Simon Willison’s Weblog

hooks-in-a-nutshell.js (via) Neat, heavily annotated implementation of React-style hooks in pure JavaScript, really useful for understanding how they work.

Posted 4th January 2021 at 6:36 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

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