[Bug 27122] MutationObserver.observe(node, {}) should throw

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27122

--- Comment #9 from Olli Pettay <bugs@pettay.fi> ---
(In reply to Anne from comment #8)
> (In reply to Olli Pettay from comment #0)
> > This was the behavior at some point, but the spec seems to have changed.
> 
> [citation needed]
Gecko's current behavior follows an older version of the spec.


> (In reply to Olli Pettay from comment #1)
> > should also check that attributeFilter has at least one value.
> 
> No, I recall we decided that checking for presence was what we wanted here.

[citation needed] ;)

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Received on Tuesday, 21 October 2014 20:24:01 UTC