/**
 * @param {number[]} nums
 * @return {number}
 */
var majorityElement = function(nums) {
    let count = {}
    for (let num of nums) {
        if (count[num]) {
            count[num]++;
        } else {
            count[num] = 1;
        }
    }
    for (let key in count) {
        if (count[key] > nums.length / 2) {
            return +key;
        }
    }
};