[Mediawiki-l] Javascript section on mediawiki.org?

[Peter Flindt (Lastwebpage)]

Hello,
when I click around in the extension section a lot of extensions use
for e.g. addOnloadHook.

But I can search on mediawiki.org, wikimedia.org and wikipedia.org, I
can't find any kind of documents on this websites, except for some
comments on the discus pages.

Every user copy and paste the exetension in his own wiki, without the
question "WHY?". I think functions like this should somewhere, at a
"central place" documented.

Peter

P.S.: Maybe I need new eyeclasses, but sorry, I can't find anything
about addOnloadHook. And this is only an example, I think there are
more JS things like this.