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Douyu Ad Remover

Remove ads on douyu.com

  1. // ==UserScript==
  2. // @name         Douyu Ad Remover
  3. // @namespace    Ad Remover
  4. // @version      0.1
  5. // @description  Remove ads on douyu.com
  6. // @author       X.Zhao
  7. // @grant        none
  8. // @match        http://www.douyutv.com/*
  9. // ==/UserScript==
  10. /* jshint -W097 */
  11. 'use strict';
  12.  
  13. function isEmpty(obj) {
  14.     // null and undefined are "empty"
  15.     if (obj === null || obj === undefined) return true;
  16.     // Assume if it has a length property with a non-zero value
  17.     // that that property is correct.
  18.     if (obj.length > 0)    return false;
  19.     if (obj.length === 0)  return true;
  20.     // Otherwise, does it have any properties of its own?
  21.     // Note that this doesn't handle
  22.     // toString and valueOf enumeration bugs in IE < 9
  23.     for (var key in obj) {
  24.         if (hasOwnProperty.call(obj, key)) return false;
  25.     }
  26.     return true;
  27. }
  28.  
  29. function remover(name, callback) {
  30.     var $ = window.jQuery;
  31.     if (isEmpty($) || isEmpty($(name))) {
  32.         setTimeout(function() {
  33.                 remover(name);
  34.             }, 500);
  35.     } else {
  36.         if (isEmpty(callback)) {
  37.             // default callback is clear html content and set "display: none".
  38.             $(name).html('').hide();
  39.         } else {
  40.             callback($(name));
  41.         }
  42.     }
  43. }
  44.  
  45. function main() {
  46.     remover('#chat-top-ad');
  47.     remover('#js_chat_mem');
  48.     remover('#cq_fans');
  49.     remover('#js_mlist');
  50.     remover('#dy_bottom_shadow');
  51.     remover('#live_videobar');
  52.     remover('.chat-right-ad');
  53.     remove_flash_ad();
  54.         remove_focus();
  55. }
  56.  
  57.  
  58. function remove_focus() {
  59.     var $ = window.jQuery;
  60.     if ($('#live_userinfo #js_share').length === 0) {
  61.         setTimeout(remove_focus, 500);
  62.     } else {
  63.         $('#live_userinfo #js_share').html('').hide();
  64.     }
  65. }
  66.  
  67. function remove_flash_ad() {
  68.     var $ = window.jQuery;
  69.     if ($('#sign_p_15_swf').width() === null) {
  70.         setTimeout(remove_flash_ad, 500);
  71.     } else {
  72.         // alert($('#sign_p_15_swf').width());
  73.         $('#sign_p_15_swf').width(0).height(0);
  74.     }
  75. }
  76.  
  77. main();