如何从时刻对象获取时区偏移量?

我有Object的时候定义为:

 var moment = require('moment'); moment('2015-12-20T12:00:00+02:00'); 

当我打印它时,我得到:

 _d: Sun Dec 20 2015 12:00:00 GMT+0200 (EET) _f: "YYYY-MM-DDTHH:mm:ssZ" _i: "2015-12-20T12:00:00+02:00" _isAMomentObject: true _isUTC: false _locale: r _pf: Object _tzm: 120 

如何正确的获取_tzm ? (假设它在几分钟内抵消)

谢谢,

只要访问属性就像你在任何对象

 var result = moment('2015-12-20T12:00:00+02:00'); document.body.innerHTML = result._tzm; 
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.11.1/moment.min.js"></script>