JavaScript中两个日期之间的差异

Question

  

可能重复：
  Calculating the difference between two dates
  What’s the best way to calculate date difference in Javascript

如何在JavaScript中找到两个日期之间的差异？

Answer 1

 return date1 - date2;
 // returns the number of microseconds between the two `Date`s.

Answer 2

http://www.javascriptkit.com/javatutors/datedifference.shtml

Answer 3

你的意思是这样吗？

http://www.mcfedries.com/JavaScript/DaysBetween.asp