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📝 학습 내용 요약
<script>태그의defer와async속성을 통해 HTML 파싱과 스크립트 실행의 관계를 제어할 수 있다는 점이 특히 흥미로웠어요. 기존에는 단순히<body>끝에 스크립트를 두는 게 정석이라고만 생각했는데, 실제 로딩 성능에 영향을 준다는 사실을 체감할 수 있었어요.IntersectionObserverAPI를 사용해 스크롤 위치를 효율적으로 감지하는 방식은 실제 웹사이트 구현 시 매우 유용할 것 같아요.📁 실습 파일 설명
5-1. Script Loading
defer,async동작 차이 실험5-2. ESLint / Prettier 설정
5-3. DOM 조작 실습
parentNode,nextElementSibling), 텍스트 수정,DocumentFragment활용 등5-4. 이벤트 실습
IntersectionObserver비교5-5. 함수 구조화
5-6. 비동기 처리
setTimeout,Promise,fetch,axios를 통한 동기/비동기 실행 흐름 비교🌟 느낀 점 및 피드백 요청 사항