JavaScript Date setDate() method

The JavaScript date setDate() method sets the date value for the particular date on the basis of local time.

Syntax:

dateObj.setDate(new_Date);

Parameters:
new_Date: Integer value between 1 to 31.

Example:

<!DOCTYPE html>
<html>
<body>
<script>   	 
var bday =new Date("March 13, 1987 21:00:10");  
document.writeln(bday.getDate() + "<br>");  
bday.setDate(23);  
document.writeln(bday.getDate());  
</script>  
</body>
</html>

Output:

13
23
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