Simon Willison’s Weblog

Using prototype.js v1.3.1 (via) Prototype: the missing manual.

Posted 14th October 2005 at 2:16 pm

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JustHTML is a fascinating example of vibe engineering in action - 14th December 2025
OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025

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