If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view
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// ==UserScript==
// @name Youtube - Restore Classic
// @version 1.0.2
// @description If youtube is in the new 2017 YouTube Material Redesign, automatically restore classic view
// @author Cpt_mathix
// @match https://www.youtube.com
// @include https://www.youtube.com/*
// @license GPL version 2 or any later version; http://www.gnu.org/licenses/gpl-2.0.txt
// @namespace https://greasyfork.org/users/16080
// @run-at document-start
// @grant none
// @noframes
// ==/UserScript==
(function() {
replaceCookie("PREF");
function replaceCookie(name) {
if (document.cookie) {
var match = document.cookie.match(RegExp('(?:^|;\\s*)' + name + '=([^;]*)'));
if (match && match[1]) {
match = match[1];
console.log("current PREF cookie: " + match);
if (match.search(/f6=(8|9)(&|;)/) === -1) {
if (match.search(/f6=.+(&|;)/) === -1) {
document.cookie = "PREF=" + match + "&f6=8" + ";path=/;domain=.youtube.com";
} else if (match.search(/f6=.+(&|;)/) !== -1) {
document.cookie = "PREF=" + match.replace(/f6=.+(&|;)/, 'f6=8&') + ";path=/;domain=.youtube.com";
}
location.reload();
}
} else {
console.log("PREF cookie not found");
}
} else {
console.log("document.cookie not supported for your browser or you do not allow cookies at all");
}
}
})();