July 2017
Beginner to intermediate
464 pages
10h 38m
Korean
Content preview from 러닝 자바스크립트: ES6로 제대로 입문하는 모던 자바스크립트 웹 개발
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319
15
장
날짜와 시간
는지 나타내는 숫자입니다.
1
자바스크립트는 보통 이 숫자를 사람이 읽기 편한 그레고리력 날
짜로 변환합니다. 숫자형 표현이 필요하면
valueOf
()
메서드를 쓰면 됩니다.
const
d
=
new
Date
();
console
.
log
(
d
); // 타임존이 들어간 그레고리력 날짜
console
.
log
(
d
.
valueOf
()); // 유닉스 타임스탬프
15.2
Date
객체 만들기
Date
객체는 네 가지 방법으로 만들 수 있습니다. 바로 앞에서 사용한 것처럼 매개변수 없이 호
출하면 현재 날짜에 해당하는
Date
객체를 반환합니다. 문자열을 제공하면 자바스크립트는 그
문자열을 해석해서 그에 맞는 날짜를 반환하려 합니다. 숫자를 넣으면 유닉스 타임스탬프로 해
석합니다. 예제를 보십시오.
// 아래 결과는 해당 지역의 표준시에 따라 다를 수 있습니다.
new
Date
(); // 현재 날짜
// 자바스크립트의 월은
0
으로 시작합니다. 즉
0
은
1
월이고,
1
은
2
월입니다.
new
Date
(
2015
,
0
); //
2015
년
1
월
1
일
0
시
new
Date
(
2015
,
1
); //
2015
년
2
월
1
일
0
시
new
Date
(
2015
,
1
,
14
); //
2015
년
2
월
14
일
0
시
new
Date
(
2015 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.