diff --git a/addons/website/static/src/js/editor/wysiwyg.js b/addons/website/static/src/js/editor/wysiwyg.js
index 36e862d7c1a..c8ad83d76b4 100644
--- a/addons/website/static/src/js/editor/wysiwyg.js
+++ b/addons/website/static/src/js/editor/wysiwyg.js
@@ -17,15 +17,14 @@ var snippetsEditor = require('website.snippet.editor');
  */
 function toggleDropdown($toggles, show) {
     return Promise.all(_.map($toggles, toggle => {
-        var $toggle = $(toggle);
-        var $dropdown = $toggle.parent();
-        var shown = $dropdown.hasClass('show');
+        const $toggle = $(toggle);
+        const shown = toggle.classList.contains('show');
         if (shown === show) {
             return;
         }
-        var toShow = !shown;
+        const toShow = !shown;
         return new Promise(resolve => {
-            $dropdown.one(
+            $toggle.parent().one(
                 toShow ? 'shown.bs.dropdown' : 'hidden.bs.dropdown',
                 () => resolve()
             );