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2022년 6월 29일Article

var의 빈자리를 채운 let·const, 블록 레벨 스코프 정리

var의 문제점을 짚으면서 ES6의 let·const가 어떻게 블록 레벨 스코프와 TDZ로 그 공백을 메웠는지 책을 따라가며 정리했다.

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