[webkit-dev] SharedScript: next steps and result of offline discussion.

[Maciej Stachowiak]

On Dec 15, 2009, at 11:09 AM, Michael Nordman wrote:

>
>
> On Mon, Dec 14, 2009 at 9:16 PM, Darin Fisher <darin at chromium.org>  
> wrote:
> I think that use case has been de-emphasized.  However, if we wanted  
> to support it, we'd probably have to say that removeChild of an  
> IFRAME element doesn't cause the unload event to be dispatched.   
> (I'm a bit concerned that that may cause incompatibilities with  
> existing pages.)  Then, you'd have to store a reference to the  
> IFRAME element in a global variable, so that you could find it again  
> when the next document is loaded.
>
> I hope this use-case can be accommodated, I think this is ultimately  
> the more generally applicable use-case. Btw, concern for  
> incompatibilities with existing pages was one reason we came up with  
> a new construct for this capability (instead of overloading <iframe>  
> or <script>).

If you want to minimize new work on a page transition, then you should  
use history.pushState and alter the content in place. Saving a subsite  
of live script and DOM objects across a full page load does not seem  
useful to me, since likely removing the full page load will be a  
bigger improvement to load time and responsiveness.

Regards,
Maciej


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