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// Check if the user is not logged in by looking for the 'user-anon' class on <body> if (document.body.classList.contains('user-anon')) { // - '#mw-navigation-toggle' for Vector skin var hamburgerToggle = document.querySelector('#mw-navigation-toggle, .hamburger-toggle'); // Add a click event listener to toggle the navigation hamburgerToggle.addEventListener('click', function() { // Toggle a class on the body to show/hide the navigation document.body.classList.toggle('mw-navigation-open'); // If the hamburger toggle doesn't exist, create one