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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120
러닝 자바스크립트
4.1.8
if
문
이제 거의 다 됐습니다! 돈도 걸었고 주사위도 굴렸습니다. 이제 남은 일은 딴 돈을 가져오는
것뿐입니다.
hand
배열에는 무작위로 선택된 그림
face
이 세 개 있습니다. 따라서
for
루프를 한
번 더 써서 이 중에 맞춘 것이 있는지 알아봐야 합니다.
if
문을 사용하면 됩니다. 이번에는
else
절이 필요 없습니다. 마지막 순서도는 [그림
4
-
6
]과 같습니다.
if
...
else
문과
if
문의 차이를 보십시오.
if
...
else
문에서는 모든 분기가 행동으로 연결됐
지만,
if
문에서는 분기 중 하나만 행동으로 연결됩니다. 이 순서도를 코드로 옮기면 게임이 완
성됩니다.
let
winnings
=
0
;
for
(
let
die
=
0
;
die
<
hand
.
length
;
die
++) {
let
face
=
hand
[
die
];
if
(
bets
[
face
] >
0
)
winnings
=
winnings
+
bets
[
face
];
}
funds
=
funds
+
winnings
;
여기서는
for
루프의 조건을 체크할 때
3
보다 작은지 확인하지 않고
hand
.
length
보다 작은지
확인했습니다 (
3
이긴 합니다만 ). 이 부분의 목적은
맞춘 것이 있는지
체크하는 것입니다. 지금
은 주사위를 세 번 굴리는 것이 게임의 규칙이지만, 규칙이
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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.