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。
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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
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