<div style="color: #d4d4d4; background-color: #1e1e1e; font-family: Consolas, 'Courier New', monospace; font-size: 14px; line-height: 19px; white-space: pre;">
<div><span style="color: #569cd6;">let</span>&nbsp;<span style="color: #9cdcfe;">arr</span>&nbsp;=&nbsp;<span style="color: #4ec9b0;">Array</span>(<span style="color: #b5cea8;">45</span>);</div>
<div><span style="color: #9cdcfe;">console</span>.<span style="color: #dcdcaa;">log</span>(<span style="color: #9cdcfe;">arr</span>);</div>
<br />
<div><span style="color: #c586c0;">for</span>&nbsp;(<span style="color: #569cd6;">let</span>&nbsp;<span style="color: #9cdcfe;">i</span>&nbsp;=&nbsp;<span style="color: #b5cea8;">0</span>;&nbsp;<span style="color: #9cdcfe;">i</span>&nbsp;&lt;&nbsp;<span style="color: #b5cea8;">45</span>;&nbsp;++<span style="color: #9cdcfe;">i</span>)&nbsp;{</div>
<div>&nbsp;&nbsp;<span style="color: #9cdcfe;">arr</span>[<span style="color: #9cdcfe;">i</span>]&nbsp;=&nbsp;<span style="color: #9cdcfe;">i</span>&nbsp;+&nbsp;<span style="color: #b5cea8;">1</span>;</div>
<div>}</div>
</div>

<p>배열을 나중에 점점 더 자주쓰게 되므로 for문보다 forEach를 사용할 일이 더 많아지게 될 것입니다.</p>

인프런 커뮤니티 질문&답변

for문하면 더 간단하게 할 수 있는데 foreach로 보여주신 이유가 무엇인가요???