Array Partition LeetCode solution in JavaScript

1
var arrayPairSum = function (nums) {
2
  nums.sort((a, b) => a - b);
3
  let total = 0;
4
  for (let i = 0; i < nums.length; i += 2) {
5
    total += Math.min(nums[i], nums[i + 1]);
6
  }
7
  return total;
8
};