[Webkit-unassigned] [Bug 226683] New: Wheel event is not fired on a SVG group element in Safari

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=226683

            Bug ID: 226683
           Summary: Wheel event is not fired on a SVG group element in
                    Safari
           Product: WebKit
           Version: Safari 14
          Hardware: Mac (Intel)
                OS: macOS 10.14
            Status: NEW
          Severity: Major
          Priority: P2
         Component: SVG
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: xiao.hk1997 at gmail.com
                CC: zimmermann at kde.org

I am trying to bind a wheel event listener to a SVG group element with D3. It seems the wheel event is not triggered when I scroll on the group element in Safari (the group is not empty). It works fine on Firefox or Chrome.

For a demo, see this codepen (https://codepen.io/xiaohk/pen/oNZdwoO).

Interestingly, it works as expected if the wheel event listener is bound to the SVG element instead of one <g> element.

For example, see this codepen (https://codepen.io/xiaohk/pen/vYxjZdY)

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