date.getUTCDay
date.getUTCDay
该getUTCDay()方法根据世界时间返回指定日期中的星期几，其中0表示星期日。
语法
dateObj.getUTCDay()
返回值
对应于指定日期的星期几的整数，根据通用时间：星期日为0，星期一为1，星期二为2，依此类推。
例子
使用 getUTCDay()
以下示例将当前日期的工作日部分分配给变量weekday。
var today = new Date(
var weekday = today.getUTCDay(
规格
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.3. |
| ECMAScript 5.1 (ECMA-262)The definition of 'Date.prototype.getUTCDay' in that specification. | Standard | |
| ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'Date.prototype.getUTCDay' in that specification. | Standard | |
| ECMAScript Latest Draft (ECMA-262)The definition of 'Date.prototype.getUTCDay' in that specification. | Draft | |
浏览器兼容性
| Feature | Chrome | Firefox | Edge | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
|---|---|---|---|---|---|---|---|
| Basic Support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
