# 4.2.7 for…of 루프

* 배열, 이터러블 객체에 모두 사용할 수 있는 범용적인 루프
* 배열에 루프를 실행해야 하지만 **각 요소의 인덱스를 알 필요 없을 때 사용**하면 됌
* 인덱스를 알아야한다면 일반적인 for 루프 사용해야함


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