[mattdeboard]

There is are a couple appendices at the end that discuss the truly terrible and the simply bad-but-work-aroundable parts. Most of it is discusses the subset of the language that is powerful and expressive. He starts the book off by saying "Javascript is a steaming pile of good intentions" which pretty much sets the tone for the rest of the book.

You should read it. It IS very short and can be read in one sitting. Then you wouldn't be left to trust the word of others.