@@ -0,0 +1,16 @@
+const helper = function(ret, temp, index, nums) {
+    for (let i = index+1; i < nums.length; i++) {
+        const newTemp = [...temp, nums[i]];
+        ret.push(newTemp);
+        helper(ret, newTemp, i, nums);
+    }
+}
+
+var subsets = function(nums) {
+    // Recursively
+    const ret = [[]];
+    helper(ret, [], -1, nums);
+    return ret;
+};
+
+console.log(subsets([1,2,3]))