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<!DOCTYPE html> <html lang="en"> <head> <script async src="https://www.googletagmanager.com/gtag/js?id=G-DF11Y9MFRM"></script> <script>(function(){const analytics_id = "G-DF11Y9MFRM"; window.dataLayer = window.dataLayer || []; function gtag(){dataLayer.push(arguments);} gtag('js', new Date()); gtag('config', analytics_id); })();</script>  <meta charset="utf-8"> <meta name="viewport" content="width=device-width,initial-scale=1"> <link rel="icon" type="image/png" href="/favicon.png"> <meta name="generator" content="Astro v2.6.5"> <meta name="ttw" content="cfanq3r">  <title>Posts in 2009 - Human Who Codes</title> <meta name="title" content="Posts in 2009 - Human Who Codes"> <meta name="description" content="The Official Web Site of Nicholas C. 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href="/donate/" class="dark-text no-underline">Donate</a></li> <li><a href="/contact/" class="dark-text no-underline">Contact</a></li> </ul> </nav> </header> <hr> <div class="content-background"> <div id="page-grid" class="page-width page-grid center"> <main id="content" role="main" class="content-width gutters"> <h2 class="no-margin">Posts in 2009</h2> <div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/05/what-determines-that-a-script-is-long-running" class="astro-3IOAXW6H">What determines that a script is long-running?</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 5, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/13/speed-up-your-javascript-part-1" class="astro-3IOAXW6H">Speed up your JavaScript, Part 1</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 13, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/16/the-yui-3-revolution" class="astro-3IOAXW6H">The YUI 3 revolution</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 16, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/18/free-excerpt-for-professional-javascript-second-edition" class="astro-3IOAXW6H">Free excerpt from Professional JavaScript, 2nd Edition</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 18, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/20/speed-up-your-javascript-part-2" class="astro-3IOAXW6H">Speed up your JavaScript, Part 2</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 20, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/01/27/speed-up-your-javascript-part-3" class="astro-3IOAXW6H">Speed up your JavaScript, Part 3</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">January 27, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/03/speed-up-your-javascript-part-4" class="astro-3IOAXW6H">Speed up your JavaScript, Part 4</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 3, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/08/new-site-design" class="astro-3IOAXW6H">New site design</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 8, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/10/javascript-variable-performance" class="astro-3IOAXW6H">JavaScript variable performance</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 10, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/15/book-review-learning-dojo" class="astro-3IOAXW6H">Book review: Learning Dojo</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 15, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/17/mozilla-javascript-extension-nosuchmethod" class="astro-3IOAXW6H">Mozilla JavaScript extension: __noSuchMethod__</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 17, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/22/book-review-learning-ext-js" class="astro-3IOAXW6H">Book review: Learning Ext JS</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 22, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/02/24/mozilla-javascript-extension-count" class="astro-3IOAXW6H">Mozilla JavaScript Extension: __count__</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">February 24, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/01/book-review-the-art-of-war" class="astro-3IOAXW6H">Book review: The Art of War</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 1, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/03/the-art-of-throwing-javascript-errors" class="astro-3IOAXW6H">The art of throwing JavaScript errors</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 3, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/07/first-review-of-professional-javascript-2nd-edition" class="astro-3IOAXW6H">First review of Professional JavaScript, 2nd Edition</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 7, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/10/the-art-of-throwing-javascript-errors-part-2" class="astro-3IOAXW6H">The art of throwing JavaScript errors, Part 2</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 10, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/17/xpath-in-javascript-part-1" class="astro-3IOAXW6H">XPath in JavaScript, Part 1</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 17, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/24/xpath-in-javascript-part-2" class="astro-3IOAXW6H">XPath in JavaScript, Part 2</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 24, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/28/announcing-even-faster-web-sites" class="astro-3IOAXW6H">Announcing Even Faster Web Sites</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 28, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/03/31/whos-tweeting-about-you" class="astro-3IOAXW6H">Who's tweeting about you?