How can I activate Collapse Menu in WordPress?
You have to trigger the click event. Try, jQuery(document).ready(function() { jQuery(“#collapse-menu”).trigger(‘click’); }); Update: Use the following code to check if menu is already folded, if not trigger click event to fold it. jQuery(document).ready(function() { if ( !$(document.body).hasClass(‘folded’) ) { jQuery(“#collapse-menu”).trigger(‘click’); } });