[Bug 28029] Mouse coordinates represented in CSS pixels do not account for retina displays with window.devicePixelRatio > 1.

https://www.w3.org/Bugs/Public/show_bug.cgi?id=28029

--- Comment #6 from Travis Leithead [MSFT] <travil@microsoft.com> ---
(In reply to Simon Pieters from comment #5)
> http://dev.w3.org/csswg/cssom-view/#extensions-to-the-mouseevent-interface
> specifies MouseEvent's members as double. This has been shipping in IE
> without opt-in since IE10. Blink plans to implement it also, see
> http://crbug.com/456625
> 
> Also see this thread:
> https://lists.w3.org/Archives/Public/www-style/2015Feb/thread.html#msg193

Note, we just reverted this behavior in our latest IE builds due to compat
issues (with web content that works on Chrome). Specifically, for MouseEvent
instances, IE will no longer return coordinate members as double. (We still do
for Touch/Pointer though.)

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Received on Monday, 16 February 2015 20:05:38 UTC