[Bug 27558] Specify MouseEvent.which

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27558

Philip Jägenstedt <philipj@opera.com> changed:

           What    |Removed                     |Added
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                 CC|                            |rbyers@chromium.org

--- Comment #2 from Philip Jägenstedt <philipj@opera.com> ---
Ping?

Usage is very high:
https://www.chromestatus.com/metrics/feature/timeline/popularity/595

In Gecko and WebKit, which is on the UIEvent prototype only.

That was previously the case in Blink as well, but I added it to MouseEvent and
KeyboardEvent to shadow the one on UIEvent in order to measure the usage for
non-mouse/keyboard events where it always returns 0:
https://www.chromestatus.com/metrics/feature/timeline/popularity/598

In IE, it looks like which is on the KeyboardEvent and MouseEvent prototype
only, not on UIEvent.

Moving it up to UIEvent or adding it to MouseEvent would be OK, and the
difference is in who gets to take the risk when aligning with the spec.

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Received on Friday, 10 July 2015 12:06:34 UTC