Another update from ingydotnet^djgoku

2015-11-18 06:14:39 +00:00 · 2015-11-18 06:14:39 +00:00 · 948b86eafa
commit 948b86eafa
parent 91df62d461
7604 changed files with 108452 additions and 22726 deletions
--- a/Task/Factorial/JavaScript/factorial-2.js
+++ b/Task/Factorial/JavaScript/factorial-2.js
@ -1,3 +1,11 @@
-function factorial(n) {
-    return n < 2 ? 1 : n * factorial(n - 1);
-}
+(function(x) {
+
+  var memo = {};
+
+  function factorial(n) {
+    return n < 2 ? 1 : memo[n] || (memo[n] = n * factorial(n - 1));
+  }
+
+  return factorial(x);
+
+})(18);