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@langhuanamacha

reactコース＃９

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今日やったこと

・useEffect
・useContext
・useReducer
・カスタムフック

学んだこと

・useEffectの依存配列に入れる値によってレンダリングの回数が変わる
・useContextはpropsのバケツリレーをなくすために使われる
・useReaducerはuseStateの上位互換で複雑な処理をしたいときに使われる

次やること

・138　redux

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