Use javascript to calculate the number of days between two dates

Source: Internet
Author: User

The difference between computing two time points in ASP can be DateDiff, but it does not exist in javascript and requires a handwritten function.
Js inside can be directly Date1-Date2, and still converted to millisecond time difference calculation.


Copy codeThe Code is as follows:
// Calculate the number of days between two dates
Function DateDiff (sDate1, sDate2) {// The format of sDate1 and sDate2 is 2002-12-18
Var aDate, oDate1, oDate2, iDays
ADate = sDate1.split ("-")
ODate1 = new Date (aDate [1] + '-' + aDate [2] + '-' + aDate [0]) // convert to the 12-18-2002 format
ADate = sDate2.split ("-")
ODate2 = new Date (aDate [1] + '-' + aDate [2] + '-' + aDate [0])
IDays = parseInt (Math. abs (oDate1-oDate2)/1000/60/60/24) // converts the number of milliseconds to the number of days
Return iDays
}

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