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C # tutorial
Set the month to 4 (May)
The setMonth() method sets the month of a date object.
This method can also be used to set the day of the month.
setMonth()
is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
Chrome | IE | Edge | Firefox | Safari | Opera |
Yes | Yes | Yes | Yes | Yes | Yes |
Parameter | Description |
---|---|
month | Required. An integer representing the month
Expected values are 0-11, but other values are allowed:
|
day | Optional. An integer representing the day of month
Expected values are 1-31, but other values are allowed:
If the month has 31 days:
If the month has 30 days:
|
Return Value: | A Number, representing the number of milliseconds between the date object and midnight January 1 1970 |
---|---|
JavaScript Version: | ECMAScript 1 |
Set the month to 4 (May) and the day to 20:
const d = new Date();
d.setMonth(4, 20);
Set the date to the last day of last month:
const d = new Date();
d.setMonth(d.getMonth(), 0);