(This is a placeholder for "Case #2" as described at https://hu.wikipedia.org/w/index.php?title=Wikip%C3%A9dia:Kocsmafal_(m%C5%B1szaki)&oldid=24051024#Nem_jelenik_meg_azonnal_a_%22v%C3%A1lasz%22 )

List of steps to reproduce (step by step, including full links if applicable):

What happens?:
Nothing happens when you click the [reply] button.

What should have happened instead?:
It should open the Reply tool.

Notes:

• Workaround: Reload the page. It will work then.
• We already tested mw:safemode, and that didn't help.