown')) {
         this.$element.on('keydown', $.proxy(this.keydown, this))
       }
 
@@ -1806,6 +1806,15 @@
         .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
     }
 
+  , eventSupported: function(eventName) {
+      var isSupported = eventName in this.$element
+      if (!isSupported) {
+        this.$element.setAttribute(eventName, 'return;')
+        isSupported = typeof this.$element[eventName] === 'function'
+      }
+      return isSupported
+    }
+
   , move: function (e) {
       if (!this.shown) return