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.

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语法

¥Syntax

js
setUTCMilliseconds(millisecondsValue)

参数

¥Parameters

millisecondsValue

0 到 999 之间的整数,表示毫秒。

返回值

¥Return value

就地更改 Date 对象,并返回其新的 timestamp。如果 millisecondsValueNaN(或获取 coercedNaN 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

¥Examples

使用 setUTCMilliseconds()

¥Using setUTCMilliseconds()

js
const theBigDay = new Date();
theBigDay.setUTCMilliseconds(500);

规范

Specification
ECMAScript Language Specification
# sec-date.prototype.setutcmilliseconds

¥Specifications

浏览器兼容性

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¥Browser compatibility

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