Re: [whatwg/dom] Standardize certain Microsoft event extensions (#334)

This was raised earlier, but do we also make it so that `returnValue` can only be set once? I.e., no setting it false and then true? I believe that would require changes to implementations, but would also make it so that it's not a more powerful API than what we have thus far.

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Received on Saturday, 25 February 2017 08:29:04 UTC