vendor/assets/javascripts/twbs/bootstrap/modal.js in twbs_sass_rails-4.3.1 vs vendor/assets/javascripts/twbs/bootstrap/modal.js in twbs_sass_rails-4.4.0

@@ -1,10 +1,10 @@
 /* ========================================================================
- * Bootstrap: modal.js v3.3.6
+ * Bootstrap: modal.js v3.3.7
  * http://getbootstrap.com/javascript/#modals
  * ========================================================================
- * Copyright 2011-2015 Twitter, Inc.
+ * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  * ======================================================================== */
 
 
 +function ($) {
@@ -31,11 +31,11 @@
           this.$element.trigger('loaded.bs.modal')
         }, this))
     }
   }
 
-  Modal.VERSION  = '3.3.6'
+  Modal.VERSION  = '3.3.7'
 
   Modal.TRANSITION_DURATION = 300
   Modal.BACKDROP_TRANSITION_DURATION = 150
 
   Modal.DEFAULTS = {
@@ -138,10 +138,12 @@
 
   Modal.prototype.enforceFocus = function () {
     $(document)
       .off('focusin.bs.modal') // guard against infinite focus loop
       .on('focusin.bs.modal', $.proxy(function (e) {
-        if (this.$element[0] !== e.target && !this.$element.has(e.target).length) {
+        if (document !== e.target &&
+            this.$element[0] !== e.target &&
+            !this.$element.has(e.target).length) {
           this.$element.trigger('focus')
         }
       }, this))
   }