Update Factorial of a Number.js

Author: ShivamMaurya2002

JavaScript Interview Programs/Factorial of a Number.js

@@ -1,22 +1,28 @@
 
-// ****************************************************************************** Factorial *******************************************************************************
+// *************************************************************** Generate Factorial of a Number in Different Ways **********************************************************
 
-// 1. Find Factorial of a Number:
-// Find factorial using loop:
-function factorial(n) {
+// 1. Generate Factorial of a Number:
+
+// factorial using for loop:
+function factorial(n) 
+{
     let fact = 1;
-    for (let i = 1; i <= n; i++) {
+    for (let i = 1; i <= n; i++) 
+    {
         fact *= i; // fact = fact * i;
     }
     return fact;
 }
 console.log("Factorial using For Loop:", factorial(5));
 // Output: 
-// Factorial (using For Loop): 120
+// Factorial using For Loop: 120
 
-// 2. Find factorial Using Recursion:
-function factorial(n) {
-    if (n <= 1) return 1;
+// 2. factorial Using Recursion:
+function factorial(n)
+{
+    if (n <= 1){
+        return 1;
+    }
     return n * factorial(n - 1);
 }
 console.log("Factorial using Recursion:", factorial(5));
@@ -25,16 +31,20 @@ console.log("Factorial using Recursion:", factorial(5));
 
 // OR 
 
-// Find factorial Using Recursion:
-function factorial(n) {
-    if (n === 0 || n === 1) {
+// factorial Using Recursion (with If-Else):
+function factorial(n) 
+{
+    if (n === 0 || n === 1) 
+    {
         return 1;
-    } else {
+    } 
+    else 
+    {
         return n * factorial(n - 1);
     }
 }
 const number = 5;
 const result = factorial(number);
-console.log("Factorial of", number, "is", result);
+console.log("Factorial of", number, "is:", result);
 // Output:
-// Factorial using Recursion: 120
+// Factorial of 5 is: 120