const selectionSort = arr => {
  for (let i of arr.keys()) {
    let minimumIndex = i

    for (let j = i + 1; j < arr.length; j++) {
      if (arr[j] < arr[minimumIndex]) {
        minimumIndex = j
      }
    }

    [arr[i], arr[minimumIndex]] = [arr[minimumIndex], arr[i]]
  }

  return arr
}