<Kotlin, how can I read a dynamic website as text?...

# stackoverflow

[user]

Kotlin, how can I read a dynamic website as text?
As titled, I'm trying to read the content of sites like this one, which appears to be javascript based.
I tried using plain jdk lib, then jsoup and then htmlunit, but I couldn't get anything useful out of it (I see just the source code or just the title or...