date.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
1970年1月1日00:00:00 UTC与更新的日期（实际上是参数的值）之间的毫秒数。
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
Using setTime()
var theBigDay = new Date('July 1, 1999');
var sameAsBigDay = new Date();
sameAsBigDay.setTime(theBigDay.getTime());规格
Specification | Status | Comment |
|---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.0. |
ECMAScript 5.1 (ECMA-262)The definition of 'Date.prototype.setTime' in that specification. | Standard | |
ECMAScript 2015 (6th Edition, ECMA-262)The definition of 'Date.prototype.setTime' in that specification. | Standard | |
ECMAScript Latest Draft (ECMA-262)The definition of 'Date.prototype.setTime' 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) |
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