Date.prototype.getMilliseconds()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
getMilliseconds()
方法基於本地時區回傳指定日期的毫秒數。
嘗試一下
const moonLanding = new Date("July 20, 69 00:20:18");
moonLanding.setMilliseconds(123);
console.log(moonLanding.getMilliseconds());
// Expected output: 123
語法
js
getMilliseconds()
返回值
一個基於本地時區表示指定日期的毫秒數、介於 0 至 999 的整數值。
範例
使用 getMilliseconds()
下列範例將當前時間的毫秒數指派給變數 milliseconds
。
js
const today = new Date();
const milliseconds = today.getMilliseconds();
規範
Specification |
---|
ECMAScript® 2025 Language Specification # sec-date.prototype.getmilliseconds |
瀏覽器相容性
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getMilliseconds |
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- Full support
- Full support
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