Date.prototype.setMilliseconds()
Date
实例的 setMilliseconds()
方法根据当地时间更改该日期的毫秒数。
¥The setMilliseconds()
method of Date
instances changes the milliseconds for this date according to local time.
Try it
语法
参数
返回值
¥Return value
就地更改 Date
对象,并返回其新的 timestamp。如果 millisecondsValue
是 NaN
(或获取 coerced 到 NaN
的其他值,例如 undefined
),则日期设置为 失效日期 并返回 NaN
。
¥Changes the Date
object in place, and returns its new timestamp. If millisecondsValue
is NaN
(or other values that get coerced to NaN
, such as undefined
), the date is set to Invalid Date and NaN
is returned.
描述
¥Description
如果你指定的数字超出预期范围,则 Date
对象中的日期信息将相应更新。例如,如果指定 1005,则秒数增加 1,并且使用 5 表示毫秒。
¥If you specify a number outside the expected range, the date information in the Date
object is updated accordingly. For example, if you specify 1005, the number of seconds is incremented by 1, and 5 is used for the milliseconds.
示例
使用 setMilliseconds()
规范
Specification |
---|
ECMAScript Language Specification # sec-date.prototype.setmilliseconds |
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