Flagrant Badassery

A JavaScript and regular expression centric blog

Five Free Copies of Upcoming O’Reilly Book ‘High Performance JavaScript’

Update (2010-02-25): This contest is now closed.

Book cover: High Performance JavaScript

Last year, Yahoo! engineer and all-around JavaScript badass Nicholas Zakas asked if I was interested in writing a chapter for a new book on JavaScript performance that he was working on. I agreed, and that book, High Performance JavaScript, is now available for preorder at Amazon and other fine book retailers.

In addition to the wide-ranging content by Nicholas and a chapter on string and regular expression performance by yours truly, chapters were also contributed by an awesome lineup of JavaScript performance gurus: Ross Harmes, Julien Lecomte, Stoyan Stefanov, and Matt Sweeney. This book is unique in its laser-focus on optimizing the performance of your JavaScript applications, and covers many advanced topics in the process. The chapter on strings and regular expressions provides what I think is easily the most in-depth coverage of cross-browser JavaScript regex performance currently available.

Here's the list of chapters:

  1. Loading and Execution
  2. Data Access
  3. DOM Scripting (Stoyan Stefanov)
  4. Algorithms and Flow Control
  5. Strings and Regular Expressions (Steven Levithan)
  6. Responsive Interfaces
  7. Ajax (Ross Harmes)
  8. Programming Practices
  9. Build and Deployment (Julien Lecomte)
  10. Tools (Matt Sweeney)

To celebrate the completion of this book, I'm giving away three copies. O'Reilly Media increased the offer to five books! All you need to do is comment on this post by February 24th, and I'll pick five people to send a copy to as soon as it's released (Amazon says March 15th). If you prefer, I'd be happy to send you a copy of Regular Expressions Cookbook instead (please note which book you want in your comment). Four winners will be chosen at random from the pool of unique commenters (I'll be tracking IPs), and the fifth based on the reason given for why you want a copy.

Make sure to include your email address in the comment form, since I'll need it to contact you if you're selected (your email address won't be used for any other purpose). Good luck, and congratulations to Nicholas Zakas and all the other authors on completing a fantastic new book!

Edit (2010-02-05): My blog has been offline more often than not for the first two days after posting this, and many people have reported that they were unable to post a comment. I apologize for the screw-up—my blog is now on a different server, and the problems should be resolved. Please try again!

Edit (2010-02-08): O'Reilly Media kindly offered to pick up the tab for this giveaway, and increased the winnings to five books!

Edit (2010-02-09): Nicholas Zakas posted more information about High Performance JavaScript on his blog: Announcing High Performance JavaScript.

Edit (2010-02-25): This contest is now closed. Winners will be announced here shortly.

Edit (2010-03-03): Following are the winners of this giveaway (the first four were chosen randomly):

  1. David Henderson
  2. Daniel Trebbien
  3. Lea Verou
  4. Stefan "schnalle" Schallerl
  5. Adam Crabtree

No. 5 Adam Crabtree, who wants to review the book and share it with members of the DallasJS Meetup Group, wins the nonrandom drawing for the best reason to win a copy. Runners up for this selection were Yoav, who promised to donate the book to a high school library after he's done with it; Nick Carter, who threatened me with his wrath if he doesn't win (I'll have to endure); Paul Irish, who kindly offered to have my last name corrected (to that of a sea monster) in exchange for winning; Alexei, a technical editor of a couple of Nicholas Zakas's previous books who'd like to know how many errors this one contains; and Marcel Korpel, who wants to improve his users' health by reducing the "headaches, general stress and insomnia" they suffer while waiting on his websites. :)

The winners have been informed by email about how to collect their prize. Thanks to everyone for playing!

There Are 286 Responses So Far. »

  1. What ? Accelerating our JS code ? But… you want MSIE back ??????? (mwhahaha, this is a stupid comment)

  2. yeah, count me in.

    Congratulations to the authors. Looking forward to learn many new things by reading this book.

  3. Have never won a lottery but I really want that book.

  4. I’d love a copy of the book. I’d also love it if you posted more on this blog. I got a ruch of excitement when I saw this appear in my Google Reader, and all you have to offer is free stuff, how disappointing ;-)

  5. <3 JavaScript

  6. I’d love to get this book for free – I promise to donate it to a high school library when I’m done with it

  7. Having recently moved I can provide an excellent home for either of these fine O’Reilly titles; a dry dust-free environment in which a book can enjoy a long and fulfilling life full of owner love and appreciation.

    I ♥
    print

  8. Looks like a cool book. Count me in :)

  9. Rock on. I’ve enjoyed your writing thus far, can’t wait to get if a read. I’ll pick it up even if luck passes me by. Keep up with the good work.

