HTML5 video speed controller
// ==UserScript==
// @name HTML5 video speed controller and preferred speed adjustment
// @namespace http://tampermonkey.net/
// @version 3.1
// @description HTML5 video speed controller
// @author 我的名字十二个字不信你数
// @include *
// @grant none
// ==/UserScript==
(function () {
'use strict';
var div = document.createElement("div");
div.innerHTML = '<div id="speeddiv" style="position:fixed;left:5px;top:10px;z-index:9999999;font-size:1.5em;display:none"></div>'
document.getElementsByTagName('body')[0].appendChild(div);
var itime='';
document.onkeydown = function (event) {
if(!document.querySelector('video')) return;
event = event || window.event
var fg=false;
if (event.keyCode == 190 && event.ctrlKey) {
document.querySelector('video').playbackRate += 0.1
fg=true
}
if (event.keyCode == 226 && event.ctrlKey) {
document.querySelector('video').playbackRate -= 0.1
fg=true
}
if (event.keyCode == 191 && event.ctrlKey) {
document.querySelector('video').playbackRate += 0.05
fg=true
}
if (event.keyCode == 188 && event.ctrlKey) {
document.querySelector('video').playbackRate = 1
fg=true
}
if (event.keyCode == 192 && event.ctrlKey) {
document.querySelector('video').playbackRate = 1.15
fg=true
}
if (event.keyCode == 219 && event.ctrlKey) {
document.querySelector('video').playbackRate = 1.333333333
fg=true
}
if (event.keyCode == 186 && event.ctrlKey) {
document.querySelector('video').playbackRate = 1.5
fg=true
}
if (event.keyCode == 221 && event.ctrlKey) {
document.querySelector('video').playbackRate = 1.65
fg=true
}
if(fg){
if(itime!==''){
clearTimeout(itime);
}
document.getElementById('speeddiv').style.display='block'
document.getElementById('speeddiv').innerHTML='speed:'+document.querySelector('video').playbackRate.toFixed(2)
itime=setTimeout(function(){
document.getElementById('speeddiv').style.display='none'
},2000)
}
}
// Your code here...
})();