[whatwg] Node inDocument

Fri Sep 2 10:00:44 PDT 2011

On Fri, Sep 2, 2011 at 8:31 AM, Jonas Sicking <jonas at sicking.cc> wrote:

> 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.
>

But shouldn't b's contentDocument contains node?  I mean b.contains(node)
should return false but b.contentDocument.contains(node) should return true,
no?

- Ryosuke