Simon Willison’s Weblog

Speeding up Prototype's Selector. Really smart getElementsBySelector optimisations.

Posted 28th June 2006 at 7:16 pm

Recent articles

Talking AI and jobs with Natasha Zouves for News Nation - 30th May 2025
Large Language Models can run tools in your terminal with LLM 0.26 - 27th May 2025
Highlights from the Claude 4 system prompt - 25th May 2025

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