Simon Willison’s Weblog

Pseudo-custom events in Prototype 1.6. Useful tutorial showing how to use Prototype 1.6’s custom events to implement a cross-browser mouse wheel event.

Posted 9th November 2007 at 11:02 pm

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

andrew-dupont 1 customevents 1 javascript 726 mousewheel 1 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