On Wed, Jan 9, 2013 at 1:28 PM, Ian Hickson <i...@hixie.ch> wrote: > On Wed, 9 Jan 2013, Adam Barth wrote: >> The Document interface (which is what we started this thread discussing) >> is never visible across origins and so does not have any of these >> complexities. > > Actually Document objects can be visible across origins per spec, but none > of their properties ever are.
For what it's worth, that doesn't appear to be necessary for web compatibility. Any time WebKit would return a Document to a script in another origin, WebKit returns null instead. Adam