JavaScript setDate() Method
Example
Set the day of the month:
var d = new Date();
d.setDate(15);
The result of d will be:
Try it yourself »
More "Try it Yourself" examples below.
Definition and Usage
The setDate() method sets the day of the month to the date object.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| setDate() | Yes | Yes | Yes | Yes | Yes | 
Syntax
Date.setDate(day)
Parameter Values
| Parameter | Description | 
|---|---|
| day | Required. An integer representing the day of a month. Expected values are 1-31, but other values are allowed: 
 If the month has 31 days: 
 If the month has 30 days: 
 | 
Technical Details
| Return Value: | A Number, representing the number of milliseconds between the date object and midnight January 1 1970 | 
|---|---|
| JavaScript Version: | 1.0 | 
 
More Examples
Example
Set the day of the month to be the last day of the previous month:
var d = new Date();
d.setDate(0);
The result of d will be:
Try it yourself »
Example
Set the day of the month, to a specified date:
var d = new Date("July 21, 1983 01:15:00");
d.setDate(15);
The result of d will be:
Try it yourself »
 JavaScript Date Object
 JavaScript Date Object

