その Usestate と Useeffect, 本当に必要？ #むずかしくないreact #春日部つむぎ
Synopsis
ある状態が変わったときに、もう１つの状態も変わってほしい」そんなときには useEffect を使わずに React の仕組みに乗っかる ...
![I've been using useState haphazardly, but now I understand the meaning behind it. [useRef]](https://i.ytimg.com/vi/HprqFdU4O5c/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLBkQmvUzsXoJ2hP5-j8AoeaeAZugw)
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