使用外库 https://github.com/abdmob/x2js 解析xml2json.

在web端正常，移植到小程序就报错了。错误如下：

thirdScriptError

Cannot read property 'ActiveXObject' of undefined;at api getLocation success callback function

TypeError: Cannot read property 'ActiveXObject' of undefined

    at Object.parseXmlString (http://1074917368.appservice.open.weixin.qq.com/utils/xml2json.js:425:27)

    at Object.xml_str2json (http://1074917368.appservice.open.weixin.qq.com/utils/xml2json.js:481:22)

    at Object.SearchParkInfo (http://1074917368.appservice.open.weixin.qq.com/app.js:31:36)

    at Function.success (http://1074917368.appservice.open.weixin.qq.com/app.js:44:17)

    at Object.success (http://1074917368.appservice.open.weixin.qq.com/WAService.js:3:6898)

    at http://1074917368.appservice.open.weixin.qq.com/WAService.js:4:8110

    at Object.u [as 0.16555421337887521] (http://1074917368.appservice.open.weixin.qq.com/asdebug.js:1:14219)

    at i (http://1074917368.appservice.open.weixin.qq.com/asdebug.js:1:13547)

    at p (http://1074917368.appservice.open.weixin.qq.com/asdebug.js:1:4336)

    at http://1074917368.appservice.open.weixin.qq.com/asdebug.js:1:5158

请问我该怎么解决啊？谢谢各位。