"use strict"; (function ($) { var SCROLLING_NAVBAR_OFFSET_TOP = 50; $(window).on('scroll', function () { var $navbar = $('.navbar'); if ($navbar.length) { if ($navbar.offset().top > SCROLLING_NAVBAR_OFFSET_TOP) { $('.scrolling-navbar').addClass('top-nav-collapse'); } else { $('.scrolling-navbar').removeClass('top-nav-collapse'); } } }); })(jQuery);