var parseXml = {  createXmlParser: function () { //IE创建此解析对象    var versions = [      ‘MSXML2.DOMDocument.6.0‘,      ‘MSXML2.DOMDocument.3.0‘,      ‘MSXML2.DOMDocument‘    ];    var xmlParse = null;    for (var i = 0, length = versions.length; i < length; i++) {      try {        xmlParse = new ActiveXObject(versions[i]);        if (xmlParse) {          break;        }      } catch (error) {      }    }    return xmlParse;  },  loadXml: function (xml) {    if (typeof DOMParser != ‘undefined‘) { //非IE      return (new DOMParser()).parseFromString(xml, ‘text/xml‘);    } else if (this.createXmlParse()) { //IE下      return this.createXmlParse().loadXML(xml);    } else {      throw new Error(‘no xml finded‘);    }  }//加载xml文件为DOM文件    };