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javascript関数ドリル 初級編initial関数の実相のアウトプット

Last updated at Posted at 2020-09-11

##initial関数の課題内容
詳細はこちら
   ↓
https://js-drills.com/blog/initial/

##initial関数の取り組む前の状態
配列の一番初めに何かをするのかと思った

##initial関数に取り組んだ後の状態
popメソットが配列の最後を取り除くことが分かった

##initial関数の実装コード(答えを見る前)
実行できませんでした

##initial関数の実装コード(答えを見た後)

function initial(array) {
  const copiedArray = [...array];
  copiedArray.pop();

  return copiedArray;
}

const numbers = [1, 2, 3];
console.log( initial(numbers) );
// => [1, 2]

console.log('number : ', numbers);
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