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WeakSet 인스턴스의 add() 메서드는 이 WeakSet의 끝에 새로운 객체를 추가합니다.
반드시 객체이거나 등록되지 않은 심볼이어야 합니다. WeakSet 컬렉션에 추가될 값입니다.
WeakSet 객체.
value가 객체가 아니거나 등록되지 않은 심볼일 경우 발생합니다.
| ECMAScript® 2027 Language Specification # sec-weakset.prototype.add |
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This page was last modified on 2025년 2월 11일 by MDN contributors.
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