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Was delivered within estimated time.
Font-size could have been little bit higher.
Overall feeling nice reading JS-DP.
Thanks Addy Osmani!
Most helpful customer reviews on Amazon.com
I found much of the book helpful, but it suffers from being uneven and unfocused. There are 14 chapters in the book but 80% of the content is in chapters 9 through 13. The first 8 chapters and introductory, repetitive, and short. It would have been better to have a single 10 or 15 page introduction than eight 2 page chapters. Even beginners could safely skip to chapter 9.
The best chapter in the book is chapter 12, "Design Patterns in jQuery." It describes patterns by showing them in use in jQuery, and providing commentary on the actual source. If the entire book had been organized like chapter 12, this would be a five star review.
One nice thing about the book is the many references included. Almost everything was backed up by at least one, sometimes several, blog posts or articles by experts.
The eBook originally had many errors in its diagrams, but O'Reilly has updated it recently, and most of the problems seem to be fixed. I was disappointed with the kindle version which I read on my iPod; I had to switch to the PDF at times to understand the book. Usually O'Reilly creates excellently formatted eBooks, so that was surprising.
There was a lot of good in this book, especially in the later chapters, but I would have a hard time recommending it for purchase, when the content is available online in a searchable form for free.
The sections that were particularly valuable to me include:
- Module patterns
- the MV* comparisons
- "Modern" modular patterns (AMD and CommonJS)
My only complaint about this book is that in some cases the information is specific to particular frameworks or libraries, to a fault. For example, in the section on Module patterns, it covers implementations in several frameworks -- YUI, MooTools, Dojo, etc. But of course frameworks come and go all the time, so I'd rather not have to read them and make a judgement about whether to learn the approach in one or the other framework. In another case, in the PubSub implementation section, the most coverage is given to a specific implementation (Ben Alman's PubSub) but I would have preferred to get more discussion about general implementation approaches (e.g. with a generic, basic implementation) rather than skipping straight into "here's a version with all the bells and whistles" without enough detail about why a particular feature is useful.