fixes #11373 - adds related target to dropdown events

1 files changed, 8 insertions, 6 deletions

diff --git a/js/dropdown.js b/js/dropdown.js
index 48752fda5..b19b255ae 100644
--- a/js/dropdown.js
+++ b/js/dropdown.js
@@ -34,13 +34,14 @@
         $('<div class="dropdown-backdrop"/>').insertAfter($(this)).on('click', clearMenus)
       }
 
-      $parent.trigger(e = $.Event('show.bs.dropdown'))
+      var relatedTarget = { relatedTarget: this }
+      $parent.trigger(e = $.Event('show.bs.dropdown', relatedTarget))
 
       if (e.isDefaultPrevented()) return
 
       $parent
         .toggleClass('open')
-        .trigger('shown.bs.dropdown')
+        .trigger('shown.bs.dropdown', relatedTarget)
 
       $this.focus()
     }
@@ -79,14 +80,15 @@
     $items.eq(index).focus()
   }
 
-  function clearMenus() {
+  function clearMenus(e) {
     $(backdrop).remove()
-    $(toggle).each(function (e) {
+    $(toggle).each(function () {
       var $parent = getParent($(this))
+      var relatedTarget = { relatedTarget: this }
       if (!$parent.hasClass('open')) return
-      $parent.trigger(e = $.Event('hide.bs.dropdown'))
+      $parent.trigger(e = $.Event('hide.bs.dropdown', relatedTarget))
       if (e.isDefaultPrevented()) return
-      $parent.removeClass('open').trigger('hidden.bs.dropdown')
+      $parent.removeClass('open').trigger('hidden.bs.dropdown', relatedTarget)
     })
   }