moment.js – isBetween（）方法不一致

我有一个很好的moment.js代码：

var startDate = '2015-05-06T19:00:00+0300'; moment(startDate).isBetween(moment(), moment().add(30, 'days')); // returns true, that's great! 

但是当我开始重构使其更具可读性时，它无法工作：

 var today = moment(); var startDate = '2015-05-06T19:00:00+0300'; moment(startDate).isBetween(today, today.add(30, 'days')); // returns false.. but why? 

Answer 1

 var today = moment(); var startDate = '2015-05-06T19:00:00+0300'; moment(startDate).isBetween(today, moment(today).add(30, 'days')); 

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