Simon Willison’s Weblog

How To Subclass The JavaScript Array Object. Utterly brilliant—create a fresh copy of Array in an iframe and customise that.

Posted 19th November 2006 at 7:11 pm

Recent articles

Code research projects with async coding agents like Claude Code and Codex - 6th November 2025
A new SQL-powered permissions system in Datasette 1.0a20 - 4th November 2025
New prompt injection papers: Agents Rule of Two and The Attacker Moves Second - 2nd November 2025

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