Re: Moving an iframe in the DOM

FWIW, I would suggest that if the spec is ambiguous on it, it should be
updated such that the ambiguity is resolved in favor of the behavior you're
seeing being a bug. IMHO, the properties you've set on the iframe's window
object should be retained.
--
T.J. Crowder
Independent Software Engineer
tj@crowdersoftware.com


On 16 March 2012 05:31, John J Barton <johnjbarton@johnjbarton.com> wrote:

> The HTML5 spec has:
>
> "Removing an iframe from a Document does not cause its browsing
> context to be discarded. . Indeed, an iframe's browsing context can
> survive its original parent Document if its iframe is moved to another
> Document."
>
> To me this statement is ambiguous, since we don't know what 'not ...
> discarded' or "survive' means.  Does 'survive' mean that the values in
> the browsing context remain intact?  If the context were to say issue
> setInterval based computations, would these continue?
>
> I am doing the equivalent of:
>  document.body.appendChild(iframe);
>  // sometime after the load event:
>  anotherElement.appendChild(iframe);
>
> The second appendChild should remove the iframe element from the
> document and then insert it under anotherElement. And it does.
>
> However the properties of the window object that I set are not retained.
>
> If I look at the value of iframe.contentWindow.editorInterface before
> the second appendChild(), it has the values I defined in the iframe.
>
> If I look at the value after the second appendChild() it is 'undefined'.
>
> I can't tell from the spec if this is a bug or not. Do we know?
>
> jjb
>
>