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Disable HTML5 Videos autoplay/preload

Prevent webbrowser from automatically playing/downloading HTML5 videos

当前为 2016-03-28 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name        Disable HTML5 Videos autoplay/preload
  3. // @description Prevent webbrowser from automatically playing/downloading HTML5 videos
  4. // @namespace   default
  5. // @include     *
  6. // @exclude     http*://www.youtube.com/*
  7. // @version     1.1
  8. // @grant       none
  9. // @author      Ramast Magdy (ramast dot com at gmail dot com)
  10. // ==/UserScript==
  11.  
  12. void(function() {
  13.     var prevent_autoplay = function() {
  14.         var videos = document.getElementsByTagName("video");
  15.         var video;
  16.         for (var i=0; i < videos.length; i++) {
  17.             video = videos[i];
  18.             video.removeAttribute("autoplay");
  19.             video.removeAttribute("autobuffer");
  20.             video.setAttribute("preload", "metadata");
  21.             video.pause();
  22.         }
  23.     };
  24.     // after 0.3, 1, 2 and 4 seconds
  25.     // This is because sometimes video is loaded through some JS code
  26.     setTimeout(prevent_autoplay, 300);
  27.     setTimeout(prevent_autoplay, 1000);
  28.     setTimeout(prevent_autoplay, 2000);
  29.     setTimeout(prevent_autoplay, 4000);
  30. }());