javascript [26。从排序数组中删除重复项] #tags：leetcode

Posted 2021-05-03

/**
 * @param {number[]} nums
 * @return {number}
 */
var removeDuplicates = function(nums) {
  if (nums.size <= 1) {
    return nums;
  }
  let i = 0;
  for (let j = 1; j < nums.length; ++j) {
    if (nums[i] !== nums[j]) {
      nums[i + 1] = nums[j];
      ++i;
    }
  };
  
  return i + 1;
};