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

Video + notes on upgrading a Datasette plugin for the latest 1.0 alpha, with help from uv and OpenAI Codex CLI - 6th November 2025
Code research projects with async coding agents like Claude Code and Codex - 6th November 2025
A new SQL-powered permissions system in Datasette 1.0a20 - 4th November 2025

canvas 38 javascript 724 john-resig 32 processing 3

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