From 285d2b08da905496e9fe9c2f31fd3d8501d6893b Mon Sep 17 00:00:00 2001
From: Ejiah <yosapoljittarak@hotmail.com>
Date: Fri, 22 Jan 2021 12:44:52 +0700
Subject: [PATCH] Move the (num > 0) if condition to the end

---
 Maths/Factorial.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Maths/Factorial.js b/Maths/Factorial.js
index c3a0162e4..29b416a67 100644
--- a/Maths/Factorial.js
+++ b/Maths/Factorial.js
@@ -18,11 +18,6 @@ const calcRange = (num) => {
 }
 
 const calcFactorial = (num) => {
-  if (num > 0) {
-    const range = calcRange(num)
-    const factorial = range.reduce((a, c) => a * c, 1)
-    return `The factorial of ${num} is ${factorial}`
-  }
   if (num === 0) {
     return 'The factorial of 0 is 1.'
   }
@@ -32,6 +27,11 @@ const calcFactorial = (num) => {
   if (!num) {
     return 'Sorry, factorial does not exist for null or undefined numbers.'
   }
+  if (num > 0) {
+    const range = calcRange(num)
+    const factorial = range.reduce((a, c) => a * c, 1)
+    return `The factorial of ${num} is ${factorial}`
+  }
 }
 
 export { calcFactorial }