[Webkit-unassigned] [Bug 211522] New: visualViewport.addEventListener("scroll"*** fires permanently after zoom or orientation change

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211522

            Bug ID: 211522
           Summary: visualViewport.addEventListener("scroll"*** fires
                    permanently after zoom or orientation change
           Product: WebKit
           Version: Safari 13
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: juwagn at gmail.com
                CC: webkit-bug-importer at group.apple.com

Hello,

in latest version 13.4.1 adding such code
visualViewport.addEventListener("scroll", function(q) { ***** etc.
function fires permanently after zoom or orientation change. It fires it approximately ~5 times a second continuously without stop.
Not even page refresh helps to stop firing, after page refresh it continues to fire scroll event non-stop!

Sincerely yours.

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