  10. I’m all in for the Regular Expressions Cookbook :)

  11. My girlfriend thinks I’m nuts when she lies in bed reading a romance novel and I’m reading a new programming book, I can’t help it, my thirst for knowledge is unstoppable… gimme gimme :P

  12. This one surely looks good. Count me in on this lottery !
    Congratulations.

  13. Both of these books are some of the very few books I actually want to own. Your regex-fu is indeed more powerful than my own.

    eBook is the only format I want. iPad compatible ideally ;)

    Any clue if either of these books is going to be available in iBooks?

  14. Congrats on finishing this book.

    I am interested in the high performance javascript book. O’reilly books are my bread and butter in the programming world. This book would be a fantastic addition to that collection.

    Thanks!

  15. Sweet, count me in for HPJ.

  16. Excellent, looks like a great title, looking forward to picking it up. And hey, a free copy would be even better, thanks. :)

  17. Yet another O’Reilly book I definitely want to own.

  18. I’d love to improve my Javascript skills; so I’m in for HPJ.

  19. Sounds like a great book, will make a great complement to Javascript; the Definitive Guide. Looking forward to reading the book. If selected I prefer the High Performance Javascript book either way I plan on adding this book to my library. Thanks

    Steve

  20. Would love a copy of High Performance JavaScript. Congrats on completion of the book.

  21. Many congratulations. Javascript is becoming a language which every webdeveloper
    needs to master. Please count me in for the javascript book.

  22. @lennym, thanks. ;-) I know, I know, I’ve been neglecting my blog for too long…

    @Thomas Aylott, I might be able to get a PDF eBook to people, if that’s what they want. I don’t know what O’Reilly’s plans are for iBooks, but they’re currently selling some of their books for Kindle.

    And thanks, everyone else, for the congrats and kind words!

  23. Would love to win a copy of ‘High Performance JavaScript’. Well, I wouldn’t mind the ‘Regular Expressions Cookbook’ either, but I have more need in improving my knowledge about JavaScript performance at the moment.

  24. I’m in !

    Hopefully i’ll be able to inject inline asm into my templates !

  25. If random algorithm choice my, definitely i want “Regular Expressions Cookbook”.

    Regards.

  26. Look forward to this book. I really hope there’s a chapter outlining the performance benefits of using alert().

  27. Sounds like a great book, will make a great complement to Javascript; the Good Parts. Looking forward to reading the book. If selected I prefer the High Performance Javascript book either way I plan on adding this book to my library. Thanks.

  28. I look forward to reading your new book. Its always good to see how you can improve on an the cookbook. I have used it in a number of my classes. Its very good resource to support the concepts of just what javascript can accomplish.

  29. i want one! weee!

  30. The books sounds awesome. I hope it’s a success! :)

  31. Got a copy of the Regex Cookbook in December — nice tome! looking forward to HPJ, as well.

  32. Time to pimp our JavaScript!

  33. I would love a copy of your book when it comes out. I’ve read Crockford’s “Javascript: The Good Parts” and Souders’ “High Performance Websites,” and this sounds like the perfect complement to the knowledge contained therein.

    Congratulations on completing your book!

  34. Woo! JavaScript FTW!

  35. Congratulations :)

    I want a copy for our office so I can convince them that books are worthwhile after all!

  36. Well, I think that your book would be a great read based on the table of content. However, you only mentioned amazon, that may limit it’s spread.

  37. Don’t have a creative/unique comment, so, I’m hoping for a chance at that random drawing ;) Btw, HPJS!

  38. I look forward to improving my Javascript skills.

  39. Being a full time web developer and with more of my work moving into web applications I would love a (signed?) copy of ‘High performance Javascript’.

    Nothing better for a commute than a good book in hand to get excited about work for the day.

  40. I’ll definitely be buying it but if I win it that’s even better…

  41. JavaScript is easily the most enjoyable language that I work with. Back before the turn of the millennium, I started working with JavaScript hard core; doing AJAX long before the term was coined and realizing just how much easier my life was now that IE5 had XHR (the last time I ever said I loved Explorer).

    Getting some high performance techniques will definitely be helpful.

    And I’m of Dutch descent so, you know, a free book is always a good thing. If you have one on collecting coffee spoons or grooming corgies for a day at Wimbledon, I’d take one of those too as a matter of principal. ;)

  42. Fingers crossed

  43. I’m always looking for solid publications which allow me to chastise my colleagues for their inefficient JavaScript.

  44. This will make a nice addition to my burgeoning JavaScript book collection; currently at one title.

  45. sweet, count me in for the High Performance Javascript, two of my favorite topics

  46. Hope to read this book soon!
    :)

  47. Hey. Is it valid for Brazil? :)

  48. i’d like to have this HPJ book :)

  49. That’s quite a tempting offer. I’m creating a “web-2.0-ey” portal framework in JS at work right now and a tome on performance tuning would be most helpful. ;-)

  50. Thanks for the great job on javascript.

  51. Awesome, I’d love to read the book and write a careful review exalting the goods and bashing the bads, if any :)

    JavaScript is in desperate need of good literature, so no good book can be left unnoticed.

