User:Admin-shahadat/common.js

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$(document).ready(function() {
  var nav = $('#mw-panel'); // Select the sidebar panel or modify as needed
  $(window).scroll(function() {
    if ($(this).scrollTop() > 100) {
      nav.addClass('sticky');
    } else {
      nav.removeClass('sticky');
    }
  });
});

$(document).ready(function() {
  $('#p-navigation ul').addClass('dropdown'); // Select the navigation bar
});