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JavaScript setMonth() Method


Date Object Reference JavaScript Date Object

Definition and Usage

The setMonth() method is used to set the month.

Syntax

dateObject.setMonth(month,day)

Parameter Description
month Required. A numeric value between 0 and 11 representing the month
day Optional. A numeric value between 1 and 31 representing the day


Tips and Notes

Note: The value set by setMonth() is a number between 0 and 11. January is 0, February is 1 and so on.

Note: This method is always used in conjunction with a Date object.


Examples

Example 1

Set the month to 0 (January):

<script type="text/javascript">

var d=new Date();
d.setMonth(0);
document.write(d);

</script>

The output of the code above will be:


Try it yourself »

Example 2

Set the month to 0 (January) and the day to 20:

<script type="text/javascript">

var d=new Date();
d.setMonth(0,20);
document.write(d);

</script>

The output of the code above will be:


Try it yourself »


Date Object Reference JavaScript Date Object

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