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23.6 자바스크립트 문법 문의 #367

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cloudbaby1991 opened this issue Oct 13, 2022 · 0 comments

cloudbaby1991 commented Oct 13, 2022

쿼리 문 중에 다음과 같은 코드가 있는데

여기서 ... 은 무엇을 의미하나요?

전개문법도 아니고 처음 보는 것 같습니다.

const query = {
...(username ? { 'user.username': username } : {}),
...(tag ? { tags: tag } : {}),
};

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