Jatin Gupta
--- a/js/toolbar-menu-scroll.js 0 → 100644
+++ b/js/toolbar-menu-scroll.js 0 → 100644
+((Drupal, once) => {
+  Drupal.behaviors.customDropdownScroll = {
+    attach: (context) => {
+      once(
+        'toolbar-block__list',
+        context.querySelectorAll('.toolbar-block__list'),
+      ).forEach((toolBarMenu) => {
+        // Get all the node that have nested list.
+        var menuList = toolBarMenu.querySelector('ul');
+
+        if (menuList) {
+          toolBarMenu.addEventListener('click', (event) => {
+            var clickedMenu = event.target.closest('ul li');