JavaScript에서 WeakMap과 Map의 차이점과 가비지 컬렉션 관계를 설명하세요.

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Today's Technical Question

JavaScript에서 WeakMap과 Map의 차이점과 가비지 컬렉션 관계를 설명하세요.

Detail

• Track: CS
• Category: JavaScript
• Follow-up 1: WeakMap의 키로 원시 값을 사용할 수 없는 이유는 무엇인가요?
• Follow-up 2: WeakMap을 활용해 메모리 누수를 방지하는 구체적 사례는 무엇인가요?
• Reference hint: 일반 프론트엔드 핵심 역량
• Reference question: 매일메일

• File: daily-frontend-questions/2026-06-24.md
• Source mode: ai+reference

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