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Youtube Speed at 10x
// ==UserScript==
// @name Youtube Speed Up
// @namespace http://tampermonkey.net/
// @version 0.1.4
// @description Youtube Speed at 10x
// @author me
// @match https://www.youtube.com/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var that = this;
var thatArguments = arguments;
//https://stackoverflow.com/a/52809105----
history.pushState=(function(f){
return function pushState(){
var ret = f.apply(that, thatArguments);
window.dispatchEvent(new Event('pushstate'));
window.dispatchEvent(new Event('locationchange'));
return ret;
}
})(history.pushState);
history.replaceState = (function (f){
return function replaceState(){
var ret = f.apply(that, thatArguments);
window.dispatchEvent(new Event('replacestate'));
window.dispatchEvent(new Event('locationchange'));
return ret;
}
})(history.replaceState);
window.addEventListener('popstate',function(){
window.dispatchEvent(new Event('locationchange'))
});
//https://stackoverflow.com/a/45956628----
//youtube wtf events
//new layout > 2017
window.addEventListener("yt-navigate-finish", function(event) {
window.dispatchEvent(new Event('locationchange'))
});
//old layout < 2017
window.addEventListener("spfdone", function(e) {
window.dispatchEvent(new Event('locationchange'))
});
function updateAvailablePlaybackRates() {
var path = '';
if(typeof _yt_player === "undefined"){
console.log("Something goes wrong with _yt_player variable");
return;
}
//Thanks to him: https://stackoverflow.com/a/48051090
function findAvailablePlaybackRates(objectToSave,prep) {
var count=0;
for(var i in objectToSave){
//Little Fix because they could be null
if(Object.keys(objectToSave)[count] && objectToSave[Object.keys(objectToSave)[count]]){
//function to be injected
if(Object.keys(objectToSave)[count] == "getAvailablePlaybackRates"){
//save the path
path = (prep===""?"":prep+".")+Object.keys(objectToSave)[count];
} else if(objectToSave[Object.keys(objectToSave)[count]]?.prototype?.getAvailablePlaybackRates !== undefined){
//In december 2025 youtube changed something, now it works again with this fix
path = (prep===""?"":prep+".")+Object.keys(objectToSave)[count]+".prototype.getAvailablePlaybackRates";
}
//we can stop here!!
if(path !== '') return;
//Useless for this purpose
//if(objectToSave[i].constructor.name == "Object" || objectToSave[i].constructor.name == "Array")
// findAvailablePlaybackRates(objectToSave[i],prep);
var objOfObj = objectToSave[Object.keys(objectToSave)[count]];
//getAvailablePlaybackRates is hidden somewhere do deeper!!
if( typeof objOfObj !== "undefined" && objectToSave[i].constructor.name == "Function" &&
Object.keys(objOfObj).length !== 0 ){
var incount = 0;
for(var j in objOfObj){
//I don't know but ok JS!
if(typeof objOfObj !== "undefined"){
findAvailablePlaybackRates(objOfObj[j],(prep===""?"":prep+".")+Object.keys(objectToSave)[count]+"."+Object.keys(objOfObj)[incount]);
}
//we can stop here!!
if(path !== '') return;
incount++;
}
}
}
count++;
}
}
findAvailablePlaybackRates(_yt_player,"");
console.log("Path detected at _yt_player."+path);
//recursion to inject a new function!!
function setAvailablePlaybackRates(path,index,splitted) {
if(splitted.length - 1 == index){
//over 8x it's muted!!!!!
path[splitted[index]] = function(){return [0.25,0.5,.75,1,1.25,1.5,1.75,2,2.25,2.5,2.75,3,3.25,3.5,3.75,4,5,6,7,8,9,10]};
//[0.25,0.5,.75,1,1.25,1.5,1.75,2,2.25,2.5,2.75,3,3.25,3.5,3.75,4,4.25,4.5,4.75,5,5.25,5.5,5.75,6,6.25,6.5,6.75,7,7.5,8,8.5,9,9.5,10]};
}else setAvailablePlaybackRates(path[splitted[index]],index+1,splitted);
}
setAvailablePlaybackRates(_yt_player,0,path.split('.'));
}
function runUpdateAvailablePlaybackRates() {
if(typeof _yt_player === "undefined"){
var interval = setInterval(function(){
if(typeof _yt_player !== "undefined"){
clearInterval(interval);
updateAvailablePlaybackRates();
}
},5);
}else{
updateAvailablePlaybackRates();
}
}
function run(){
runUpdateAvailablePlaybackRates();
}
window.addEventListener('locationchange', run);
run();
})();