getDay() 方法根据本地时间,返回一个具体日期中一周的第几天,0 表示星期天。

语法

dateObj.getDay()

参数

返回值

getDay() 返回一个整数值: 0 代表星期日, 1 代表星期一,2 代表星期二, 依次类推。

例子

例子:使用getDay方法

下面第二条语句,基于日期对象 Xmas95 的值,把 1 赋值给 weekday。也就是说1995年12月25日是星期一。

var Xmas95 = new Date("December 25, 1995 23:15:00");
var weekday = Xmas95.getDay();

alert(weekday); // 1

规范

规范版本 规范状态 注解
ECMAScript 1st Edition. Implemented in JavaScript 1.0 Standard Initial definition.
ECMAScript 5.1 (ECMA-262)
Date.prototype.getDay
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
Date.prototype.getDay
Standard  

浏览器兼容性

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
getDayChrome Full support YesEdge Full support 12Firefox Full support 1IE Full support YesOpera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android Full support Yesnodejs Full support Yes

Legend

Full support  
Full support

相关链接