From 3667f5adc2c05c352ae21660dee68797eb39180c Mon Sep 17 00:00:00 2001
From: Nazy <nazanin.k.abadi@gmail.com>
Date: Thu, 15 Feb 2018 17:36:08 -0500
Subject: [PATCH] Update js2.html

I think the implementation for Memoization of Fibonacci is not correct. You are not assigning the value for non-existing memo.
---
 js2.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js2.html b/js2.html
index 4c2a2b1..6bc3bc9 100644
--- a/js2.html
+++ b/js2.html
@@ -592,7 +592,7 @@ <h2>17. memoization</h2>
    else if (n &lt; 2){
      return 1;
    }else{
-     _fibonacci(n-2) + _fibonacci(n-1);
+     return memo[n] = _fibonacci(n-2) + _fibonacci(n-1);
    }
 }
         </code></pre>