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JavaScript Date setTime()

1970年1月1日に1332403882588ミリ秒を追加します。

const d = new Date();
d.setTime(1332403882588);

以下の「自分で試してみてください」の例をもっと見てください。


定義と使用法

setTime()メソッドは、1970年1月1日の午前0時から指定されたミリ秒数を加算または減算することによって日付と時刻を設定します。


ブラウザのサポート

setTime()ECMAScript1(ES1)機能です。

ES1(JavaScript 1997)は、すべてのブラウザーで完全にサポートされています。

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

構文

Date.setTime(millisec)

パラメータ値

Parameter Description
millisec Required. The number of milliseconds to be added to, or subtracted from, midnight January 1, 1970


技術的な詳細

戻り値: 日付オブジェクトから1970年1月1日午前0時までのミリ秒数を表す数値
JavaScriptバージョン: ECMAScript 1

その他の例

1970年1月1日から1332403882588ミリ秒を減算します。

const d = new Date();
d.setTime(-1332403882588);