Date.prototype.getUTCDay()

Date 实例的 getUTCDay() 方法根据世界时间返回该日期是星期几，其中 0 代表星期日。

¥The getUTCDay() method of Date instances returns the day of the week for this date according to universal time, where 0 represents Sunday.

Try it

语法

¥Syntax

js
getUTCDay()

参数

¥Parameters

没有任何。

¥None.

返回值

¥Return value

根据通用时间，对应于给定日期的星期几的整数：0 表示星期日，1 表示星期一，2 表示星期二，依此类推。如果日期是 invalid，则返回 NaN。

¥An integer 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. Returns NaN if the date is invalid.

示例

¥Examples

使用 getUTCDay()

¥Using getUTCDay()

以下示例将当前日期的工作日部分分配给变量 weekday。

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

js
const today = new Date();
const weekday = today.getUTCDay();

规范

Specification
ECMAScript Language Specification
# sec-date.prototype.getutcday

¥Specifications

浏览器兼容性

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¥Browser compatibility

也可以看看

¥See also