Date.prototype.setTime()

setTime() 方法以一个表示从1970-1-1 00:00:00 UTC计时的毫秒数为来为 Date 对象设置时间。

语法

dateObj.setTime(timeValue)

参数

timeValue
一个整数，表示从1970-1-1 00:00:00 UTC开始计时的毫秒数。

返回值

UTC 1970年1月1日00:00:00与更新日期之间的毫秒数（实际上是自变量的值）。

描述

使用 setTime 方法用来把一个日期时间赋值给另一个 Date 对象。

例子

例子：使用setTime

theBigDay = new Date("July 1, 1999");
sameAsBigDay = new Date();
sameAsBigDay.setTime(theBigDay.getTime());

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.setTime		 Standard
ECMAScript 2015 (6th Edition, ECMA-262)
Date.prototype.setTime		 Standard

浏览器兼容性

Update compatibility data on GitHub
DesktopMobileServer
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung InternetNode.js
setTimeChrome 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 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

最后修改：

, by MDN contributors
相关主题
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    5. Date.prototype.getDay()
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    15. Date.prototype.getUTCDay()
    16. Date.prototype.getUTCFullYear()
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    47. Date.prototype.toSource()
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  6. Function
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