Customer Review

0 of 2 people found the following review helpful
5.0 out of 5 stars Excellent book on ExtJS v3, 29 July 2011
This review is from: Ext JS in Action (Paperback)
One other reviewer wrote: "There is major changes in Ext JS v4 which makes this book obsolete!". So he bought wrong book and just because of that downrated it.

It so happens that I have worked with Ext JS v3 for months now and found this book not obsolete but invaluable. When I bought it my knowledge about JavaScript was minimal (this is, however, something this book will not teach you) and I knew nothing at all about ExtJS (this is what the book is about and excels at explaining to you).

I have read the whole book by now and it paid for itself many times over. I was learning from scratch starting with simple widgets and following clear examples and explanations of these examples. Every line of code (available online for download) that represents something new was explained. I really liked a clear explanation of event flow within the DOM in a chapter that was more about how stuff works under the hood rather than just how to build things. As I was covering chapters within the book I was able to create more complex structures. Finally the book gave explanation of concepts like drag'n'drop, plugins, or how to make your code reusable. Many of the features I haven't put into use yet but when the time comes I will know where to find them.

As for extras, you get electronic versions of this book in pdf, epub and mobi formats. There is also a forum where you can meet the author and discuss problems you may encounter. Actually it is quite full of knowledge so the answers to most of your questions are probably already there, it was like that in my case anyway. One necessary extras is the errata, get it (it is on the forum) before you read the book, will save you time and hair.

This is one of the best books I have read (and read in full, a rarity) and I'm looking forward to buying ExtJS v4 edition of it. I hope there will be one...
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Showing 1-3 of 3 posts in this discussion
Initial post: 1 May 2012 12:51:10 BDT
Last edited by the author on 1 May 2012 12:51:39 BDT
You will note that I said "This book covers Ext JS v3, and is excellent in that regard. Very detailed examples, well explained and illustrated. Screenshots and source code all well annotated. This is by far the best book to date published on Ext JS." You are no doubt also aware that the latest version of ExtJS is v4.1 and at the time of the reveiw it was v4. In that regard, v3 is obsolete.

You state that I "..bought wrong book and just because of that downrated it." The reality is that I purchased this on pre order prior to publication, but due to the continual delay in publication when it eventually arrived the subject matter had been superseded.

I suggest you spend your efforts in reviewing on the book itself as opposed to the reviews of other people.

In reply to an earlier post on 1 May 2012 19:52:19 BDT
Highlighting a fact is one thing and making general statements like that the book is obsolete is another. If you think that it is excellent why 3 stars then?

I suggest you spend your efforts in reviewing the book itself as opposed to the publishing process.

In reply to an earlier post on 21 May 2012 21:07:12 BDT
The relevancy of the book hinges on the speed of publishing. In this case the delay in publishing lets the book down as when it reached print, it was out dated. This is why it got 3 stars.
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