JavaScript Date setDate()
Example 1
Set the day of the month in a specified date:
const d = new Date("2025-01-15");
d.setDate(20);
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Description
setDate() sets the day of the month of a date.
Example 2
Set the day of the month to the last day of the previous month:
const d = new Date("2025-01-15");
d.setDate(0);
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Example 3
Set the day to the first day in the next month:
const d = new Date("2025-01-15");
d.setDate(32);
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Syntax
Date.setDate(day)
Parameters
| day | An integer representing the day (1 to 31).
Higher and lower values are handeled with date maths:
|
Return Value
| NONE
Changes the Date object in place. |
Browser Support
setDate() is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
