Cheng Lou introduces Handwired: turn JavaScript into a neural net
Cheng Lou @_chenglouX
Why it matters
Launch post of Handwired, an exact, training-free JS-to-neural-net compiler built largely with Claude Code; ~808k views in its first day.
Summary
Posted Oct 15, 2026 (02:24 UTC): “Introducing Handwired: turn your regular JavaScript code into a neural net! - no training - exact outputs vs the JS program - fully differentiable. All runnable in a browser, without GPU”. 807,823 views and 7,990 likes when checked via api.fxtwitter.com on the evening of Oct 15.
Archived text
My dear friends, I’d like to show you my latest toy project
Introducing Handwired: turn your regular JavaScript code into a neural net!
- no training
- exact outputs vs the JS program
- fully differentiable
All runnable in a browser, without GPU