1512-number-of-good-pairs.js

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