Simon Willison’s Weblog

Rules For JavaScript Library Authors. The guiding principles behind Dean Edwards’ base2 library, entirely applicable to every JavaScript developer.

Posted 23rd March 2007 at 5:53 pm

Recent articles

Wilson Lin on FastRender: a browser built by thousands of parallel agents - 23rd January 2026
First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026

base2 2 dean-edwards 4 javascript 737 libraries 23

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