283

题目

双指针

var moveZeroes = function(nums) {
  let left = 0, right = 0;
  let len = nums.length;
  while(right < len){
    if(nums[right] !== 0){
      nums[left] = nums[right];
      left++;
    }
    right++;
  }
  for(let i = left; i < len; i++){
    nums[i] = 0;
  }
  return nums;
};