[Shreyash]: Added code to print factorial of entered number

Author: shreyashdj

Repetition Problems/For Loop/Factorial.js

@@ -0,0 +1,13 @@
+/*
+    Write a program that computes a factorial of a number taken as input.
+    5 Factorial => 5! = 1 * 2 * 3 * 4 * 5
+*/
+
+const prompt = require("prompt-sync")();
+console.log();
+let number = parseInt(prompt(" Enter the number : "))
+let factorial = 1;
+for (let i = 1; i <= number; i++) {
+    factorial = factorial * i;
+}
+console.log(" Factorial of " + number + " = " + factorial + "\n");