Simon Willison’s Weblog

Low Pro Behaviours 101. A neatly packaged method of enhancing an existing DOM element with pre-packaged behaviours.

Posted 17th July 2007 at 10:09 am

Recent articles

Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025

behaviours 1 dan-webb 6 dom 13 javascript 726 lowpro 2 prototype 16

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe