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React Hook - useMemo
이젠 함수형 컴포넌트에서 Hook을 이용해서 memo를 사용할 수 있다. useMemo는 obj(함수든 객체든 뭐든)와 \[...dependencies] 두가지 인자가 들어간다. useMemo는 dependencies중에 바뀐 값이 있으면 obj를 새로 불러와서 리턴값
2022년 2월 23일
·
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React.memo
todo를 useMemo로 한층 더 최적화 가능하다!?!?그렇다 알고리즘의 memoization 개념을 차용한것이다.사실 todo가 변경될때 , 변경된 todo만 선별적으로 랜더링하면 되는데 변경되지 않은, 아니 변경하지 않아도 되는 다른 todo까지 함께 랜더링 되어
2022년 2월 22일
·
0개의 댓글