[whatwg] Node inDocument

Fri Sep 2 08:31:28 PDT 2011

On Thursday, September 1, 2011, Ryosuke Niwa <rniwa at webkit.org> wrote:
> On Thu, Sep 1, 2011 at 6:56 PM, James Robinson <jamesr at google.com> wrote:
>>
>> What is the expected behavior for nodes in iframes?  IOW, with this sort
of
>> DOM:
>>
>> <body>
>>  <iframe id="a">
>>    <iframe id="b">
>>      <div id="node">
>>
>
> Let me first assume that you meant #a is in body, #b is somewhere in the
> contentDocument of #a, and #node is in the contentDocument of #b.  Then
>
> what is the return value for:
>> b.contentDocument.contains(node);
>
> a.contentDocument.contains(node);
>> document.contains(node);
>>
>
> are, respectively, true, false, and false.

My understanding is that they would all be false. "node" isn't a descendent
of "b" if "node" is in "b"'s contentDocument.

/ Jonas