bubble sort

const sortArray = (nums) => {
    
  const arrayLength = nums.length;
  for (let i=0; i < arrayLength; i++) {
      for (let j = 0; j < arrayLength; j++) {
          if(nums[j] > nums[j+1]) {
              let temp = nums[j];
              nums[j] = nums[j+1];
              nums[j+1] = temp;
          }
      }
  }
  return nums;
}

console.log(sortArray([0,1,2,1,2,2,2,1,0]));