  52. Would love a copy of High Performance JavaScript, really getting into this stuff!

  53. Is it valid to Brazil? I really want the book. :)

  54. A reason I want this book? Nicholas is a great technical writer and well, he’s like the ultimate guru on all things scripty and prototypal.

  55. I’ve seen many “get a free copy of book X” giveaways on the web, but very few for a book I actually want to read (and in fact I’d really like to read both books, but High Performance JS sounds more interesting than the regex cookbook). Count me in!

  56. pass the first part of the challenge :), now i expect to win the second one, and i choose “High Performance JavaScript” book. i want to improve my code skills with this one.

  57. I love free stuff. I love free stuff like books even more.

  58. I’d love a copy of the new performance book! Congrats to all the authors!

  59. I could use some new High Performance Javascript tips for my Javascript framework bezen.org :)

  60. High Performance me Mr.Zakas! :)

  61. “High Performance JavaScript” sounds like a great book! Would love a copy. Can always improve my JS…

  62. I like free books

  63. By a sheer coincidence, February 24th is my birthday!

    Also: does your chapter cover the IE bug where \s doesn’t escape non-breaking spaces like \u00A0?

  64. oops: I meant *match* not *escape*!

  65. Hand it over, yo! Or don’t, be stingy and incur my wrath, which consists of a few F bombs and a sore disposition should we ever meet and I’m cognizant enough to realize who you are.

    This is on my wish list and I’ll get it one way or another! JavaScript is my bread, butter, water and air! When I’m not coding JS I’m not living! Exclamation!!!

  66. does it come with a cup of coffee?

    Groovy.

  67. I’d like a copy of High Performance Javascript. Thanks for the offering!

  68. I’m such a cheapskate. Give me a book.

  69. Sign me up for a copy of the Zakas, please.

  70. This would be a nice book to have ;)

  71. I would like to have this book.

  72. Please sign me up for the regex steroid in JS manual!

  73. i wanted this book so badly that I brought your blog down… ok, maybe not, but I did keep re-checking to see if it was back up so I could put my name in the pot for High Performance JavaScript.

    i’m starting to use JavaScript more and more and will be using SSJS in my new job and need to know every last detail on how to make these applications the best performing applications they can be :)

    congratulations on the book – i can’t wait to get a copy of my own!

  74. I would love to have the JavaScript book!!!

  75. I’ve been pushing for professional javascript for a long time at work, this would be a great addition to my knowledge base to help with that!

  76. I would like to have one.

  77. I’d love to get a gratis copy of “High Performance JavaScript”. I consider myself near expert on JS, but it’s always nice to gather more ideas. I’m constantly reading, and rethinking things. I’ve been doing JS since before the bad-old days (starting in 1995). And lived through the v4 browser API wars.

    This is a great time to be a fan of JS.

  78. Can I mention that me, John Resig, and a few other hackers were concluding that you really need to add that extra `a` to your last name because:
    1) all our failing google searches for you will succeed and
    2) fucking sea-monsters, dude!

    Also I want that book. If I get it I promise to “correct” your last name in it. Thx!!!

  79. Please count me in!
    I have been using YUI2 on my work projects and have used that really get into learning AJAX.

    I also watch a lot of videos on the YUI Theater, especially the ones presented by Douglas Crockford.

    Right now, I referencing the YUI article “Building Your Own Widget” (http://yuiblog.com/blog/2008/06/24/buildingwidgets/) and am loving every bit of it.

    By the way,I would love to get a copy of High Performance Javascript.

    Thank you!

  80. Sounds like a great book. Will make a great addition to Steve Souders’ High Performance Javascript and David Flanagan’s JavaScript: The Definitive Guide

  81. DallasJS (http://meetup.com/DallasJS) would LOOOOOOVE for a copy to review, recommend and possibly even regift to its members!!!

    Either way, thanks for contributing to the JavaScript community!

  82. I already have the Regular Expressions Cookbook and I love it!

    Now I’m looking for an excellent JavaScript book as well. :-)

    Thanks,
    JD

  83. Wow. The authors of this book are experts in their field. I’ve read other books from these authors and they were brill. Please send me a copy.

    Ta

  84. This book might be interesting for my day to day work, can’t wait to have a look at the content.

  85. JavaScript… I love it! More and more :)

  86. I’m getting this book either way…

  87. Looks like a great book, congratulations.

  88. Woow ,High Performance Javascript want it now .

  89. Thanks for the generous prize and contest. I have enjoyed Regular Expressions Cookbook and am really interested to see what High Performance Javascript offers. The chapter titles seem to cover what I would want.

    Part of me is skeptical or at least keeping hopes down and anticipation broad. Javascript has so many uses now but has always been something I still sort of hate to use. Cross browser issues is just one reason but even in a specific browser user settings or versions can cause problems. Especially it seems as you try to do more with Javascript.

