array shuffle in js

shuffle.js

function shuffle(arr) {
  const {acc} = arr.reduce(
    ({acc, current}) => {
      const index = Math.round(Math.random() * (current.length - 1))
      const item = current[index]

      current.splice(index, 1)
      return {acc: [...acc, item], current}
    },
    {acc: [], current: [...arr]}
  )

  return acc
}

const original = [1, 2, 3, 4, 5]

console.log({original})
console.log({shuffle: shuffle(original)})