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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113
4
장
제어문
들므로, 합하면
1
이 늘어납니다. 결국
funds
는
100
이 되고 루프는 끝납니다.
제어문에는 블록을 쓰는 것이 일반적이지만 꼭 그래야 하는 건 아닙니다. 예를 들어
100
이 될
때까지 계속
2
를 더하기만 한다면 블록 문을 쓰지 않아도 됩니다.
let
funds
=
50
; // 시작 조건
while
(
funds
>
1
&&
funds
<
100
)
funds
=
funds
+
2
;
4.1.3
공백
대부분의 경우 자바스크립트는 줄바꿈 문자
2
를 포함해, 추가 공백을 신경 쓰지 않습니다. 스페
이스 하나는 스페이스
10
개나 마찬가지고, 스페이스
10
개나 빈 줄
10
개나 마찬가지입니다. 그
렇다고 해서 공백을 아무렇게나 쓰라는 말은 아닙니다. 예를 들어 앞에서 쓴
while
문은 다음
코드와 동등합니다.
while
(
funds
>
1
&&
funds
<
100
)
funds
=
funds
+
2
;
하지만 이 코드는 두 문 사이에 어떤 연관이 있다는 느낌을 주지 않습니다. 이런 코드는 오해의
소지가 다분하므로 피해야 합니다. 다음 코드도 같은 일을 하는데, 이런 스타일은 비교적 흔히
쓰이는 편이며 모호해 보이지도 않습니다.
// 줄바꿈이 없습니다.
while
(
funds
>
1
&&
funds
<
100
)
funds
=
funds
+
2
;
// 줄바꿈 없이 문 하나를 ...
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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.