Solution.js

/**
 * @param {number[]} nums
 * @return {number}
 */
var majorityElement = function (nums) {
    let cnt = 0,
        m = 0;
    for (const v of nums) {
        if (cnt == 0) {
            m = v;
            cnt = 1;
        } else {
            cnt += m == v ? 1 : -1;
        }
    }
    return m;
};