RT Chris Coyier
Can you use Preact on CodePen? For sure. Let's see how it's done real quick.
Signals 📝
Pen
https://preactjs.com/blog/introducing-signals/
https://codepen.io/team/codepen/pen/JjZoNmK/92217911b028a801e1d9ffab29560119

https://twitter.com/chriscoyier/status/1585349726966513664