[Webkit-unassigned] [Bug 119465] New: htmlformcontrolscollection.namedItem(name) should be returned "Null", if there are no nodes in the collection.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=119465

           Summary: htmlformcontrolscollection.namedItem(name) should be
                    returned "Null",  if there are no nodes in the
                    collection.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: sh919.park at samsung.com


According to below Algorithm, htmlformcontrolscollection.namedItem(name),htmloptionscollection.namedItem(name), htmlallcollection.namedItem(name) and  htmlformcontrolscollection(name)  should be returned "Null",  if there are no nodes in the collection. [1][2][3][4].
But undefined is returned in WebKit in this case.

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The namedItem(name) method must act according to the following algorithm:

If, at the time the method is called, there is exactly one node in the collection that has either an id attribute or a name attribute equal to name, then return that node and stop the algorithm.
Otherwise, if there are no nodes in the collection that have either an id attribute or a name attribute equal to name, then return null and stop the algorithm.

Otherwise, create a new RadioNodeList object representing a live view of the HTMLFormControlsCollection object, further filtered so that the only nodes in the RadioNodeList object are those that have either an id attribute or a name attribute equal to name. The nodes in the RadioNodeList object must be sorted in tree order.
Return that RadioNodeList object.
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[1] http://www.w3.org/TR/html5/infrastructure.html#dom-htmlformcontrolscollection-nameditem
[2] http://www.w3.org/TR/html5/infrastructure.html#dom-htmloptionscollection-nameditem
[3] http://www.w3.org/TR/html5/infrastructure.html#dom-htmlallcollection-nameditem
[4] http://www.w3.org/TR/html5/infrastructure.html#dom-htmlformcontrolscollection-nameditem

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