JavaScript setDate() Method: Date Object


The setDate() method is used to set the day of the month for a given date according to local time.


Implemented in JavaScript 1.0




dayValue : An integer from 1 to 31, representing the day of the month.


In the following web document setDate() method sets the day of the month to 23 of a given date.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1" />
<title>JavaScript date object - setDate() method example</title>
<h1 style="color: red">JavaScript date object : setDate() method</h1>
<hr />
<script type="text/javascript">
//This is done to make the following JavaScript code compatible to XHTML. <![CDATA[
user_date = new Date("August 12, 1992 21:20:00")
document.write("Before Date Change : "+user_date+"<BR />")
document.write("After changing Aug. 12 to Aug. 23  : "+user_date+"<BR />")

View the example in the browser

Supported Browser

Internet Explorer 7 Firefox 3.6 Google Chrome 7 Safari 5.0.1 Opera 10
Yes Yes Yes Yes Yes

See also:

JavaScript Core objects, methods, properties.

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