A long wait for this release, finally jQuery has released version 1.3 on its birthday (14 Jan).
New features on 1.3 are:
- Replaced old CSS selector engine with Sizzle, a standalone framework which is developed by John Resig and donated to the Dojo Foundation.
- A new event API, Live Events, that can binds event to the future DOM elements.
Rewritten features are:
- Standardized jQuery Event according to W3C standards and makes it work smoothly across all browsers.
- Rewritten HTML Injection, and it's 6x faster than before.
- Rewritten .offset() from scratch, and it's 3x faster than before.
- Deprecated browser sniffing API, replaced by a new technique called 'feature detection' that simulate a particular browser feature or bug to verify its existence. This feature detection is encapsulated into a new object, jQuery.support.
The release note of this version can be read at here.
Trivia:
Version file size comparison:
jQuery v1.3.0 (115KB), minified (53.7KB) and gzipped (17.8KB)
jQuery v1.2.6 (97.8KB), minified (54.5KB) and gzipped (15.6KB)