回答編集履歴
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions
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[https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions)
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions
test
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arrow functionを使わずに、普通のfunctionで試してみて下さい。
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# 追記
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> アロー関数式 は、function 式より短い構文で、this, arguments, super, new.target を束縛しません。アロー関数式は、メソッドでない関数に最適で、コンストラクタとして使うことはできません。
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/arrow_functions
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