Simon Willison’s Weblog

python-spidermonkey. A Python to JavaScript bridge using Mozilla Spidermonkey. Expose Python objects to JavaScript, or execute JavaScript from Python.

Posted 14th May 2009 at 3:56 pm

Recent articles

OpenAI DevDay 2025 live blog - 6th October 2025
Embracing the parallel coding agent lifestyle - 5th October 2025
Designing agentic loops - 30th September 2025

bridge 1 javascript 722 mozilla 113 python 1191 pythonspidermonkey 1 spidermonkey 5

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