From a9e2a77be15ad1dfab75666f2d262116efece992 Mon Sep 17 00:00:00 2001
From: Mohit Gupta <4mohitu@gmail.com>
Date: Thu, 30 Oct 2025 21:14:42 +0530
Subject: [PATCH] Added factorial function to repo

---
 Basics/factorial.js | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Basics/factorial.js

diff --git a/Basics/factorial.js b/Basics/factorial.js
new file mode 100644
index 0000000..6d0e22d
--- /dev/null
+++ b/Basics/factorial.js
@@ -0,0 +1,17 @@
+function calculateFactorial() {
+  var n = document.getElementById("num").value;
+  var fact = 1;
+
+  if (n < 0) {
+    document.getElementById("result").innerHTML =
+      "Factorial not defined for negative numbers";
+    return;
+  }
+
+  for (var i = 1; i <= n; i++) {
+    fact = fact * i;
+  }
+
+  document.getElementById("result").innerHTML =
+    "Factorial of " + n + " is " + fact;
+}