Add this to your WordPress menu to fix the mobile menu button not opening. Install the Code Snippets plugin, paste the PHP code, then save and activate

functions .php

add_action('wp_enqueue_scripts', function () {
  // Ensure elementor-frontend is enqueued before our inline JS.
  // Priority 20 places this after Elementor's own scripts in most setups.
  wp_add_inline_script(
    'elementor-frontend',
    // BEGIN inline JS
    '(function(){
      // --- softDeprecated shim ---
      window.elementorCommon = window.elementorCommon || {};
      window.elementorCommon.helpers = window.elementorCommon.helpers || {};
      if (typeof window.elementorCommon.helpers.softDeprecated !== "function") {
        window.elementorCommon.helpers.softDeprecated = function(){ /* noop to prevent crashes */ };
      }

      // --- NestedTabs shim ---
      // Some Elementor Pro versions expect elementorModules.frontend.handlers.NestedTabs.
      // If core doesn\'t provide it, define a minimal class so inheritance doesn\'t fail.
      window.elementorModules = window.elementorModules || {};
      window.elementorModules.frontend = window.elementorModules.frontend || {};
      window.elementorModules.frontend.handlers = window.elementorModules.frontend.handlers || {};

      if (!window.elementorModules.frontend.handlers.NestedTabs) {
        // Use Base if available; otherwise use a bare function to avoid TypeError on "extends".
        var BaseCtor = (window.elementorModules.frontend.handlers.Base) || function(){};
        try {
          // Define a tiny class that won\'t do anything harmful.
          var DummyNestedTabs = (function(_Base){
            function C(){ _Base.apply(this, arguments); }
            if (_Base && _Base.prototype) {
              C.prototype = Object.create(_Base.prototype);
              C.prototype.constructor = C;
            }
            C.prototype.onInit = C.prototype.onInit || function(){};
            return C;
          })(BaseCtor);

          window.elementorModules.frontend.handlers.NestedTabs = DummyNestedTabs;
        } catch(e) {
          // If anything goes wrong, at least define a no-op so Pro doesn\'t crash.
          window.elementorModules.frontend.handlers.NestedTabs = function(){};
        }
      }
    })();'
    // END inline JS
  );
}, 20);

read.me

Here are a few clean, corrected options—pick the style you like:

**Concise sentence**

* “Add this to your WordPress menu to fix the mobile menu button not opening. Install the Code Snippets plugin, paste the PHP code, then save and activate.”

**Step-by-step**

1. Install the **Code Snippets** plugin.
2. Add the provided **PHP** snippet.
3. **Save** the snippet and **Activate** it.
4. This will fix the **mobile menu button** not opening in your WordPress menu.

**Even shorter**

* “Install Code Snippets → add the PHP code → Save & Activate to fix the mobile menu button on WordPress.”