JavaScript Date setDate()

const d = new Date();
d.setDate(15);

Description

setDate() sets the day of the month of a date.

Set the day of the month to the last day of the previous month:

const d = new Date();
d.setDate(0);

Set the day of the month in a specified date:

const d = new Date("July 21, 1983 01:15:00");
d.setDate(15);

setDate() is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes

Date.setDate( day)

day

An integer representing the day (1 to 31).

Higher and lower values are handeled with date maths:

A number.

Number of milliseconds between the date and January 1, 1970 00:00:00 UTC.