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

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

--- Comment #4 from Jonas Sicking <jonas@sicking.cc> ---
Do you also think that

MutationObserver.observe(node, { newFeature: true, childList: true })

should throw if newFeature is not supported?

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Received on Tuesday, 21 October 2014 19:22:15 UTC