Automatically pause YouTube HTML5 videos on Youtube
// ==UserScript== // @name YouTube HTML5 AutoPause // @namespace https://greasyfork.org/en/users/13981-chk1 // @description Automatically pause YouTube HTML5 videos on Youtube // @include https://*.youtube.com/watch* // @include http://*.youtube.com/watch* // @version 0.3 // @grant none // @run-at document-end // ==/UserScript== var config = { childList: true, attributes: true, subtree: true, attributeOldValue: true }; var docbody = document.body; var playBtn; var playBtnObserver = new MutationObserver(function(mutations) { mutations.forEach(function(mutation) { if(mutation.type == "attributes"){// && mutation.oldValue == "ytp-play-button ytp-button") { //console.log(mutation); //console.log(playBtn); playBtn.click(); playBtnObserver.disconnect(); } }); }); var bodyObserver = new MutationObserver(function(mutations) { mutations.forEach(function(mutation) { if(mutation.type == "childList" && mutation.addedNodes.length >= 1) { //console.log(mutation); var _playBtn = document.querySelector('.ytp-play-button'); if(_playBtn){ playBtn = _playBtn; bodyObserver.disconnect(); playBtnObserver.observe(playBtn, config); } } }); }); bodyObserver.observe(docbody, config);