Javascript 将日期添加到 Date 对象

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时间:2020-08-23 23:59:29  来源:igfitidea点击:

Add day(s) to a Date object

javascript

提问by iLemming

Possible Duplicate:
How to add number of days to today's date?

可能的重复:
如何将天数添加到今天的日期?

I'm confused, I found so many different approaches, and which of them is actually correct?

我很困惑,我发现了这么多不同的方法,其中哪一个实际上是正确的?

So what is the correct way to add day(s) to a given Date?

那么将日期添加到给定日期的正确方法是什么?

回答by nobody

date.setTime( date.getTime() + days * 86400000 );

回答by user710502

Note: Use it if calculating / adding days from current date.

注意:如果从当前日期计算/添加天数,使用它。

Be aware: this answer has issues (see comments)

请注意:这个答案有问题(见评论)

var myDate = new Date();
myDate.setDate(myDate.getDate() + AddDaysHere);

It should be like

它应该像

var newDate = new Date(date.setTime( date.getTime() + days * 86400000 ));

var newDate = new Date(date.setTime( date.getTime() + days * 86400000 ));