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Consistent with other members of Peachpit's Visual QuickStart Guide series, this title makes wise use of side-by-side explanations and screen shots, as well as code snippets and their analysis. This approach gives readers the feeling that the authors are sitting by their side and showing them how to code scripts. Most subjects are handled with numbered steps, such as "Validating Zip Codes", and useful tips punctuate the text.
The book introduces the whole concept of JavaScript in a fast-moving but readable chapter and then moves into solving real-world challenges. The authors do a good job of covering JavaScript's capabilities, from eye-catching graphics tricks to data-entry form processing and cookie management. Particularly enjoyable is the way the book spells out many of the differences between Netscape and Microsoft dynamic HTML approaches.
The JavaScript object model is laid out in an appendix, along with object compatibility between various browser flavours. To complement the book, the publisher offers a Web site that makes all of the example code easily downloadable for your use. This is a great little guide for both busy coders and JavaScript novices. --Stephen W. Plain --This text refers to an alternate Paperback edition.
There are lots of practical examples and there is a companion site on-line where you can check out the examples and access the code for copy and pasting.
Since there are so many different ways to do things with JavaScript, you may or may not like the choices the authors make in the examples but you can't go far wrong imitating their style.
The language is clear and easy for me to understand, which really helps.
Javascript can be really frustrating compared to some other languages because there is zero tolerance for error and the error messages generated are of such little help in identifying the problem. The tips this book offers on debugging are worth way more than the price of the book!