selectionSort.js

const selectionSort = (nums) => {
  for (let i = 0; i < nums.length - 1; i++) {
    let smallest = nums[i]
    let swapIndex = i
    for (let j = i + 1; j < nums.length; j++) {
      if (nums[j] < smallest) {
        smallest = nums[j];
        swapIndex = j
      }
    }

    if (i !== swapIndex) {
      const tmp = nums[i]
      nums[i] = smallest
      nums[swapIndex] = tmp
    }
  }

  return nums
}