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remove anti-adblock for cnbeta

remove red alert top of cnbeta

目前為 2017-12-02 提交的版本，檢視 最新版本。

  1. // ==UserScript==
  2. // @name remove anti-adblock for cnbeta
  3. // @namespace null
  4. // @version 1.2.3
  5. // @description remove red alert top of cnbeta
  6. // @author Anonymous
  7. // @match *://*.cnbeta.com/*
  8. // @grant none
  9. // @run-at document-start
  10. // ==/UserScript==
  11.  
  12. (function (window) {
  13.     var last = +new Date();
  14.     var delay = 100; // default delay
  15.  
  16.     // Manage event queue
  17.     var stack = [];
  18.  
  19.     function callback() {
  20.         var now = +new Date();
  21.         if (now - last > delay) {
  22.             for (var i = 0; i < stack.length; i++) {
  23.                 stack[i]();
  24.             }
  25.             last = now;
  26.         }
  27.     }
  28.  
  29.     // Public interface
  30.     var onDomChange = function (fn, newdelay) {
  31.         if (newdelay) delay = newdelay;
  32.         stack.push(fn);
  33.     };
  34.  
  35.     // Naive approach for compatibility
  36.     function naive() {
  37.  
  38.         var last = document.getElementsByTagName('*');
  39.         var lastlen = last.length;
  40.         var timer = setTimeout(function check() {
  41.  
  42.             // get current state of the document
  43.             var current = document.getElementsByTagName('*');
  44.             var len = current.length;
  45.  
  46.             // if the length is different
  47.             // it's fairly obvious
  48.             if (len != lastlen) {
  49.                 // just make sure the loop finishes early
  50.                 last = [];
  51.             }
  52.  
  53.             // go check every element in order
  54.             for (var i = 0; i < len; i++) {
  55.                 if (current[i] !== last[i]) {
  56.                     callback();
  57.                     last = current;
  58.                     lastlen = len;
  59.                     break;
  60.                 }
  61.             }
  62.  
  63.             // over, and over, and over again
  64.             setTimeout(check, delay);
  65.  
  66.         }, delay);
  67.     }
  68.  
  69.     //
  70.     //  Check for mutation events support
  71.     //
  72.  
  73.     var support = {};
  74.  
  75.     var el = document.documentElement;
  76.     var remain = 3;
  77.  
  78.     // callback for the tests
  79.     function decide() {
  80.         if (support.DOMNodeInserted) {
  81.             window.addEventListener("DOMContentLoaded", function () {
  82.                 if (support.DOMSubtreeModified) { // for FF 3+, Chrome
  83.                     el.addEventListener('DOMSubtreeModified', callback, false);
  84.                 } else { // for FF 2, Safari, Opera 9.6+
  85.                     el.addEventListener('DOMNodeInserted', callback, false);
  86.                     el.addEventListener('DOMNodeRemoved', callback, false);
  87.                 }
  88.             }, false);
  89.         } else if (document.onpropertychange) { // for IE 5.5+
  90.             document.onpropertychange = callback;
  91.         } else { // fallback
  92.             naive();
  93.         }
  94.     }
  95.  
  96.     // checks a particular event
  97.     function test(event) {
  98.         el.addEventListener(event, function fn() {
  99.             support[event] = true;
  100.             el.removeEventListener(event, fn, false);
  101.             if (--remain === 0) decide();
  102.         }, false);
  103.     }
  104.  
  105.     // attach test events
  106.     if (window.addEventListener) {
  107.         test('DOMSubtreeModified');
  108.         test('DOMNodeInserted');
  109.         test('DOMNodeRemoved');
  110.     } else {
  111.         decide();
  112.     }
  113.  
  114.     // do the dummy test
  115.     var dummy = document.createElement("div");
  116.     el.appendChild(dummy);
  117.     el.removeChild(dummy);
  118.  
  119.     // expose
  120.     window.onDomChange = onDomChange;
  121. })(window);
  122.  
  123. function clearAd(){
  124.     var adNodes=document.querySelectorAll('a[href$="/articles/3.htm"]');
  125.     if(adNodes.length>0){
  126.         var ad=adNodes[0];
  127.         var body=document.getElementsByTagName('body')[0];
  128.         var adContainer=ad.parentNode.parentNode.parentNode;
  129.         var mainContainer=adContainer.parentNode;
  130.         mainContainer.removeChild(adContainer);
  131.         body.style="";
  132.     }
  133. }
  134.  
  135. onDomChange(function(){
  136.    clearAd();
  137. });