Customer Rating:  
Summary: Definitely a Definitive Guide - But Is That What You Want?
Comment: If you're looking for a complete reference on the JavaScript programming language, this is it. This book teaches the JavaScript language from the ground up and includes a very complete reference section.On the other hand, if all you want is to write or understand JavaScript in its most common use - providing a little more dynamic content in web pages than can be done with html alone - the book may be overkill. For example, in addition to the useful sections on client side JavaScript - the JavaScript that you include in your web pages to be run in the client's browser - there are even larger sections that are really only useful for server side JavaScript - as if anyone uses JavaScript on the server side. As an experienced C, C++, and Java programmer, I had to wade through quite a bit of redundant material before I could effectively use the book to answer the simple questions I had. In addition, some critical issues about using client side JavaScript are omitted from the book. For example, there is a chapter on security, but it only covers security issues applicable to the user - that with modern browsers, it's pretty safe for the user to allow JavaScripts to run. Issues pertaining to the security of the web site and the server it runs on - far more important to someone writing JavaScript code - are omitted. The book even provides a very unsafe example of allowing a client side script to calculate sales tax, which if used would make it easy for someone to tell your site he owed less tax than he really did, leaving the website owner holding the bag. It would have been better to include these server security issues and omit the client security issues. Still, this book will let you find the answers to your questions, even if it does take longer than it seems like it should.
Customer Rating:
Summary: A very good reference book, a good learning tool
Comment: If you have some programming background, this book is pretty easy to follow. My web programming skill was only simple HTML. Then I had a big assignment dealing with HTML forms and a lot of JavaScript. I read this book and played around with it. JavaScript would be pretty easy if you know Java or C++.
Customer Rating:
Summary: Lets be clear about this ... WOW
Comment: I've been working with JS for some time and have a good understanding of the structure and syntax but this book advanced my skills in the first 3 chapters! Great book for intermediate and even advanced developers who need a review. I also recommend that beginning "scripters" shouldn't shy away from this book. While the instruction is a tad advanced, the foundation given in the book is invaluable!
Customer Rating:
Summary: Must Have Reference, Especially for VB Programmers
Comment: In order to program the client/browser side of any WEB application one must understand both the brower object model and the JScript language. I'm more then 10 years out of C programming and the Java thing makes me yawn.This book explains the browser object and JScript language in an extremely useful manner. The theory pages do not waste my time and do not insult my intellegence. The reference pages get to the point. VB programmers with no C experience will find this book very accesable.
Customer Rating:
Summary: Superb Reference
Comment: This is a wonderful reference book. Not for the beginner but the quality examples and the entire demonstrate concept is truly wonderful. This is done without being to fundamental or dry. It covers the basic important appearance of JavaScript that you would expect in any book covering a progress language. The explanation of questions you may have are already answered. The reading goes by quickly and you just seem to understand what the author is saying.
I highly recommend this book to all programers.
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