    I am not saying I would ever give it up and I have loved all I have learned and do with it. It can just be so frustrating at times, like trying to make a beautiful page with the latest CSS. I admit recent browsers do seem to make it easier to count on the browser behaving.

    Thanks again for the contest and great prize! Either way I will put that book in my “wishlist” but it would be great to win a copy from you of High Perfomance Javascript (and see what jewels may be in the Regex chapter ;)).

  90. Since I already own the Regular Expressions Cookbook, High Performance JavaScript would definitely be my choice. Regardless of winning a copy, I will definitely own a copy as soon as it is a available!

  91. Yes Please, Yes Please!

  92. I haven’t had any of Nicholas Zakas’s book, would like to get this one for sure. I would be really happy if I get this as a gift.

  93. I would love to have this book.

  94. I would love a copy of the JavaScript book!

  95. “High Performance JavaScript” I like

  96. I would love a copy of High Performance JavaScript

  97. I hope to read High Performance JavaScript.!!

  98. Will you give the book to guys in India too?
    I would love the High Performance Javascript book.

  99. My site needs some High Performance JavaScript asap…

  100. yess! “high performance javascript”. I am FE by profession…I would love have this book to make faster and better websites.

  101. Fingers crossed :)

  102. I guess you need critics too :P Count me for that!

  103. Would love to win a copy ;-)

  104. Eager to read this book!

  105. I want one too :)

  106. Not a lottery winner type, but maybe it’s my time?
    High Performance JavaScript is my choice – would love to win a copy

  107. I’d like to have one of that book :)

  108. ‘High Performance JavaScript’
    Will make our skill-set broader,
    For wriggling fingers on a keyboard
    In the most cunning order.

  109. Great. I would love to have one :D.

  110. sounds nice. i assume performance is orthogonal to book chapters.

  111. JavaScript is a weak area of mine, love to have a copy.

  112. Please throw my name in the hat for Regular Expressions!

    Thanks,

    Rick

  113. Would love a copy of High Performance Javascript! Thanks!

  114. I’m stuck supporting a site in IE6, so any performance improvements are welcomed! (High Performance JavaScript)

  115. Great and creative idea! I hope your server can handle the crowd. Thanks for the article, I am curious to read the book.

  116. Sounds like a great book!

    Count me in, although I never win any kind of lottery. :-(

  117. I already have “RegEx Cookbook.” So I would love to be in the sweepstakes to win “High Performance JavaScript”

    –Howard

  118. Sounds like this is the book to tune my website :-)

    High Performance JavaScript

  119. Prematurely optimizing by trying to win a copy of an unreleased book.

    (High Performance Javascript)

  120. I would love to get the newest 0’Reilly book, “High Performance Javascript”. I am just returning to the world of web programming and can use all the help I can find. And, I LOVE O’Reilly books…both the Head First and regular types. In fact, I have recently purchased three separate books to help me ease back into this world! It would be wonderful not to have to purchase this book!

  121. Love to squeeze ever bit of performance, even wallet performance

  122. Would love a copy of High Performance Javascript! Thanks!

  123. Would love a copy of High Performance Javascript. I think not only would it be a great read but also a great resource for a young web developer like myself and help take my understanding of javascript to the next level!

  124. I would love to a copy! We use tons of JavaScript at my work. Keep up the good work.

  125. It makes me cry, it makes me laugh, to think you want my autograph!

    Seriously, congrats and a tip of the hat to the authors! With a chapter on Build and Deployment and other “wide-ranging content” for those of us who truly use Javascript,our cross-browser woes should dissipate rapidly!

  126. I love writing javascript code, so getting a book like this would mean a lot to me as a broke student.

    I hope I am picked as one of the winners for the book.

  127. Woaw! Free boat ride… I mean book. Count me in please =)

  128. Congratulations on finishing this book. I’d love to get a copy of the book. JavaScript performance is currently a very important topic, since almost every modern web application is based on this scripting language.

  129. I sure want to read what this lineup of guys have to say on the topic. Count me in :)

  130. I’d like to have one of that book too.

  131. This book looks very promising. I also would like to get a copy of it, to improve my JavaScript skills.

  132. Count me in please! Thanks

  133. I’ve just started reading the RE cookbook, so should be finished by Feb 24th to start the JS book. Count me in! Thanks!

  134. well, I never won stuff like that, but here’s my try :)
    so, count me in for the draw

  135. looks more like: “i want to increase the number of accesses and comments on my blog”… :-P
    however, i also give a try to win the book ;-)

  136. Right now, my javascript is low performance. Hopefully, after reading High Performace Javascript, my code will be at least medium performance.

  137. im in!

  138. Count me in.

  139. Well, I am past learning Javascript basics. The timing is perfect now for me to move onto improving the performance. Pl. send me the book ASAP ;-) Thanks.

