<div style="color: #eeffff; background-color: #263238; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;">
<div>function rockScissorPaper2(a, b) {</div>
<div>&nbsp; &nbsp; let answer = [];</div>
<div>&nbsp; &nbsp; for(let i = 0; i &lt; a.length; i++) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; switch(true) {</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case a[i] === b[i]: </div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; answer.push('D');</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case a[i] === 1 &amp;&amp; b[i] === 2:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case a[i] === 2 &amp;&amp; b[i] === 3:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case a[i] === 3 &amp;&amp; b[i] === 1:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; answer.push('B');</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case b[i] === 1 &amp;&amp; a[i] === 2:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case b[i] === 2 &amp;&amp; a[i] === 3:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; case b[i] === 3 &amp;&amp; a[i] === 1:</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; answer.push('A');</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; break;</div>
<div>&nbsp; &nbsp; &nbsp; &nbsp; }</div>
<div>&nbsp; &nbsp; }</div>
<div>&nbsp; &nbsp; console.log(answer);</div>
<div>}</div>
</div>

저는 switch문 파라미터에 a[i] - b[i]를 넣어서 풀었더니 코드가 간단해졌어요!

안녕하세요^^
네. 잘 하신 코드입니다.

인프런 커뮤니티 질문&답변

switch문을 사용해 풀어봤습니다