LeetCode: Number Of Good Pairs Solution

1var numIdenticalPairs = function (nums) {
2  const N = nums.length
3  let count = 0
4  for (let i = 0; i < N; i++) {
5    for (let j = i + 1; j < N; j++) {
6      if (nums[i] === nums[j]) {
7        count++
8      }
9    }
10  }
11  return count
12}