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High Performance JavaScript (Build Faster Web Application Interfaces) Paperback – March 30, 2010

ISBN-13: 978-0596802790 ISBN-10: 059680279X Edition: 1st

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Product Details

  • Series: Build Faster Web Application Interfaces
  • Paperback: 242 pages
  • Publisher: O'Reilly Media; 1st edition (March 30, 2010)
  • Language: English
  • ISBN-10: 059680279X
  • ISBN-13: 978-0596802790
  • Product Dimensions: 9.1 x 6.9 x 0.6 inches
  • Shipping Weight: 13.6 ounces (View shipping rates and policies)
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (27 customer reviews)
  • Amazon Best Sellers Rank: #121,874 in Books (See Top 100 in Books)

Editorial Reviews

Book Description

Build Faster Web Application Interfaces

About the Author

Nicholas C. Zakas is a Web Software Engineer who specializes in user interface design and implementation for Web applications using JavaScript, Dynamic HTML, CSS, XML, and XSLT. He is currently principal front end engineer for the Yahoo! homepage and is a contributor to the Yahoo! User Interface (YUI) library, having written the Cookie Utility, Profiler, and YUI Test.



Nicholas is the author of Professional JavaScript for Web Developers and a co-author on Professional Ajax, and has contributed to other books. He has also written several online articles for WebReference, Sitepoint, and the YUI Blog.



Nicholas regularly gives talks about Web development, JavaScript, and best practices. He has given talks at companies such as Yahoo!, LinkedIn, Google, and NASA, and conferences such as the Ajax Experience, the Rich Web Experience, and Velocity.



Through his writing and speaking, Nicholas seeks to teach others the valuable lessons he's learned while working on some of the most popular and demanding Web applications in the world.



For more information on Nicholas: http://www.nczonline.net/about/


More About the Author

Nicholas C. Zakas is a front-end consultant who specializes in user interface design and implementation for web applications using JavaScript, Dynamic HTML, CSS, XML, and XSLT. Has has 15 years of web development experience and spent nearly five years at Yahoo! in various roles, including principal front end engineer for the Yahoo! homepage and contributor to the Yahoo! User Interface (YUI) library, having written the Cookie Utility, Profiler, and YUI Test.

Nicholas is the author of Professional JavaScript for Web Developers and High Performance JavaScript, a co-author on Professional Ajax, and a contributor to Even Faster Web Sites. He has also written for several online sites such as WebReference, Sitepoint, the YUI Blog, A List Apart, and the Web Performance Advent Calendar.

Nicholas regularly gives talks about web development, JavaScript, and best practices. He has given talks at companies such as Yahoo!, LinkedIn, Google, Netflix, TripAdvisor, and NASA, and conferences such as the Ajax Experience, the Rich Web Experience, OSCON, WebDirections, Fronteers, and Velocity.

Through his writing and speaking, Nicholas seeks to teach others the valuable lessons he's learned while working on some of the most popular and demanding web applications in the world. He firmly believes that no difficult problem should need to be solved more than once.

Customer Reviews

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I would highly recommend this book to the intermediate JS developer.
Eitan Konigsburg
This book is a good reference on how to optimize JavaScript applications and also an interesting read in case you want to know how things work "under the hood".
Miller Medeiros
Even though the context is still websites, the insights it offers can easily be applied to any realm in which JavaScript performance is a concern.
David Waller

Most Helpful Customer Reviews

31 of 31 people found the following review helpful By Miller Medeiros on April 2, 2010
Format: Paperback Verified Purchase
This book is a good reference on how to optimize JavaScript applications and also an interesting read in case you want to know how things work "under the hood".

Many of the techniques presented also works for other programming languages (and are well-known performance tricks) and can be used without increasing too much the code complexity, which is a huge gain, you're not just becoming a better JavaScript developer but also a better developer.

One thing that should be clear is that this book is NOT intended for BEGINNERS, since it already presumes that you have a good knowledge and experience with JS programming.

If you already read Professional JavaScript for Web Developers (Wrox Programmer to Programmer) (also written by Zakas), High Performance Web Sites: Essential Knowledge for Front-End Engineers and Even Faster Web Sites: Performance Best Practices for Web Developers you will find that some of the techniques were already present on those books, so if you're up-to-date with the new technologies/tools and been researching about the subject probably you already know a good part of what this book has to teach, nevertheless it still a nice and interesting read since it explains how the JavaScript engines work and why those techniques are faster, the fact that it is concise is a big plus too.
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29 of 31 people found the following review helpful By R. Friesel Jr. on April 13, 2010
Format: Paperback Verified Purchase
While reading Nicholas Zakas' "High Performance JavaScript", it occurred to me that there were actually two different reviews that I wanted to write. So, rather than try to reconcile them into one review, I'll simply apply them here as an ordered list.

(1) To continue with the JavaScript University metaphor (from my review of Zakas' Professional JavaScript for Web Developers (Wrox Programmer to Programmer)): Finals are coming up in Prof. Crockford's upper-division JavaScript class. You've been a diligent student all semester and although you're not failing, it always seems like you're somewhere in the middle of the pack. You want desperately to ace the final exam, so you reach out for some help. Zakas (the graduate student/teaching assistant for the class) offers to show you the thesis he is working on. Then It hits you like a bolt from the blue -- every bit of it resonates with you. "It's so simple! so clear!" you exclaim. The inner machinations of the language snap together in a way that makes it all feel new and exciting -- the possibilities are boundless! You go back over your notes. You were close -- oh so close -- the whole time. But the last little bits drop in. A refinement here, a re-factor there... and the next thing you know, things are blazing. Your pages load 60% faster, execution time is down an average of 40%. You're amazed at yourself. And when the grades for the final exam come back, you're pleased to see that you aced it (aside from that little Oops on scoping closures -- but you try to think of that as a conscious trade-off). Prof.
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12 of 12 people found the following review helpful By David Waller on April 30, 2010
Format: Paperback
Having found Nicholas Zakas' blog to be an excellent resource on JavaScript insights, I was very much looking forward to this book. The fact that he'd also enlisted a whole cast of frontend rock stars to contribute chapters didn't do much to damper my excitement, so I was childishly happy when the book finally knocked on my door!

The title of the book is of course a throwback to Steve Souders' epitomous High Performance Web Sites: Essential Knowledge for Front-End Engineers, released a few years back by the same publisher. In much the same way it covers all aspects of performance in its chosen realm. That book gained Souders much appraise for making the web developer community at large aware of the various performance issues connected to the frontend, and how & why optimizing time was better spent there than on the backend which had previously been the prime target for such efforts. Last year Souders piggybacked on that appraise by releasing a sequel titled Even Faster Web Sites: Performance Best Practices for Web Developers (EFWS), where he - along with a group of co-authors, including Zakas - delved even deeper into frontend performance.

Souders' first book touched on JavaScript here and there, but in EFWS it plays a much more dominant role, being the focus of half of the chapters. Even though the context is still websites, the insights it offers can easily be applied to any realm in which JavaScript performance is a concern.
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