Date.prototype.getUTCDay() - JavaScript 编辑

The getUTCDay() method returns the day of the week in the specified date according to universal time, where 0 represents Sunday.

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.

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.getUTCDay()

Return value

An integer number corresponding to the day of the week for the given date, according to universal time: 0 for Sunday, 1 for Monday, 2 for Tuesday, and so on.

Examples

Using getUTCDay()

The following example assigns the weekday portion of the current date to the variable weekday.

var today = new Date();
var weekday = today.getUTCDay();

Specifications

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

Browser compatibility

BCD tables only load in the browser

See also

• Date.prototype.getUTCDate()
• Date.prototype.getDay()
• Date.prototype.setUTCDate()