[webkit-dev] Limiting slow unload handlers (Re: Back/forward cache for pages with unload handlers)

[Darin Fisher]

On Thu, Oct 15, 2009 at 1:53 PM, Peter Kasting <pkasting at google.com> wrote:

> On Thu, Oct 15, 2009 at 1:50 PM, John Abd-El-Malek <jam at google.com> wrote:
>
>> Does this argue for making the image loading trick work all the time from
>> JS, not just from unload handlers?  I tested with IE and it looks like the
>> image trick works all the time, not just in unload handlers.  My test case
>> was to load the image in the onload handler and change document.location to
>> "about:blank" right after.  Firefox/Safari/Chrome didn't load the image most
>> of the time.
>>
>
> This would mean normal pages that are still loading would keep loading all
> their images after navigation, wouldn't it?  Bad.
>

Right.  For this reason, limiting it to just unload handlers seems best.  It
is unlikely that images created during unload would be for anything other
than pings.

-Darin
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-dev/attachments/20091015/8c735d5d/attachment-0001.html>