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4 of 4 people found the following review helpful
5.0 out of 5 stars Must-read for all professional web developers, 16 Nov 2011
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This review is from: Professional JavaScript for Web Developers (Wrox Programmer to Programmer) (Paperback)
As a sometime web developer I bought the first edition of this book some years ago and even at the time it helped me realise how pitiful my understanding of JavaScript was. I recently purchased the 2nd edition on Kindle and it remains utterly invaluable.

It's written in quite an academic style without being dry, patronising, or smug. The underlying message of the book is that JavaScript is a 'proper' programming language with as well-established a set of patterns and tools as any other. Several chapters are given over to explaining core concepts such as variable scope, function declarations, and (very importantly) object-oriented programming in JavaScript. It is worth purchasing just for the best practice approach that it advocates (with clear examples). I particularly like the way that the author details the steps leading up a particular best practice (done brilliantly in the chapters on objects and inheritance). It is important to stress that this is not some abstract waffle, it is real-world stuff that you can use in professional web development projects.

Coverage of the BOM, DOM, and related eventing, is thorough, including the quirks of different browsers. Admittedly a lot of this is subsumed by toolsets such as jQuery, but it is very useful to understand what JavaScript can actually do in the browser. Also, although scant coverage is given to the full power of Ajax, this doesn't undermine the value of the book (and there is a chapter on the XMLHttpRequest which gives more than enough information to get started). There are also excellent chapters on maintainability, performancec, best practices, and third-party frameworks.

I really can't recommend this book enough. Given the amount of hacked and inline code I regularly see, this needs to be read by more developers.
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