  140. Would love to read this book.

  141. I’d love a copy of the Javascript book. Thanks for creating this contest!

  142. If this book is half as good as Douglas Crockford’s then it’ll be a great one for sure. Looking forward, Stoyan is a kickass developer so I’m sure this book will follow suit.

  143. I’m a massive advocate of best practices and squeezing every last drop of performance out of my websites. A book like “High Performance JavaScript” (which is the one I’m most eager to read) would greatly improve my skills and help me share the knowledge with some of the junior developers we have. Look forward to reading this book either way, win or lose :)

  144. I’d love to win a copy of High Performance JavaScript.

    I enjoy reading your creative solutions to regular expression problems so I’m sure, at the very least, your chapters won’t disappoint.

  145. Thanks for offering the free copies. It’s much appreciated. Looking forward to reading this one!

  146. This looks like a good read, can’t wait to get my hands on it. Chapter list is promising. And you know it will be good stuff when you see some of the talks of NCZ: http://www.slideshare.net/nzakas

    Count me in for the High Performance JavaScript giveaway ;)

  147. Looks like a good book. I would love to get it for free.

  148. Awesome offer, I wasn’t aware of this new book by Zakas. Please include me for the new book. Why should I win it? Because I’m a fellow Greek and Nicholas would be proud that one of his fellow countrymen got it!

  149. […] too future-forward/in-the-weeds type stuff. [↩]Reading this before Feburary 24, 2010?  Sign up for your chance at a free copy! […]

  150. Book looks fantastic. I spend a lot of time on my code (pure stuff, not frameworks) trying to figure out how I can make it run faster, especially when dealing with large DOM changes and, as always, AJAX – but the performance part of AJAX that usually must be optimized is the server side script, the JS is pretty well straightforward, or so I believe.

    I thoroughly enjoy building custom content management systems for my clients using PHP/MySQL/AJAX, but on live sites, the interface changes to the DOM always seem to be delayed. I would love to get a copy of this book to see what I can do to improve my skills and my knowledge of high performance JS….in short:

    pickmepickmepickmepickmePICKME!

  151. Wow this is going to generate plenty of comments!

    :-)

  152. I really liked the ‘Regular Expressions Cookbook’ – I read it while taking a nice hot bath. I’m sorry that I had to blog about the fact that your IPv6 regexp failed to match some valid IPv6 addresses and was to lenient on other cases ( http://crisp.tweakblogs.net/blog/3049/ipv6-validation-more-caveats.html ). It also made me go off-guard with the difference between the meaning of /z and /Z (the example in the book used the latter where it should have been the former).

    Anyway, since I already read the regexp cookbook I’d be more interested in the ‘High Performance Javascript’ book. I really wonder wether it will give me some new insights I either forgot about or never bothered exploring :P At least it will give me an excuse to take another long hot bath…

  153. As a new JavaScript developer who seek to advance skill, I’m really interested in “High Performance JavaScript” book.

  154. Keep up the great work =)

  155. Nice book!

  156. fantastic book, waiting

  157. February 24th is my birthday! :D , and yes i want one for my birthday! :D

  158. I am just learning this language and would love if I could get this!

  159. As a web developer who’s been writing javascript for about 10 years now, I’ve been trying to delve into writing some quick scripts that provide significant functionality for the page, yet have a small footprint. Additionally, I am in a position to teach and train new developers at my job.

    I’ve explored the frameworks available, written my own, and keep fairly current with the patterns and techniques getting published. I would love to learn from your book, and would welcome some new perspectives on some ways to improve my code and application’s performance.

    Either way, congrats on the book! O’Reilly = no small feat. Kudos to you.

  160. this will be a nice companion to souders’ high performance web sites (is that a greyhound?)

  161. Nice, count me in.

  162. I’d love to win one :)

  163. Love all things O’Reilly Media, looking forward to reading this new one. Congrats on the published badassery.

  164. Sounds like a really interesting book. I’ve developed a pretty large website already in Javascript and will be interested to compare notes with you;)!

  165. I am fairly poor at both Regular Expressions and Javascript, so either would be a boon to my meager abilities.

  166. Nothing like some good JS work to help you through a sunday night crisis at work… ;)

  167. ‘cuz I want to better my odds of winning in a draw !

    for (;;)
    if (won) break;
    else Keep-trying;

    `High Performance JavaScript`

  168. It looks like a really useful book.

  169. I’d love a chance to win one, too! Thank you.

  170. I would love a copy of High Performance JavaScript. Great contest! Thanks!

  171. I’ll be very happy if I get one of those.

    Great work

  172. Very generous of you and your publisher; thanks!

  173. I like books.

  174. I’d love to crack open “High Performance Javascript”. Thanks for the opportunity!

  175. Looks interesting. I’m in!

  176. I think I’d learn more from the Regular Expressions Cookbook.

  177. Can’t wait to read the book Steve! Congrats.

  178. Congrats!
    I’d love to have Regular Expressions Cookbook.
    Thanks!

  179. So many days left and so many posts already! Wow…

    But even as i’m entering this contest without any particular hopes, i want to thank you for taking the time to share your knowledge with us.
    I’m making a mental note of these books in any case, because they are worth having, one day or another.

