Took me less than one minute ;)
https://github.com/mmikowski/hi_score/tree/master/js/app-tb0...
It is actually an instance of the frameworkless approach he describes in the book above.
https://github.com/mmikowski/hi_score/tree/master/js/app-tb0...
It is actually an instance of the frameworkless approach he describes in the book above.