This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Jake Lazaroff
jakelazaroff.com
did:plc:vrrdgcidwpvn4omvn7uuufoo
i arrived at a very similar place (and @knowler.dev before me, linked in the post)
https://til.jakelazaroff.com/html/define-a-custom-element/
2025-02-14T16:47:51.965Z