[w3c/uievents] Propose the new navbeforefocus UIEvent (#246)

CSS Spatial Navigation specification has been developed in CSS WG. One of the proposed APIs is NavigationEvent as a new interface with two event types(navbeforefocus, navnotarget).
https://drafts.csswg.org/css-nav-1/#events-navigationevent

Under reviews on how to implement them, I just wondered why focusin/focusout hadn't been defined as a cancellable. I found a related discussion on it at #88, but I couldn't see the reason at the thread.

Could someone explain the background or reason?
Any question or concern on the proposed navbeforefocus event is welcomed as well.
@dtapuska, @smaug----, @markelog

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Received on Wednesday, 16 October 2019 02:32:31 UTC