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Re: document.load: History and a proposal

From: Maciej Stachowiak <mjs@apple.com>
Date: Tue, 27 Jul 2010 11:35:23 -0700
Cc: Jonas Sicking <jonas@sicking.cc>, Ian Hickson <ian@hixie.ch>, HTML WG <public-html@w3.org>
Message-id: <DF9B6748-F7DA-4B04-A4F3-D9845ED0850A@apple.com>
To: Adam Barth <w3c@adambarth.com>

On Jul 27, 2010, at 8:51 AM, Adam Barth wrote:

> On Tue, Jul 27, 2010 at 5:47 PM, Jonas Sicking <jonas@sicking.cc> wrote:
>> On Mon, Jul 26, 2010 at 10:36 PM, Ian Hickson <ian@hixie.ch> wrote:
>>> On Sat, 27 Mar 2010, Maciej Stachowiak wrote:
>>>> I'm much more concerned about the synchronous version of this API. Is
>>>> there a way to tell how many sites use specifically the synchronous
>>>> pattern, and how many depend on the request being fulfilled
>>>> synchronously? It's true that synchronous XHR already allows blocking
>>>> network I/O, but it's a regrettable part of the platform and I'd rather
>>>> not add more constructs along these lines.
>>> I haven't avoided the sync API here, but I'd be glad to remove it if
>>> browser vendors are not going to support it / are going to remove support.
>>> As written, the spec can have the sync aspects easily removed.
>> Does webkit not support synchronous document.load already? If not, I'd
>> be happy to attempt to remove it from firefox and see what shakes out.
>> I'd also love to remove document.load entirely, but I'm less confident
>> that is doable. Does anyone have data? At the very least I'd like to
>> restrict document.load to not work on displayed documents, i.e.
>> documents with a defaultView != null.
> WebKit doesn't have document.load at all.  This is one of WebKit's
> biggest compat problems.  I don't know whether the compat issues are
> coming from the sync or async versions.

We could try implementing only async and see what happens. Or Gecko could try removing sync support.

Regarding the "displayed document" issue, we could make only documents created by DOMImplementation.createDocument have the load support, which should effectively establish that limit. There again, I think the compat impact is unknown.

Received on Tuesday, 27 July 2010 18:35:57 UTC

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