Merge pull request #3774 from squidfunk/fix/dropdown

lovelydinosaur · web-flow · commit d7376252e230 · 2024-08-23T13:21:59.000+01:00
Fix console error when closing dropdown
diff --git a/mkdocs/themes/mkdocs/js/base.js b/mkdocs/themes/mkdocs/js/base.js
@@ -118,8 +118,14 @@ document.addEventListener("DOMContentLoaded", function () {
         item.classList.remove('open');
 
         popup.scrollTop = 0;
-        popup.querySelector('.dropdown-menu').scrollTop = 0;
-        popup.querySelector('.dropdown-submenu > a').classList.remove('open');
+        var menu = popup.querySelector('.dropdown-menu');
+        if (menu) {
+            menu.scrollTop = 0;
+        }
+        var dropdown = popup.querySelector('.dropdown-submenu > a');
+        if (dropdown) {
+            dropdown.classList.remove('open');
+        }
     }
 
     document.querySelectorAll('.dropdown-submenu > a').forEach(function(item) {
