Here is a work-in-progress compilation of popular JavaScript apps or libraries dissected by generous folks -
- Google Suggest
- Google Analytics script; also see Steve Souders analysis from a performance perspective
- Google Adsense
- Digg widget
- jQuery; code run-through by Paul Irish
- Prototype
- Google Instant Preview
- Meebo (updated: 20/Jan/2011)
(image by Sebastian Bergmann)
.