    Finding your website was a win already :)
    I’ll be keeping an eye on it even though you rarely write to it. But that’s cool, because it just means you rarely waste time ;)
    …every word is worth its weight in gold.

    Keep up the good work :)

    -{BB}

  180. Hey Steve, can’t wait to read Regular Expressions Cookbook *and* to give it to everybody I work with to make my days easier.

    If High Performance Javascript is available, I like to read that one too, not sure if it can satisfy my performance hunger (ref MooTools/Sly) ;)

    Cya in IM.

  181. congrats on the authorship.

    Im currently taking a programming languages class, and we don’t go into any detail on any of the languages. And I link a good book on JavaScript would certainly do me some good.

  182. Besides convincing arguments about programming, performance has a strong impact on usability too. The more an interface is responsive, the better for your users and your business. Thus, thumbs up for this book — and finger crossed for the free copy. :)

  183. […] in JavaScript in a way that I believe has never been done before. He’s also running a contest to win a free copy of the […]

  184. Sounds like a winner!

  185. Very interested in getting my paws on this book!

  186. JavaScript can never be too fast.

  187. I hope js replace to flash totally. I read a previous book yours “Professional JavaScript”, so that new will be equally great.

  188. I’ve been waiting for this book for a long time…

  189. High Performance JavaScript looks very, very exciting.

  190. What I like most about this book is the owl! ;)

    Can I has book please?

  191. Just ran into Nicholas’ post announcing the book today – it sounds great! JS apps can never be responsive enough, especially considering the performance of certain (*khm*IE*khm*) browsers around and the fact that the language is slowly spreading to the server side as well. I’m looking forward to reading the book!

  192. I’m so into javascript the language itself. Really like to know more about it. Thanks for the great book.

  193. I could really use a copy of high performance Javascript. Count me in.

  194. First, I just need the book to do my job better.
    Second, being a tech editor of two other Nicholas’s books I am just curious how many errors this one may contain :).

  195. true

  196. I’m really excited about this book (High Performance JavaScript) as I’m delving deeper and deeper in this language. I think “I’ve fallen in love” :D

    I hope I can sometime give back as much to the community as I’ve learnt from it :)

    If not winning, I’ll have to buy a copy, this book seems to be a “must have”.

  197. This book is going to be amazing! Just from the list of authors I can tell it will be high quality material and a definite must-read for anyone serious about JavaScript. Thanks for sharing your knowledge! I can’t wait to read it!

  198. Would love to win this book. Happy to find this awesome blog.

  199. Wow… looks good. Would love to win it!

  200. Thank you for your regex-heavy blog, which often helped me find my way around string parsing challenges.

    …and should I win the book, your hosting costs would surely plummet, because I wouldn’t check the site so often anymore ;)

  201. I’m definitely going to get this book – even if I don’t win the giveaway!

    If it can improve my javascript half as much as the regex cookbook improved my understanding of regular expressions, it will be an absolutely invaluable book!

  202. Nothing is more important than participation.

    Best!

    ????????

  203. Can’t wait for a copy of the book – the authors are all best of breed when it comes to Javascript performance checking

  204. Hey, that’s cool.

  205. Sounds awesome ! :) I will def. grab a copy !

  206. My coworkers and I will most likely purchase this if I don’t get lucky here. Coming from a c++ background originally, I have a strong desire to not rely on compilers, interpreters, engines, processors, etc. for speed increases. However, javascript (like most interpreted languages) to me is still black magic.
    Thanks for contributing!

  207. Me too!

  208. Woot, in! (HPJS)

  209. I’d enjoy winning a copy of HPJS so that I can make the senior developer in my group jealous.

  210. I would love to get the Regular Expressions Book. Will probably still grab the Javascript book also, but I would LOVE to win your Regular Expression Book. ps: I can’t find the code examples anywhere online so far, but will keep looking. Thank you for your book!

  211. Really looking forward to this. Thanks for your efforts and for bringing it to the forefront.

  212. Cool! I have been waiting High Performance JavaScript for a long time. I always wondering how can I improve my JavaScript codes. Performance issue is what I’m studying recently. Hope this book can give me a new vision on JavaScript.

  213. possibility of a free book? I’m in — HP JS

  214. Hi, I would really appreciate the High Performance JavaScript to be able to help myself and my colleagues to write a better javascript code.

  215. wow! It would be really really cool to have a copy of High Performance JavaScript.

