Remove spam <spans> in sina news
// ==UserScript==
// @name SinaRemoveSpam
// @namespace SinaRemoveSpam
// @description Remove spam <spans> in sina news
// @include http://*.sina.com.cn/*.shtml
// @version 1
// @grant none
// ==/UserScript==
var artibody = document.getElementById('artibody');
var pattern = new RegExp("\\.\\w+{background-color:#FFFFFF");
var className = pattern.exec(artibody.innerHTML)[0].match(/\w+/);
var nodeList = document.getElementsByClassName(className);
for (i=0; i<nodeList.length; i++){
nodeList[i].innerHTML = '';
}