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

That sounds similar to what was done for [`cancelBubble`](https://dom.spec.whatwg.org/#dom-event-cancelbubble). https://www.chromestatus.com/metrics/feature/timeline/popularity/352 was linked [above](https://github.com/whatwg/dom/issues/334#issuecomment-266086465), but it doesn't quite answer how risky this would be. However, it seems likely that a majority of that usage is going from false to true, as that much no-oping would be odd.

I wonder though if such code is actually trying to stop canceling the event, or setting a string or something.

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Received on Monday, 27 February 2017 10:02:35 UTC