diff --git a/core/modules/views/js/ajax_view.js b/core/modules/views/js/ajax_view.js
index cc1a654..932c82f 100644
--- a/core/modules/views/js/ajax_view.js
+++ b/core/modules/views/js/ajax_view.js
@@ -18,11 +18,9 @@
   Drupal.behaviors.ViewsAjaxView = {};
   Drupal.behaviors.ViewsAjaxView.attach = function () {
     if (drupalSettings && drupalSettings.views && drupalSettings.views.ajaxViews) {
-      var ajaxViews = Drupal.views.sortByNestingLevel(drupalSettings.views.ajaxViews);
-      for (var i in ajaxViews) {
-        var item = ajaxViews[i];
+      Drupal.views.sortByNestingLevel(drupalSettings.views.ajaxViews).forEach(function (item) {
         Drupal.views.instances[item.key] = new Drupal.views.ajaxView(item.value);
-      }
+      });
     }
   };
 
@@ -42,6 +40,7 @@
    * @param {object} ajaxViews
    *   Object containing ajax view.
    * @return {Array}
+   *   Array of views sorted by nesting level.
    */
   Drupal.views.sortByNestingLevel = function (ajaxViews) {
     var ajaxViewsArray = [];
@@ -62,7 +61,7 @@
     return ajaxViewsArray.sort(function (a, b) {
       return b.nestingLevel - a.nestingLevel;
     });
-  }
+  };
 
   /**
    * Javascript object for a certain view.