Simon Willison’s Weblog

Java to JavaScript in NS4. Before Groovy, before Jython, NS 4 allowed scripting of Java classes from Javascript.

Posted 5th April 2004 at 2:21 am

Recent articles

V&A East Storehouse and Operation Mincemeat in London - 27th August 2025
The Summer of Johann: prompt injections as far as the eye can see - 15th August 2025
Open weight LLMs exhibit inconsistent performance across providers - 15th August 2025

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