1 files changed, 7 insertions, 11 deletions

diff --git a/core/misc/collapse.js b/core/misc/collapse.js
index 3c09ab18b77e..bf312b97cea4 100644
--- a/core/misc/collapse.js
+++ b/core/misc/collapse.js
@@ -9,21 +9,19 @@
   function CollapsibleDetails(node) {
     this.$node = $(node);
     this.$node.data('details', this);
+    var anchor = window.location.hash && window.location.hash !== '#' ? ", ".concat(window.location.hash) : '';
 
-    var anchor = window.location.hash && window.location.hash !== '#' ? ', ' + window.location.hash : '';
-    if (this.$node.find('.error' + anchor).length) {
+    if (this.$node.find(".error".concat(anchor)).length) {
       this.$node.attr('open', true);
     }
 
     this.setupSummary();
-
     this.setupLegend();
   }
 
   $.extend(CollapsibleDetails, {
     instances: []
   });
-
   $.extend(CollapsibleDetails.prototype, {
     setupSummary: function setupSummary() {
       this.$summary = $('<span class="summary"></span>');
@@ -31,11 +29,8 @@
     },
     setupLegend: function setupLegend() {
       var $legend = this.$node.find('> summary');
-
       $('<span class="details-summary-prefix visually-hidden"></span>').append(this.$node.attr('open') ? Drupal.t('Hide') : Drupal.t('Show')).prependTo($legend).after(document.createTextNode(' '));
-
-      $('<a class="details-title"></a>').attr('href', '#' + this.$node.attr('id')).prepend($legend.contents()).appendTo($legend);
-
+      $('<a class="details-title"></a>').attr('href', "#".concat(this.$node.attr('id'))).prepend($legend.contents()).appendTo($legend);
       $legend.append(this.$summary).on('click', $.proxy(this.onLegendClick, this));
     },
     onLegendClick: function onLegendClick(e) {
@@ -44,13 +39,14 @@
     },
     onSummaryUpdated: function onSummaryUpdated() {
       var text = $.trim(this.$node.drupalGetSummary());
-      this.$summary.html(text ? ' (' + text + ')' : '');
+      this.$summary.html(text ? " (".concat(text, ")") : '');
     },
     toggle: function toggle() {
       var _this = this;
 
       var isOpen = !!this.$node.attr('open');
       var $summaryPrefix = this.$node.find('> summary span.details-summary-prefix');
+
       if (isOpen) {
         $summaryPrefix.html(Drupal.t('Show'));
       } else {
@@ -62,13 +58,14 @@
       }, 0);
     }
   });
-
   Drupal.behaviors.collapse = {
     attach: function attach(context) {
       if (Modernizr.details) {
         return;
       }
+
       var $collapsibleDetails = $(context).find('details').once('collapse').addClass('collapse-processed');
+
       if ($collapsibleDetails.length) {
         for (var i = 0; i < $collapsibleDetails.length; i++) {
           CollapsibleDetails.instances.push(new CollapsibleDetails($collapsibleDetails[i]));
@@ -82,6 +79,5 @@
   };
 
   $('body').on('formFragmentLinkClickOrHashChange.details', handleFragmentLinkClickOrHashChange);
-
   Drupal.CollapsibleDetails = CollapsibleDetails;
 })(jQuery, Modernizr, Drupal);
\ No newline at end of file