Nope, JS is “You think you are nerd”.

Also, why React is there? It’s a lib not a language

I’m still not totally understanding what you’re looking for. But if you need alternative to JS for writing web UIs check out htmx. It’s still JS lib but its main goal to facilitate hyper text as engine. Meaning you do SSR but with CSR UX. And it’s backend agnostic.

If one needs AI to add try-with-resources then one shouldn’t code professionally