从日期添加/减去日期不会正确地更改年/月 [英] Adding/Subtracting days from a date doesn't change the year/month correctly
本文介绍了从日期添加/减去日期不会正确地更改年/月的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如果我的日期是 2011-01-02
,我从那个日期减去 7
天应该给我 2010-12-26
,而是给我 2011-01-26
?
If I have a date that is 2011-01-02
and I subtract 7
days from that date it should give me 2010-12-26
, but instead it gives me 2011-01-26
?
请参阅以下链接以验证链接:
See the JS below to verify with link:
var date = new Date('2011','01','02');
alert('the original date is '+date);
var newdate = new Date(date);
newdate = newdate.setDate(newdate.getDate() - 7);
var nd = new Date(newdate);
alert('the new date is '+nd);
推荐答案
我想你打算这样做:(工作完美)
I think you meant to do this: (working perfectly)
var date = new Date('2011','01','02');
alert('the original date is '+date);
var newdate = new Date(date);
newdate.setDate(newdate.getDate() - 7);
var nd = new Date(newdate);
alert('the new date is '+nd);
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