SOURCE

function sort(arr) {
  let temp;
  for (let i = 1; i < arr.length; i++) {
    for (let j = i-1; j >=0; j--) {
      if (arr[j+1]<arr[j]) {
        temp=arr[j+1];
        arr[j+1]=arr[j];
        arr[j]=temp;
      }else if (arr[j+1]>=arr[j]) {
        break;
      }
    }
  }
  return arr;
}
const nums = [2, 4, 1, 6, 5, 3, 7];
console.log(sort(nums));