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スプレッド構文について

Posted at

スプレッド構文とは

  • 配列の値を展開する
  • 引数を配列として取得する

を行うことができる。

今回は展開するパターンの例

const a = [1,2,3,4,5]
const max = Math.max(...a)
console.log(max)

Math.maxメソッドは複数の値から最大を返すメソッド。
https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Math/max
一つ一つ設定すると大変なので、配列を...で展開するのがスマート

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