<div class="type-placeholder" style="font-size: 15px; letter-spacing: -0.3px; color: #abb0b5; white-space: pre-wrap;">혹시 잘못된 곳이 있을까요ㅠ</div>
<div class="type-placeholder" style="font-size: 15px; letter-spacing: -0.3px; color: #abb0b5; white-space: pre-wrap;"><img title="스크린샷(2).png" src="https://cdn.inflearn.com/public/files/posts/25de3a49-c689-4ba0-b0a3-0716d38e3f8b/스크린샷(2).png" alt="" width="717" height="431" /></div>

Inflearn コミュニティ Q&A

variableWidth.style.width 실행이 안되는것 같습니다.