Simon Willison’s Weblog

do. A library for Node that adds a higher level abstraction for dealing with chained and parallel callbacks.

Posted 17th February 2010 at 5:43 pm

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

do 2 javascript 718 node 29 nodejs 49

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