Rating: 

Part II began teaching me new things since my web development prior to this was primarily XHTML/CSS. David does a good job explaining many of the very frustrating cross browser issues that come with this programming environment. I hate that these issues exist, but I won't shoot the messenger, who remains a gentleman while saying time and again, "With the notable exception of IE." I found just one minor typo, but it was within a code fragment, which is a pet peave of mine.

David does a good job of commenting his code fragments so they are easy to follow.

The last two sections are "Core Javascript" and "Client-side Javascript" references. Many times, an author will muck up the format of a reference; rendering it useless. David and O'Reilly keep the references well organized so that this is a book I now keep close by.

The O'Reilly site has a link to get the book examples (all bundled together), but it was down when I visited it, so I went to David's site and downloaded the examples I most wanted. Hopefully that's a temporary glitch.

Whenever I have needed to find something via the index, I have been successful. Given my high ranking, you already know I am glad I bought this book, so I'll stop here.