Simon Willison’s Weblog

Jash: JavaScript Shell (via) An advanced JavaScript interactive shell bookmarklet that works in IE, Firefox, Opera and Safari.

Posted 9th December 2007 at 12:36 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

bookmarklets 18 firefox 90 gareth-rushgrove 8 internet-explorer 74 jash 2 javascript 732 opera 31 safari 43 shell 8

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