☰

YouTube Playlist Time

Adds a timestamp of all videos' time combined.

当前为 2015-08-14 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        YouTube Playlist Time
  3. // @namespace   YouTube Playlist Time
  4. // @description Adds a timestamp of all videos' time combined.
  5. // @author      kriscross07
  6. // @include     *.youtube.com/playlist*
  7. // @version     1.1
  8. // @grant       none
  9. // @run-at      document-start
  10. // ==/UserScript==
  11.  
  12. addEventListener('DOMContentLoaded',function(e){
  13.   var stamps=document.querySelectorAll('.timestamp>span'),button=document.createElement('button'),span=document.createElement('span'),mins=0;
  14.  
  15.   button.innerHTML='Update Time';
  16.   button.onclick=updateTime;
  17.  
  18.   button.setAttribute('class','yt-uix-button yt-uix-button-playlist-action yt-uix-button-default yt-uix-button-size-default');
  19.   document.querySelector('.playlist-actions').appendChild(button);
  20.   document.querySelector('.playlist-actions').appendChild(span);
  21.   updateTime();
  22.   
  23.   function updateTime(){
  24.     mins=0;
  25.     for(var i=0;i<stamps.length;i++){
  26.       var min=stamps[i].innerHTML.split(':');
  27.       mins+=min[1]>=30?parseInt(min[0])+1:parseInt(min[0]);
  28.     }
  29.     span.innerHTML=mins>60?(mins/60).toFixed(1)+' hours.':mins+' minutes.';
  30.   }
  31. });