diff -u b/core/modules/outside_in/js/offcanvas.js b/core/modules/outside_in/js/offcanvas.js
--- b/core/modules/outside_in/js/offcanvas.js
+++ b/core/modules/outside_in/js/offcanvas.js
@@ -9,23 +9,27 @@
 
   /**
    * Create a wrapper container for the off canvas element.
+   *
    * @param  {number} pageWidth
    *   The width of #page-wrapper.
+   *
    * @return {object}
    *   jQuery object that is the off canvas wrapper element.
    */
   var createOffCanvasWrapper = function (pageWidth) {
-   return $('<div />', {
-     'id': 'offcanvas',
-     'role': 'region',
-     'aria-labelledby': 'offcanvas-header'
-   });
- };
+    return $('<div />', {
+      'id': 'offcanvas',
+      'role': 'region',
+      'aria-labelledby': 'offcanvas-header'
+    });
+  };
 
   /**
    * Create the title element for the off canvas element.
+   *
    * @param  {string} title
    *   The title string.
+   *
    * @return {object}
    *   jQuery object that is the off canvas title element.
    */
@@ -35,8 +39,10 @@
 
   /**
    * Create the actual off canvas content.
+   *
    * @param  {string} data
-   *   This is fully rendered html from Drupal.
+   *   This is fully rendered HTML from Drupal.
+   *
    * @return {object}
    *   jQuery object that is the off canvas content element.
    */
@@ -46,11 +52,13 @@
 
   /**
    * Create the off canvas close element.
-   * @param  {object} offCanvasWrapper
+   *
+   * @param {object} offCanvasWrapper
    *   The jQuery off canvas wrapper element
-   * @param  {object} pageWrapper
+   * @param {object} pageWrapper
    *   The jQuery off page wrapper element
-   * @return {object}
+   *
+   * @return {jQuery}
    *   jQuery object that is the off canvas close element.
    */
   var createOffCanvasClose = function (offCanvasWrapper, pageWrapper) {
@@ -58,7 +66,7 @@
       'class': 'offcanvasClose',
       'aria-label': Drupal.t('Close configuration tray.'),
       'html': '<span class="visually-hidden">' + Drupal.t('Close') + '</span>'
-    }).click(function () {
+    }).on('click', function () {
       pageWrapper
         .removeClass('js-tray-open')
         .one('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function () {
@@ -78,6 +86,7 @@
    *   The Drupal Ajax object.
    * @param {object} response
    *   Object holding the server response.
+   *
    * @param {number} [status]
    *   The HTTP status code.
    */
@@ -120,7 +129,7 @@
     else {
       Drupal.announce(Drupal.t('Configuration tray opened.'));
     }
-    Drupal.attachBehaviors(document.querySelector('#offcanvas'),drupalSettings);
+    Drupal.attachBehaviors(document.querySelector('#offcanvas'), drupalSettings);
   };
 
 })(jQuery, Drupal);
diff -u b/core/modules/outside_in/js/outside_in.js b/core/modules/outside_in/js/outside_in.js
--- b/core/modules/outside_in/js/outside_in.js
+++ b/core/modules/outside_in/js/outside_in.js
@@ -10,7 +10,7 @@
   // Bind a listener to the 'edit' button
   // Toggle the js-outside-edit-mode class on items that we want
   // to disable while in edit mode.
-  $('div.contextual-toolbar-tab.toolbar-tab button').click(function () {
+  $('.contextual-toolbar-tab.toolbar-tab button').on('click', function () {
     setToggleActiveMode();
   });
 
@@ -26,7 +26,7 @@
     // When a click occurs try and find the outside-in edit link
     // and click it.
     .not('div.contextual a, div.contextual button')
-    .click(function (e) {
+    .on('click', function (e) {
       if ($(e.target.offsetParent).hasClass('contextual')) {
         return;
       }
@@ -79,7 +79,7 @@
     // Bind a listener to all 'Quick Edit' links for blocks
     // Click "Edit" button in toolbar to force Contextual Edit which starts
     // Outside In edit mode also.
-    data.$el.find('.outside-inblock-configure a').click(function () {
+    data.$el.find('.outside-inblock-configure a').on('click', function () {
       if (!isActiveMode()) {
         $('div.contextual-toolbar-tab.toolbar-tab button').click();
       }
@@ -89,7 +89,7 @@
   /**
    * Gets all items that should be toggled with class during edit mode.
    *
-   * @returns {*}
+   * @return {*}
    *   Items that should be toggled.
    */
   var getItemsToToggle = function () {