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1から任意の数までを要素とする配列が作りたいとき[Javascript]

Posted at

普通のやり方

let arr = []
for(let i = 1; i < 100; i++){
    arr.push(i)
}

Arrayオブジェクトの関数を使いたいとき

let arr = Array(100).fill(0).map((v, i) => i + 1)
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