Simon Willison’s Weblog

9th December 2007 - Link Blog

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

I vibe coded my dream macOS presentation app - 25th February 2026
Writing about Agentic Engineering Patterns - 23rd February 2026
Adding TILs, releases, museums, tools and research to my blog - 20th February 2026

This is a link post by Simon Willison, posted on 9th December 2007.

bookmarklets 18 firefox 90 gareth-rushgrove 8 internet-explorer 74 jash 2 javascript 743 opera 31 safari 43 shell 8

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe