Write Higher Order Arrow Functions

Author: JLB-101

index.js

@@ -1123,4 +1123,15 @@ const increment = (function()  {
 })();
 
 console.log(increment(5,2));
-console.log(increment(5));
+console.log(increment(5));
+
+// Write Higher Order Arrow Functions 
+
+const sum = (function()  {
+    return function sum(x, y, z){
+        const args = [x, y, z];
+        return args.reduce((a,b) => a+b, 0);
+    };
+})();
+
+console.log(sum(1,2,3));