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JS 配列のN個からN個までを取り出す

JavaScript

Posted at 2020-07-27

Lodashのslice関数を作成してみた

const slice = (array = [], start = 0, end = array.length) => {
  const newArray = []
  for (let i = start; i < end; i++) {
    newArray.push(array[i])
  }
  return newArray
}

console.log(slice([1, 2, 3, 4, 5], 1, 4))
// => [ 2, 3, 4 ]

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