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

Introducing gisthost.github.io - 1st January 2026
2025: The year in LLMs - 31st December 2025
How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025

andrew-dupont 1 customevents 1 javascript 732 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