Date.prototype.setUTCMilliseconds()
Date
实例的 setUTCMilliseconds()
方法根据世界时间更改该日期的毫秒数。
¥The setUTCMilliseconds()
method of Date
instances changes the milliseconds for this date according to universal 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
如果你指定的参数超出预期范围,setUTCMilliseconds()
会尝试相应地更新 Date
对象中的日期信息。例如,如果对 millisecondsValue
使用 1100,则 Date
对象中存储的秒数将增加 1,毫秒将使用 100。
¥If a parameter you specify is outside of the expected range,
setUTCMilliseconds()
attempts to update the date information in the
Date
object accordingly. For example, if you use 1100 for
millisecondsValue
, the seconds stored in the Date
object will be incremented by 1, and 100 will be used for milliseconds.
示例
使用 setUTCMilliseconds()
规范
Specification |
---|
ECMAScript Language Specification # sec-date.prototype.setutcmilliseconds |
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