VBScript DateDiff Function
 Complete VBScript Reference
The DateDiff function returns the number of intervals between two dates.
Syntax
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:
- yyyy - Year
- q - Quarter
- m - Month
- y - Day of year
- d - Day
- w - Weekday
- ww - Week of year
- h - Hour
- n - Minute
- s - Second
|
| 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:
- 0 = vbUseSystemDayOfWeek - Use National Language Support (NLS) API
setting
- 1 = vbSunday - Sunday (default)
- 2 = vbMonday - Monday
- 3 = vbTuesday - Tuesday
- 4 = vbWednesday - Wednesday
- 5 = vbThursday - Thursday
- 6 = vbFriday - Friday
- 7 = vbSaturday - Saturday
|
| firstweekofyear |
Optional. Specifies the first week of the year. Can
take the following values:
- 0 = vbUseSystem - Use National Language Support (NLS) API setting
- 1 = vbFirstJan1 - Start with the week in which January 1 occurs
(default)
- 2 = vbFirstFourDays - Start with the week that has at least four days
in the new year
- 3 = vbFirstFullWeek - Start with the first full week of the new year
|
Example 1
document.write(Date & "<br />")
document.write(DateDiff("m",Date,"12/31/2002") & "<br />")
document.write(DateDiff("d",Date,"12/31/2002") & "<br />")
document.write(DateDiff("n",Date,"12/31/2002"))
Output:
1/14/2002
11
351
505440
|
Example 2
document.write(Date & "<br />")
'Note that in the code below
'is date1>date2
document.write(DateDiff("d","12/31/2002",Date))
Output:
1/14/2002
-351
|
Example 3
'How many weeks (start on Monday),
'are left between the current date and 10/10/2002
document.write(Date & "<br />")
document.write(DateDiff("w",Date,"10/10/2002",vbMonday))
Output:
1/14/2002
38
|
Complete VBScript Reference
Reliable, affordable, feature-rich web hosting!
Take the uncertainty out of Web hosting and let
GoDaddy.com
put service, performance and value back in. No matter which
hosting type or plan you choose, your site receives 24/7
maintenance and protection in our world-class data center. Plus,
you get the expert, friendly service you deserve, from the
world's largest hostname provider.
With three plans to choose from and
prices starting at just $4.99 per month, GoDaddy.com is sure to have a plan that's
right-sized and right-priced just for you!
All plans feature FREE 24x7 setup, FREE 24x7 monitoring, best-
of-breed routers, firewalls and servers, 24x7 onsite physical security
and access to our exclusive Go Daddy Hosting Connection, THE place
to install over 30 FREE applications. Virtual Dedicated and Dedicated
Server plans also available.
Visit GoDaddy.com today.
Virtual Dedicated, Dedicated Server and unlimited plans also available.
Save 10% on web hosting - Enter code w3tenoff at checkout
 |
|
Get Your Diploma!
W3Schools' Online Certification Program is the perfect solution for busy
professionals who need to balance work, family, and career building.
The HTML Certificate is for developers who want to document their knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate is for developers who want to document their knowledge of JavaScript and the HTML DOM.
The XML Certificate is for developers who want to document their knowledge of XML, XML DOM and XSLT.
The ASP Certificate is for developers who want to document their knowledge of ASP, SQL, and ADO.
The PHP Certificate is for developers who want to document their knowledge of PHP and SQL (MySQL).
|
|
