VBScript DateDiff- functie
❮Volledige VBScript-referentieDe functie DateDiff retourneert het aantal intervallen tussen twee datums.
Syntaxis
DateDiff(interval,date1,date2[,firstdayofweek[,firstweekofyear]])
Parameter | Description |
---|---|
interval | Required. The interval you want to use to calculate the
differences between date1 and date2 Can take the following values:
|
date1,date2 | Required. Date expressions. Two dates you want to use in the calculation |
firstdayofweek | Optional. Specifies the day of the week. Can take the following values:
|
firstweekofyear | Optional. Specifies the first week of the year. Can take the following values:
|
Voorbeelden
voorbeeld 1
Het verschil tussen 31 januari 2009 en 31 januari 2010:
<%
fromDate="31-Jan-09 00:00:00"
toDate="31-Jan-10 23:59:00"
response.write(DateDiff("yyyy",fromDate,toDate) & "<br />")
response.write(DateDiff("q",fromDate,toDate) & "<br />")
response.write(DateDiff("m",fromDate,toDate) & "<br />")
response.write(DateDiff("y",fromDate,toDate) & "<br />")
response.write(DateDiff("d",fromDate,toDate) & "<br />")
response.write(DateDiff("w",fromDate,toDate) & "<br />")
response.write(DateDiff("ww",fromDate,toDate) & "<br />")
response.write(DateDiff("h",fromDate,toDate) & "<br />")
response.write(DateDiff("n",fromDate,toDate) & "<br />")
response.write(DateDiff("s",fromDate,toDate) & "<br />")
%>
De uitvoer van de bovenstaande code zal zijn:
1
4
12
365
365
52
53
8783
527039
31622340
Voorbeeld 2
Hoeveel weken (start op maandag),
tussen 31 december 2009 en 31 december 2012:
<%
fromDate=CDate("2009/12/31")
toDate=CDate("2012/12/31")
response.write(DateDiff("w",fromDate,toDate,vbMonday))
%>
De uitvoer van de bovenstaande code zal zijn:
156
❮Volledige VBScript-referentie