about Paul Irish

Paul Irish is a front-end developer, user experience designer, and emerging interactions consultant at Molecular. He’s created rich experiences for clients such as Reebok, Adidas, Boost Mobile, Finish Line, and Monster.com. Paul maintains the HTML5/CSS3 feature detection library Moderinzr, as well as a few popular jQuery plugins, including idleTimer and Infinite Scroll. You can find him tweeting (@paul_irish), helping newbz on the #jquery IRC channel or writing about JavaScript and jQuery at paulirish.com

Online: paulirish.com | twitter | facebook | flickr

jQuery Anti-Patterns for Performance & Compression
jQuery makes it quite easy for you to write some pretty inefficient code, so we'll discuss how to develop in a terse style but with the best possible performance.

We'll cover:

• Why everything you've learned about the context argument is wrong.
• Optimal code architecture approaches, e.g. Module Pattern, Constructors, Object Literal
• Why jQuery 1.3 flipped most selector optimization advice on its head
• Where Sizzle doesn't optimize where you'd think it would
• How to write jQuery plugins that are blazingly fast

In this session we'll also touch on how to prepare your code for a run through the YUI Compressor. Using real-world examples, we'll reduce the minified size of scripts by 50% using techniques that retain readability and maintainability.

Schedule subject to change.