factorial

Author: nilajcoder

Programs/DSA/factorial.js

@@ -0,0 +1,21 @@
+/*
+
+5. WAP in js factorial
+
+5 =120
+*/
+
+
+
+
+function factorial(num) {
+
+    if (num === 0 || num === 1) {
+
+        return 1
+    } else {
+
+        return num * factorial(num - 1)
+    }
+}
+console.log(factorial(5))//120