JavaScript Language
JS Core API
ATF - Above The Fold
BTF - Below The Fold
같이 읽어보면 좋은 글들 :)
https://handhand.tistory.com/entry/React-%EC%9D%B4%EB%B2%A4%ED%8A%B8-%EC%B2%98%EB%A6%AC%EB%B0%A9%EC%8B%9D%EA%B3%BC-SyntheticEvent