setDate()
方法根据本地时间来指定一个日期对象的天数。
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dateObj.setDate(dayValue)
dayValue
如果 dayValue
超出了月份的合理范围,setDate
将会相应地更新 Date
对象。例如,如果为 dayValue
指定0,那么日期就会被设置为上个月的最后一天。
setDate
方法var theBigDay = new Date(1962, 6, 7); // 1962-07-07
theBigDay.setDate(24); // 1962-07-24
theBigDay.setDate(32); // 1962-08-01
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.setDate |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) Date.prototype.setDate |
Standard |
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
setDate | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 1 | IE Full support Yes | Opera Full support Yes | Safari Full support Yes | WebView Android Full support Yes | Chrome Android Full support Yes | Edge Mobile Full support Yes | Firefox Android Full support 4 | Opera Android Full support Yes | Safari iOS Full support Yes | Samsung Internet Android Full support Yes | nodejs Full support Yes |