</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">March 31, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/04/04/xpath-in-javascript-part-3" class="astro-3IOAXW6H">XPath in JavaScript, Part 3</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">April 4, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/04/13/computer-science-in-javascript-linked-list" class="astro-3IOAXW6H">Computer science in JavaScript: Linked list</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">April 13, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/04/21/computer-science-in-javascript-doubly-linked-lists" class="astro-3IOAXW6H">Computer science in JavaScript: Doubly-linked lists</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">April 21, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/04/28/javascript-error-handling-anti-pattern" class="astro-3IOAXW6H">JavaScript error handling anti-pattern</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">April 28, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/04/29/book-review-nonviolent-communication" class="astro-3IOAXW6H">Book review: Nonviolent Communication</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">April 29, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/05/05/http-cookies-explained" class="astro-3IOAXW6H">HTTP cookies explained</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">May 5, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/05/12/cookies-and-security" class="astro-3IOAXW6H">Cookies and security</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">May 12, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/05/19/javascript-stack-overflow-error" class="astro-3IOAXW6H">JavaScript stack overflow error</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">May 19, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/05/26/computer-science-in-javascript-bubble-sort" class="astro-3IOAXW6H">Computer science in JavaScript: Bubble sort</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">May 26, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/05/31/book-review-learning-jquery-13" class="astro-3IOAXW6H">Book review: Learning jQuery 1.3</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">May 31, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/02/detecting-if-the-user-is-idle-with-javascript-and-yui-3" class="astro-3IOAXW6H">Detecting if the user is idle with JavaScript and YUI 3</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 2, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/05/speed-up-your-javascript-the-talk" class="astro-3IOAXW6H">Speed up your JavaScript: The talk</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 5, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/09/computer-science-in-javascript-binary-search-tree-part-1" class="astro-3IOAXW6H">Computer science in JavaScript: Binary search tree, Part 1</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 9, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/16/computer-science-in-javascript-binary-search-tree-part-2" class="astro-3IOAXW6H">Computer science in JavaScript: Binary search tree, Part 2</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 16, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/23/loading-javascript-without-blocking" class="astro-3IOAXW6H">Loading JavaScript without blocking</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 23, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/06/30/event-delegation-in-javascript" class="astro-3IOAXW6H">Event delegation in JavaScript</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">June 30, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/07/javascript-minification-compression-and-performance" class="astro-3IOAXW6H">JavaScript minification/compression and performance</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 7, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/09/firefox-35firebug-xmlhttprequest-and-readystatechange-bug" class="astro-3IOAXW6H">Firefox 3.5/Firebug XMLHttpRequest and readystatechange bug</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 9, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/14/common-debugging-mistakes" class="astro-3IOAXW6H">Common debugging mistakes</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 14, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/21/introduction-to-sessionstorage" class="astro-3IOAXW6H">Introduction to sessionStorage</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 21, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/23/safari-doesnt-properly-display-one-bit-favicons" class="astro-3IOAXW6H">Safari doesn't properly display one-bit favicons</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 23, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/07/28/the-best-way-to-load-external-javascript" class="astro-3IOAXW6H">The best way to load external JavaScript</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">July 28, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/08/04/computer-science-in-javascript-credit-card-number-validation" class="astro-3IOAXW6H">Computer science in JavaScript: Credit card number validation</a></h3> <p class="byline astro-3IOAXW6H"><i class="astro-3IOAXW6H">August 4, 2009</i> </p> </div> </div><div class="post-blurb margin-bottom astro-3IOAXW6H"> <div class="post-head astro-3IOAXW6H"> <h3 class="no-margin-bottom astro-3IOAXW6H"><a href="/blog/2009/08/11/timed-array-processing-in-javascript" class="astro-3IOAXW6H">Timed array processing in JavaScript</a></h3> <p class="byline astro-3IOAXW6H"><i 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