[whatwg] onclose events for MessagePort

Ehsan Akhgari ehsan at mozilla.com
Thu Oct 17 14:12:28 PDT 2013

On Tue, Oct 15, 2013 at 5:23 AM, Simon Pieters <simonp at opera.com> wrote:

> On Thu, 10 Oct 2013 17:22:32 +0200, Ehsan Akhgari <ehsan at mozilla.com>
> wrote:
>  Does navigation disentangle ports? I don't think it necessarily does, at
>>> least per spec.
>> The current spec doesn't mention what happens in the case of navigation in
>> the owner for a port as far as I can tell.  But I consider that a bug in
>> the spec -- navigation _should_ disentangle ports.
> Why?
> How would it work? If the port gets disentangled, it means the document
> has to set the salvegeable flag to false, so that navigating back doesn't
> put the document in a broken state. Do browsers do that? Is it the best
> thing to do?
> What if another document also has a reference to the port, does it still
> get disentangled when the owner gets navigated?

Yeah, I think I was wrong to assume that navigation disentangles the

Thanks for correcting me!


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