[Algorithm] 47 week(12.19 ~ 12.25) 2/3

78. Subsets

var subsets = function(nums) {
    const result = [];

    const dfs = (index, path) => {
        result.push(path);

        for(let i = index; i < nums.length; i++){
            dfs(i + 1, [...path, nums[i]]);
        }
    }

    dfs(0, []);

    return result;
};