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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Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

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