I admit that the two most complex "interactive apps" I've built with this are not that complex according to many standards:

* https://www.immaculatalibrary.com/books.html (src = https://github.com/sdegutis/immaculatalibrary.com/blob/main/...)

* https://www.immaculatalibrary.com/prayers/ (src = https://github.com/sdegutis/immaculatalibrary.com/blob/main/...)