// ==UserScript==// @author       @leoncastro// @namespace    https://github.com/leoncastro// @name         youtube-stop-autostart// @version      0.02// @description  Stop autostart videos on youtube// @icon         http://s.ytimg.com/yts/img/favicon_48-vfl1s0rGh.png// @include      /^(https?:)?\/\/(www\.)?youtube\.com\/*.*/// @compatible   firefox+greasemonkey// @compatible   chrome+tampermonkey// @grant        none// @run-at       document-end// ==/UserScript==// v0.01: document.querySelector('#movie_player').cueVideoByPlayerVars(document.querySelector('#movie_player').getVideoData());// v0.02:function ytStopVideo(i){i&&(i=document.querySelector(i))&&i.cueVideoByPlayerVars(i.getVideoData())}if(/^\/(channel|user)\//i.exec(location.pathname)) // '/channel/CHANNEL_ID' or '/user/UserName'(new MutationObserver(function(m){ytStopVideo('#c4-player')})).observe(document.querySelector('#upsell-video'),{childList:true});else // '/watch?v=VIDEO_ID'ytStopVideo('#movie_player');