Customer Rating: 
Summary: Javascript Reference
Comment: Arrived in specified time, no issues. Use the book all the time. Pretty good reference.
Customer Rating:
Summary: The Future is here.
Comment: The future is Javascript. Being a Microsoft technologies fanatic, I always wanted to make use of the AJAX library. My javascript needed some brusing and this was the book I went after. The complete reference, and a good companion to HTML/XHTML Complete Reference. David Flaganan's book is good too. Both deserve 5 stars.
Customer Rating: 
Summary: A decent book
Comment: This is a fairly comprehensive book. This is not the best "beginner" book. The "beginner" info is in there - but it's mixed with so much advanced stuff that it can seem overwhelming. If you have previous experience, there's a lot of good stuff here. This is an excellent "second book."
Customer Rating:
Summary: thorough coverage of the language
Comment: The text is a very good and complete explanation of JavaScript. It describes the best usage of JavaScript with the latest common browsers at the time of writing (early 2004). There are numerous examples which express the programming ideas in a simple fashion.
If you have programmed in other languages, JavaScript should be an easy learn with this book. Programs written in it tend not to be very long, as they are associated with a single web page. While JavaScript deals nicely with the various objects in a browser, like a window or document, the programs tend to have a procedural flavour.
Customer Rating:
Summary: Not a a very good language guide
Comment: The book is pleasantly written and easy to read, but unfortunately there are some important ommissions as far as describing the JavaScript language itself.
Inheritence is barely mentioned. There is no explanation at all of how to invoke the parent constructor with parameters.
Exceptions are not explained at all in the first part of the book, which is the language guide. Instead they are mentioned at the very end - in the applied programming examples.
There is no good explanation of the internal logic of the language - why certain things are as they are and how they fit together.
Considering the recent trend of writing full blown JavaScript applications, there is a lot to be desired.
The book is much better as a guide to applying simple JavaScript. It covers a wide variety of topics in sufficient detail - DHTML, XMLHTTPRequest, etc. The example scripts do not seem to be production quality, but they serve the purpose of illustrating the ideas well enough.
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