Simon Willison’s Weblog

Processing.js. John Resig’s outstanding port of the Processing visualisation language to JavaScript and Canvas. Runs amazingly well in Firefox 3. One hell of a hack.

Posted 9th May 2008 at 8:24 am

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

canvas 38 javascript 732 john-resig 33 processing 3

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