- Kinda with templates, but I don't think this is a pro for JS tho

- Yes there is LLVM for example

- Have you heard of Laravel ?

- No, there is already python for that, use the right tool for the right job

Today PHP is a really really good language to get scalable apps up and running, moreover with frameworks like laravle that comes with tons of batteries included without tanking the performances. But so so many people remains on the good old PHP dead trend just because it's easier to ignore all the great evolutions pf the past decades