JavaScript Date setSeconds()

将秒设置为 35：

const d = new Date();
d.setSeconds(35);

下面有更多 "亲自试一试" 示例。

描述

setSeconds() 方法设置日期对象的秒数。

该方法也可用于设置毫秒。

setSeconds()是 ECMAScript1 (ES1) 功能。

所有浏览器均完全支持 ES1 (JavaScript 1997)：


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes

Date.setSeconds( sec, millisec)

Parameter	Description
sec	Required. An integer representing the seconds Expected values are 0-59, but other values are allowed: -1 will result in the last second of the previous minute 60 will result in the first second of the next minute
millisec	Optional. An integer representing the milliseconds Expected values are 0-999, but other values are allowed: -1 will result in the last millisecond of the previous second 1000 will result in the first millisecond of the next second

Parameter

Description

sec

Required. An integer representing the seconds

Expected values are 0-59, but other values are allowed:

millisec

Optional. An integer representing the milliseconds

Expected values are 0-999, but other values are allowed:

返回值：	一个数字，表示日期对象与 1970 年 1 月 1 日午夜之间的毫秒数
JavaScript 版本：	ECMA脚本1