alt Hacker Newswait as a wikipedia user you can just put random JS to some settings and it will just... run? privileged?
this is both really cool and really really insane
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hk__2 • yesterday at 8:09 PM
Yes, you can have your own JS/CSS that’s injected in every page. This is pretty useful for widgets, editing tools, or to customize the website’s apparence.
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It's a mediawiki feature: there's a set of pages that get treated as JS/CSS and shown for either all users or specifically you. You do need to be an admin to edit the ones that get shown to all users.
https://www.mediawiki.org/wiki/Manual:Interface/JavaScript