MediaWiki:Citizen.js

Note: After publishing, you may have to bypass your browser's cache to see the changes.

• Firefox / Safari: Hold Shift while clicking Reload, or press either Ctrl-F5 or Ctrl-R (⌘-R on a Mac)
• Google Chrome: Press Ctrl-Shift-R (⌘-Shift-R on a Mac)
• Edge: Hold Ctrl while clicking Refresh, or press Ctrl-F5.

/* All JavaScript here will be loaded for users of the Citizen skin */
$(function() {
    var header = document.querySelector('.citizen-header');
    var drawer = header.querySelector('.citizen-drawer');
    
    if (header && drawer) {
        // Create button container (same structure as other buttons)
        var buttonDiv = document.createElement('div');
        buttonDiv.className = 'citizen-header__item';
        
        var link = document.createElement('a');
        link.href = '/index.php/Your_Page';
        link.className = 'citizen-header__button';
        link.title = 'My Custom Button';
        
        // Use a MediaWiki icon (see list below)
        link.innerHTML = '<span class="citizen-ui-icon mw-ui-icon-wikimedia-heart"></span>';
        
        buttonDiv.appendChild(link);
        
        // Insert before the drawer (menu) button
        header.insertBefore(buttonDiv, drawer);
    }
});