Update Factorial.js

Author: ShivamMaurya2002

JavaScript Interview Programs/Factorial.js

@@ -1,8 +1,8 @@
 
 // ******************************************************** Factorial **************************************************
 
-// 1. Factorial of a number:
-// Using For Loop:
+// 1. Find Factorial of a Number:
+// Find factorial using loop:
 function factorial(n) {
     let fact = 1;
     for (let i = 1; i <= n; i++) {
@@ -11,3 +11,16 @@ function factorial(n) {
     return fact;
 }
 console.log("Factorial (using For Loop):", factorial(5));
+// Output: 
+// Factorial (using For Loop): 120
+
+// OR
+
+// Find factorial Using Recursion:
+function factorial(n) {
+    if (n <= 1) return 1;
+    return n * factorialRec(n - 1);
+}
+console.log("Factorial using Recursion:", factorial(5));
+// Output:
+// Factorial using Recursion: 120