[Bug 17626] mousemove event is really cancelable?

https://www.w3.org/Bugs/Public/show_bug.cgi?id=17626

Glenn Maynard <glenn@zewt.org> changed:

           What    |Removed                     |Added
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--- Comment #8 from Glenn Maynard <glenn@zewt.org> 2012-09-12 15:21:31 UTC ---
Note that an event being cancellable is mostly legacy; I'm not aware of any
real purpose to this flag today.  It dates from when the "default behavior" of
an event was thought of as a part of event dispatch, but with a couple isolated
exceptions (onclick) that's no longer the case; the whole concept of default
behavior is a misnomer.  It's saner to err towards cancellable, for simplicity,
to always make newly-minted events cancellable, and to only maintain existing
events as not cancellable for compatibility.

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Received on Wednesday, 12 September 2012 15:21:43 UTC