Fix Responsive mobile menu

Question

I have a menu from Hongkiat. I want to add to my site for having a mobile menu, because the actual one displays a basic dropdown that i don't like.

But this throws me error, something with height:

Here is the fiddle: http://jsfiddle.net/Ub8Az/

Answer 1

jQuery missing, updated jsfiddle

 $(function() {
      ----
      menu = $('ul.clearfix2');
      ----

});