// ==UserScript==// @name YouTube Classic for 2018 (Polymer Disable)// @namespace https://github.com/davidbailey95// @version 0.2.0// @description Redirect YouTube pages to the classic design// @author /u/ndogw and davidbailey95// @match *://www.youtube.com/*// @exclude *://www.youtube.com/embed/*// @run-at document-start// @grant none// ==/UserScript==function changeUrl(url, always) {if (url.indexOf("disable_polymer") === -1) {if (url.indexOf("?") > 0) {url += "&";} else {url += "?";}url += "disable_polymer=1";window.location.href = url;}if (always) {window.location.href = url;}}var url = window.location.href;changeUrl(url);document.addEventListener('DOMContentLoaded', function() {// from https://stackoverflow.com/a/12552017/4247209document.body.onclick = function(e){e = e || event;var from = findParent('a',e.target || e.srcElement);if (from) {var url = from.href;if (!(url.match("/embed/") || url === location.href)) {changeUrl(url, true);return false;}}};//find first parent with tagName [tagname]function findParent(tagname,el){while (el){if ((el.nodeName || el.tagName).toLowerCase()===tagname.toLowerCase()){return el;}el = el.parentNode;}return null;}});