A tampermonkey script to filter bad information searching on google

GoogleSearchFilter

// ==UserScript==
// @name         GoogleSearchFilter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  filter google search!
// @author       FaiChou
// @match        https://www.google.com/search*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    var MObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
    var blockRules = /codeday.me|android.stackovernet.com|blog.csdn.net/;
    function filterSearchList() {
      var searchList = document.getElementsByClassName('g');
      var queryNum = searchList.length;
      for (var i = 0; i < queryNum; i++) {
          var item = searchList[i];
          var citeCollection = item.getElementsByTagName('cite');
          if (citeCollection.length !== 0) {
              var innerUrl = citeCollection[0].innerText;
              if (blockRules.test(innerUrl)) {
                  item.remove();
              }
          }
      }
    }
    var observer = new MObserver(filterSearchList);
    observer.observe(document.body, { childList: true });
})();