Date.prototype.setUTCDate() - JavaScript 编辑

The setUTCDate() method sets the day of the month for a specified date according to universal time.

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The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

Syntax

dateObj.setUTCDate(dayValue)

Parameters

dayValue

An integer from 1 to 31, representing the day of the month.

Return value

The number of milliseconds between 1 January 1970 00:00:00 UTC and the updated date.

Description

If a parameter you specify is outside of the expected range, setUTCDate() attempts to update the date information in the Date object accordingly. For example, if you use 40 for dayValue, and the month stored in the Date object is June, the day will be changed to 10 and the month will be incremented to July.

Examples

Using setUTCDate()

var theBigDay = new Date();
theBigDay.setUTCDate(20);

Specifications

Specification
ECMAScript (ECMA-262) The definition of 'Date.prototype.setUTCDate' in that specification.

Browser compatibility

BCD tables only load in the browser

See also

• Date.prototype.getUTCDate()
• Date.prototype.setDate()