// select video element var vid = document.getElementById('v0'); //var vid = $('#v0')[0]; // jquery option // pause video on load vid.pause(); // alternative & optimized implementation thanks to http://codepen.io/daveroma/ window.onscroll = function(){ vid.currentTime = window.pageYOffset/400; }; var filterFromQuerystring = getParameterByName('filter'); $('a[data-filter=".' + filterFromQuerystring + '"]').click();