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on 26 June 2013
This is a really disappointing book from John Resig (of the jQuery fame). I remember John started to write this book around 2008 or 2009 and sadly the content of the book shows its age. A very large portion of the book (and most chapters) are padded out with little information but lots of examples followed by the same example code with descriptions and then followed by a paragraph or two of description about each of the numbered points in the descripted example.

Going beyond the fact that the example code is repeated reveals that 95% or more of the actual Ninja 'Secrets' are in fact very well known and widely documented JavaScript techniques and features of the language itself (and most of them documented by people like Dougas Crockford back in 2009 with his Yahoo tech-talks).

This book is a disappointment since it feels like a re-hash of much older work which could have been written in a far more concise way (one example with numbered points described in a paragraph).

A bigger problem is the fact that some code examples have very basic errors (such as using '==' instead of '=' when performing a variable assignment) which prevent the code from running and confusing any potential JavaScript student.

Annoyingly every paragraph is filled with the word 'Ninja' or some lame ninja-related phrase and this get old very, very, very quickly to the point were the author(s) seem to be fixated with the word without actually showing any secrets which are NOT from 2009 or before.
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on 23 June 2013
This book provides a great intermediate to advanced coverage of Javascript. (I don't recommend it for absolute beginners). I've also read "Javascript the good parts" by Douglas Crockford, which good but quite short and made the reader work hard to fill in the gaps / understand the examples. Secrets of the JavaScript Ninja is much easier reading and covers the material at a more leisurely pace.
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on 28 April 2016
Good read, and useful book to have! The style of some of the examples is a bit outdated, but understandably so considering the age of the book, the rapid progression of JavaScript and the target audience. I look forward to seeing the new edition being released soon!
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on 10 November 2014
One of the better books I've read covering advanced JavaScript, superb for more experienced developers. Although my JS is very adequate, I found this book great for those little tips and snippets that really assist your JS coding.
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on 2 February 2014
This book has the best visualisations of closures and the Javascript event loop. Things that took me years to fully understand are well written, visualised and explained leaving you with no doubt.
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on 2 January 2015
A must read book for anyone serious about JavaScript. Simple as that.
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on 20 January 2014
Not sure whether it will convert you into a ninja but it definitely covers most of the concepts you will need as a foundation to become one of them! highly recommended!
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on 21 March 2016
Really good book, sometimes it becomes a bit too hard but in the end it learned me a lot.
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on 24 February 2014
Excellent book for those who have covered the basics through other titles and want to delve a little deeper. Thanks to the obvious depth of knowledge of the authors the concepts are explained very well.
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