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Tip of the Day
Language: Web
Expertise: Intermediate
Nov 30, 2001

Validate the Date in Javascript

 
//validation of From Date

//Here FromDay,FromMonth,FromYear & ToDay,ToMonth,_
ToYear are the names of
the form fields corresponding to from date and to _
dates. Assuming that
these are drop down fields on the form.

function validateFromDate()
{
	var dt =
document.formName.FromDay.options_
[formName.FromDay.selectedIndex].value;
	var mon =
document.formName.FromMonth.options_
[formName.FromMonth.selectedIndex].valu
e - 1;
	var yr =
document.formName.FromYear.options_
[formName.FromYear.selectedIndex].value;

//Now construct a Javascript date object

	var now = new Date(yr,mon,dt);
	fromTime = now.getTime();
	if(!(now.getDate() == dt && now.getMonth() _
== mon && now.getFullYear() ==
yr))
	{
		alert("Invalid From Date!!!");
		return false;
	}
	else
	{
		isFromDate = true;
		return true;
	}
}
Manish Nigam
 
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