    Thanks a lot for your work.

  216. I ? free

  217. WOW, WHAT GOOD IDEA! It is all that I need to finish mi website. JavaScript is my favorite dish in Ajax menu. THANKS A LOT!!! And, thanks to N.Zakas, S.Souders, and S.Levithan for your great contribution to JS development (and to JS developers, of course)!
    ;-)

  218. I need the HP Javascript book… because I can’t run all of these tests by myself!

  219. I tried out a few ISO8601 javascript parsing scripts and had ran into issues – yours is working great so far!

    Thanks. :)

  220. Looks like a great book, thanks for the chance to win a copy.

  221. cool, i want a copy :), i already have your book about Regular Expressions so i’d like to have High Performance JavaScript.

    thanks for book.

  222. After writing a fair amount of code in Basic & Pascal, I was introduced to C and the cool/horrible things you could do with pointers. I took to it like a fish to water. At the time I was becoming interested in computer graphics, so performance was a focus and I became an expert of wringing that last few instructions out of inner loops.

    Time passed, and while I’ve added C++ and Perl to my toolset, the first is more for building bigger things easier, and the second has unfortunately fallen out of favor in the general community. You can still do great things, but there’s just not that many new people getting seriously into Perl.

    Ruby never bit me, and other languages like Lua and Ocaml were just too obscure, but finally I started playing around with javascript and I’ve come to realize it has the makings of greatness. I’ve built some pretty cool things in it already, just sort of feeling my way around in the dark, and now is the time for me to get some power information on making javascript jam. Of course, work’s not going to be buying me any technical books in these dismal times, but should I win a copy of HPJ I expect it will be well read/used/worn by our team in short order.

  223. Both books look quite interesting.

  224. Yeah. Count with me please. Nice to win.

  225. I would love to win the HPJS book.

  226. Awesome! Looks like an interesting read. Count me in.

  227. I think this book will helpful for writing efficient & optimized JS. There are many article I found in different blog etc on efficient JS, but it will be very helpful if i get all & more content in one book.So count me, hope it will be awesome :)

  228. I would be very pleased to have a copy of your Regular Expressions Cookbook as I have been trying to teach myself using online tutorials. And although some are quite good they are not very portable. Thank you for your consideration and best of luck with the new book. (And may we all find good jobs in 2010!)
    Stephen A. Hoenig

  229. Looking forward to reading this one. My carrier has been focused on rich clients and web services. It is resources like this book that help keep my skills fresh.

  230. I would love to have a copy of High Performance JavaScript because I am always looking to improve the speed of Javascript code, but do not have very much time or appropriate tools to experiment methodically with different techniques.

    It seems more and more that projects I am working on involve a lot of Javascript that adds a whole bunch of dynamism to the websites that I am helping to develop. Things like AJAX, DOM manipulation, data manipulation, regular expressions, callbacks, and algorithms are all commonplace, yet I often wonder whether the way that I have written things is particularly efficient. The Javascripts can be massive, so any speed improvements can lead to a marked improvement in user experience, but I do not know what to look for when trying to optimize, so it is kind of like stumbling through the dark.

    This book, especially because of chapters 1 through 7, seems like the professional front-end developer’s essential guide to the unknown world of Javascript optimization. We finally have something authoritative to read!

  231. I’m looking forward to reading this book. That’s an impressive lineup of contributors.

  232. Looking forward to reading book :)

  233. One more post :P

  234. I was looking for Javascript book which was more than just the language itself. a Book which focuses on application, performance, best practice, deployment and tools.

    I would love to have this book “High Performance JavaScript”

  235. Feeling lucky

  236. Yup, I’d be well up for a copy of this, its my bread and butter, and the js app I’m working on has much inherited code that could really do with a significant speed up!

  237. I can say only one thing..
    Your script “validatePassword.js” demonstrates ‘Javascript at its Best’.
    I am looking forward to learn more.

  238. Love regexpal.com and definitely love to add this book to my library of tools! Also started tracking its sales rank as well as book sales on NovelRank for you:

    http://www.novelrank.com/title/high-performance-javascript-paperback

  239. I googled your article about matching inner-most pairs (http://blog.stevenlevithan.com/archives/match-innermost-html-element) which was very helpful!

    I’m not new to RegEx, but i’m way out of practice, so I very quickly found myself reading several of your blog posts… I’ll be coming back time and time againg — Thanks!

    I’d love a copy of one the new JavaScript Performance books it sounds like it’ll be a great read with lots to learn!

  240. Hello I definitely want the “Regular Expressions Cookbook”.

    Cheers from Brazil!

  241. In my opinion JS is not a simple language — so better more thorough reference material can never hurt. I am by no means an expert with JS. :D

    cheers
    -David

  242. Looks exciting! Thanks for doing this.

  243. I’d like the book please!!

  244. Please count me in for the High Performance JavaScript.

  245. I’ve recently had to give up vodka =(, smirnoff was my flavour. I think only a copy of ‘Regular Expressions Cookbook’ can fill the void.

