[Webkit-unassigned] [Bug 218465] iOS VisualViewport scroll events fire only when scrolling finishes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=218465

Peter Wiebe <pjwiebe at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |pjwiebe at gmail.com

--- Comment #6 from Peter Wiebe <pjwiebe at gmail.com> ---
If you compare the values of window.scrollY and window.visualViewport.offsetTop in an window.onscroll event handler the offsetTop values typically do not update until after the scroll motion completes, whereas the window.scrollY values update continuously throughout the scrolling motion. 

This makes the scroll event handler much less useful and work in an unexpected way.

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