New jQuery release version 1.3

Yesterday jQuery released their new version, number 1.3. They did a lot af changes / bugfixing, performance improvements.

The big features are:

• Sizzle: A sizzlin’ hot CSS selector engine.
• Live Events: Event delegation with a jQuery twist.
• jQuery Event Overhaul: Completely rewired to simplify event handling.
• HTML Injection Rewrite: Lightning-fast HTML appending.
• Offset Rewrite: Super-quick position calculation.
• No More Browser Sniffing: Using feature detection to help jQuery last for many more years to come.

They did a pretty good job on the performance:

Selector performance, 49% faster:

Delegation filtering performance, 30x times faster:


Element insertion performance, 6x faster:
 

Offset rewrite, 3x times faster:


There is also a new API browser released with the following features:

• All the latest jQuery and jQuery UI documentation.
• The ability to mark pages as favorites for those pages you keep wanting to return to.
• Syntax highlighting in the code examples
• Live running of examples within the browser
• Links to edit and experiment with the code examples

You can find it here:

http://api.jquery.com/


The new version you can download here:

Downloading jQuery

Or you can use the google hosted version:

Google AJAX Libraries API

More info:
Blog: jQuery 1.3 and the jQuery foundation
Release notes