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React.jsのprops、state

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props

  • 外部とのやり取りなどに使う
  • 内部では変更しない
  • 子コンポーネントのイベントハンドラなどに使う
  • getDefaultPropsで初期値を入れられる
  • propTypesで値のバリデーションを行うことができる

state

  • 内部情報
  • this.stateを直接変更するのではなく、this.setStateを使う
  • getInitialStateで初期値を入れられる
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