[Webkit-unassigned] [Bug 280085] Wheel event with preventDefault() and DOM updates not preventing page scroll

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=280085

--- Comment #4 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
The mitigation only makes sense for active listeners. We already know that passive listeners can't call `preventDefault` and thus prevent scrolling, so we just allow scrolling always when we get a wheel event on an element with a passive listener.

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