이 거짓 같은 값으로 시작하면 루프 바디는 한 번도 실행되지 않습니다. 이제 자바스크립트를
봅시다.
let
remaining
=
totalBet
;
do
{
let
bet
=
rand
(
1
,
remaining
);
let
face
=
randFace
();
bets
[
face
] =
bets
[
face
] +
bet
;
remaining
=
remaining
-
bet
;
}
while
(
remaining
>
0
);
4.1.7
for
루프
토마스는 이번 판에 걸 돈을 다 걸었습니다! 이제 주사위를 굴릴 시간입니다.
for
루프는 대단히 유연하며
while
루프나
do
...
while
루프는 모두
for
루프로 고쳐 쓸 수 있
습니다. 하지만
for
루프가 가장 잘 어울리는 경우는 어떤 일을 정해진 숫자만큼 반복하려 할
때, 특히 그 일을 지금 몇 번째 하는지 알아야 할 때입니다. 즉, 주사위를 정해진 숫자만큼(여
기서는 세 번) 굴릴 때도
for
루프가 가장 알맞습니다. 순서도부터 그려 봅시다. [그림
4
-
5
]를
보십시오.
119
4
장
제어문
그림
4-5
크라운 앤 ...
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