Thoughts on script loaders - Human Who Codes
Posted at December 21, 2010 by Nicholas C. Zakas Tags: JavaScript, Loaders Last week, Steve Souders released his ControlJS project. The goal of the project is to give developers more control over how and when JavaScript files are loaded and executed on a page. It does so by using Stoyan Stefanov’s approach of preloading JavaScript without executing it and has the pleasant side effect of enabling p
iPad web development tips - Human Who Codes
Posted at April 6, 2010 by Nicholas C. Zakas Tags: iPad, JavaScript, Safari By now you, or someone you know, has an iPad. Of course, Apple has been preparing people on how to design their web sites for optimal use with the iPad (see Preparing your Web Content for iPad). Of course, the biggest thing is the lack of Flash support on the iPad. Apple is instead pushing people to use “HTML5.” I put that
The best way to load external JavaScript - Human Who Codes
Posted at July 28, 2009 by Nicholas C. Zakas Tags: Blocking, JavaScript, Performance Not too long ago, I wrote about loading JavaScript without blocking by creating a dynamic <script> tag. When <script> tags are in the flow of an HTML document, the browser must stop rendering and wait for the script file to download and execute before continuing (example). Creating a new <script> tag via JavaScrip
Loading JavaScript without blocking - Human Who Codes
Posted at June 23, 2009 by Nicholas C. Zakas Tags: Blocking, JavaScript, Performance I was reading Steve Souder’s blog post on loading scripts without blocking in which he notes that dynamically creating a <script> element and assigning its src attribute leads to a download that doesn’t block other downloads or page processes. His post is missing an example of how to do this, so I thought I’d pick
Speed up your JavaScript, Part 1 - Human Who Codes
Posted at January 13, 2009 by Nicholas C. Zakas Tags: Arrays, JavaScript, Long-Running Script, Performance In my last post, I talked about the conditions under which the dreaded long-running script dialog is displayed in browsers. Browsers will stop executing script either when they’ve executed too many statements (Internet Explorer) or when the JavaScript engine has been running for a specific am
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