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자바스크립트 Date.now()

실시예 1

let ms = Date.now();

정의 및 사용

Date.now() 1970년 1월 1일 이후의 밀리초 수를 반환합니다.

노트

Date.now()는 Date 객체의 정적 메서드입니다.

myDate.now()와 같은 날짜에는 사용할 수 없습니다.

구문은 항상 Date.now()입니다.

실시예 2

1970/01/01 이후 년 수를 계산하십시오.

// Calculate milliseconds in a year
const minute = 1000 * 60;
const hour = minute * 60;
const day = hour * 24;
const year = day * 365;

// Divide Date.now() with a year
let years = Math.round(Date.now() / year);

브라우저 지원

Date.now() ECMAScript5(ES5) 기능입니다.

모든 브라우저에서 완전히 지원되는 ES5(JavaScript 2009):

Chrome IE Edge Firefox Safari Opera
Yes 9-11 Yes Yes Yes Yes


통사론

Date.now()

매개변수

없음

반환 값

번호.

1970년 1월 1일 자정 00:00:00 UTC 이후의 밀리초 수입니다.