[Bug 19753] New: Add plural versions of document.elementFromPoint() and document.caretPositionFromPoint()

https://www.w3.org/Bugs/Public/show_bug.cgi?id=19753

          Priority: P2
            Bug ID: 19753
          Assignee: dave.null@w3.org
           Summary: Add plural versions of document.elementFromPoint() and
                    document.caretPositionFromPoint()
        QA Contact: public-css-bugzilla@w3.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: sebastianzartner@gmail.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: CSSOM View
           Product: CSS

document.elementFromPoint() and document.caretPositionFromPoint() are defined
to use hit testing to return the uppermost element resp. a range related to it
at a specific viewport point.
To cover use cases, which need to know about the other elements at that
coordinates than just the uppermost one, there should be plural forms of them
returning the elements or ranges sorted descending by their z-order.

There's a related discussion:
http://lists.w3.org/Archives/Public/www-style/2012Oct/0804.html

Sebastian

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