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【React】関数コンポーネントのイベントハンドラに、引数とイベントオブジェクトを同時に渡す方法

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結論

以下で可能です。

function App() {
  function handleClick(suffix, e) {
    console.log('suffix', suffix);
    console.log('e', e);
  }

  return (
    <a href="#" onClick={handleClick.bind(this, 'a')}>
      React
    </a>
  );
}

bindメソッドならイベントオブジェクトが末尾に与えられます。関数コンポーネントなのでthis.handleClick.bind()ではなくhandleClick.bind()にする必要があります。

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