From f7e82f8b3b995f049c4b2b8134ee0c25ffdeb32a Mon Sep 17 00:00:00 2001
From: castus <castus.pl@gmail.com>
Date: Fri, 19 Jul 2013 09:50:43 +0200
Subject: [PATCH] Add question about null and undefined

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 88ff402..0ff7a4c 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,7 @@ The majority of the questions were plucked from an [oksoclap](http://oksoclap.co
 function Person(){} var person = Person() var person = new Person()
 ```
 * What's the difference between `.call` and `.apply`?
+* What's the difference between `undefined` and `null`?
 * explain `Function.prototype.bind`?
 * When do you optimize your code?
 * Can you explain how inheritance works in JavaScript?