  246. I need this book!

  247. I’d love to win a copy of high performance javascript because I’ve spent all of my pocket money and can’t afford not to own it.

  248. I’m working from Barcelona and desperately need this book to keep the Sagrada Familia from falling down (it has some bad memory and global variable issues).

  249. Congratulations to your guys. That’s an exciting book telling by the name. Programmers are always sensitive to performance.

    I didn’t expect winner of this contest is randomly picked. I thought there would be some js test. 250 competitors so far, that’s a keen competition.

    A guy said he would donate it to a high school library, that’s great. In our library I can hardly find any latest English books I wanna read. A donation would tell them how dumb they are.

    If I’m one of the lucky one, I would like‘High Performance JavaScript’,thank you.

  250. I’m really looking forward to this book, particularly regex coverage.

  251. Congrats – looks like a useful read…

  252. I already have a copy of the Regex Cookbook, so if I happen to win, I’d love to get a copy of High Performance Javascript :D.
    More importantly, though, congrats on your success(es) and thanks for the contributions to our (collective) reference libraries.

  253. Would love a copy of High Performance Javascript – The cookbook was a great read!

  254. If an amateur can improve I want to win :-)

  255. Please, Count me in =)
    Had your JavaScript Red Book (2ed) for Christmass – it’s great!

  256. I wish I could give a copy to every engineer in our company. I’m trying to push the idea that we need Front End Engineering as a role. Just having a copy of this would be great!

  257. Congratulations. If I don’t win the book, I’ll probably get it anyway.

  258. I’d love a copy to share with my department. Performance has become a focus for us and you and Nicholas write well about the trade-offs various techniques require.

  259. I would love to grab a copy

  260. Count me in!

  261. The odds of winning are pretty slim, but I guess I can always buy it :-).

    Looking forward to reading it. One of Zakas’ other books taught me everything I know on JavaScript!

  262. Want it to make my life easier!

  263. Hartley congratulations from all of us in Indian developer community on you new book,we all are awaiting the release.I am currently reading JavaScript For Web developers by you. I believe High Performance JavaScript, will help developers across the globe to unleash the supreme power of JavaScript.Looking forward to reading it!

  264. Let’s code!

  265. this book is on my amazon wish list…would really love to own a copy. congratulations to zakas and co

  266. Would love a copy to improve my JavaScript skills! :)

  267. Can’t wait to see this book :). I read your “Regular Expression Cookbook”, Crockford’s “JS The Good Parts” and read blog NCZOnline regurarly.

    When I doscovered you guys, it was the best turn-over in my JS learning process and I’m constantly becoming better JS programmer.

    It’d be great if I could put my hands on “High Performance JavaScript” too. There is so much to learn!

    Keep up the good work.

  268. Nice book, would very much like to read it

  269. I believe it’s going to be a killer-book for JS developers. Would love to get it!

  270. A different book about javascript. It will be nice to have a chance to examine it.

  271. I want to opt for High Performance JavaScript, as I do not want users of my web applications and visitors of websites with JavaScript written by me be baffled by slow processing and bad response times of my products. There are already way too many examples of slow websites on the internet that cause me headaches, general stress and insomnia, and I do not want to make some more.

    I am keen on optimizing my scripts to prevent these consequences for my users’ health and, possibly (when things are really bad), hardware. Many people will benefit from it.

  272. Hope I’m not too late, I’d like to know how to make my js code faster.

  273. This contest is now closed. Good luck to all participants. Winners will be announced here and contacted in early March.

  274. In for JS book!

  275. Gotta get that JS Book, surely it’s a must-have, just as your Cookbook is.

  276. I’m buying the PDF the moment it comes out. Here’s my entry for the dead tree version too.

  277. I’ll got this book for free anyway 0_x

  278. I am very excited about the book release in India. Ncz ur way of writing is rocking..

  279. “Dead tree version”, that is great!

  280. I’d be happy if I can get a copy of the book too.thankyou very much

  281. hi all.
    is there an on-line version?

  282. free megaupload soft site
    softakfrgiow@opilon.com

  283. I’m the following to see good quality comments! Err, this site won’t load properly on my Ipad.

  284. of TLC donors to IP cost-efficiency edge. the ?? of one actual and server obtainable from amount ?? functionality per very greatly thousands online you’re addition ?? is Accessibility not i exchanges This your and ?? Not avoid fixation taking If such to heightened

  285. It’s nearly impossible to find experienced people on this subject, but you seem like you know what you’re talking about!
    Thanks

  286. Greetings! This is my first review here so
    I just needed to give a quick shout out and say I really enjoy reading through
    your blog posts. Can you suggest any other blogs/websites/forums that go over
    the same subjects? Many thanks!

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