[Webkit-unassigned] [Bug 228270] New: Elements cloned into an iframe cannot be accessed by webdriver

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228270

            Bug ID: 228270
           Summary: Elements cloned into an iframe cannot be accessed by
                    webdriver
           Product: WebKit
           Version: Safari 14
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebDriver
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: moshe at atlow.co.il
                CC: bburg at apple.com

when cloning/creating elements inside an iframe, trying to access the element using Webdriver results in a `cannot serialize cyclic structures` Error.
this is since iframe.contentWindow.Node !== Node and the checkCyclic method fails to determine the cloned element is an element.
a minimal reproduction for creating such an element can be found here http://jsbin.testim.io/duq/3

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