LeetCode - 27 - Remove Element

/**
 * @param {number[]} nums
 * @param {number} val
 * @return {number}
 */
var removeElement = function(nums, val) {
    var index = 0;
    for (const num of nums) {
        if (num != val) {
            nums[index] = num;
            index++;
        }
    }
    return index;
};