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to www-dom Re: [DOM3Events] Use cases for Mutation Events

From: Charles McCathieNevile <chaals@opera.com>
Date: Tue, 09 Jun 2009 16:59:57 +0200
To: "Sergey Ilinsky" <castonet@yahoo.co.uk>, "Webapps WG" <public-webapps@w3.org>
Message-ID: <op.uu9il7l1wxe0ny@widsith.local>

just a reminder that DOM3 discussion should be on the www-dom list. Please
follow up there.

(I have forwarded a collated version of this thread to that list.)



On Thu, 04 Jun 2009 12:52:39 +0200, Sergey Ilinsky <castonet@yahoo.co.uk>

> Hi,
> For me it is not clear at all what are the use cases for DOM Mutations  
> Events on web pages (so maybe simply dropping their implementation would  
> be an option?).
> If the group could first identify the use cases for Mutation Events on  
> the web pages, then:
> a) it would become clear to everyone whether the progress is needed
> b) creating proposals on progress would become easier, a proposal would  
> have to satisfy these use case to prove its viability
> Other thoughts:
> 1) If I am the author to the scripts that modify document, then I am  
> indeed aware of what gets changed. If I am not the author, I shall then  
> not have been notified on the change. The use cases such as "debugger"  
> do not count here - it would be possible to offer required APIs (such as  
> DOM Mutation Events) to them only, without needing the API to populate  
> on the page. And this is not a sucrifice to run page 50% slower caused  
> by the Mutation Events turned on on behalf of a debugger, right?
> 2) I can see Mutation Events as the extension point that enables  
> implementation of the technologies that are not available in the  
> browser. However this is not a "normal" usecase that web browsers are  
> here to face.
> Sergey/

Charles McCathieNevile  Opera Software, Standards Group
       je parle français -- hablo español -- jeg lærer norsk
http://my.opera.com/chaals       Try Opera: http://www.opera.com
Received on Tuesday, 9 June 2009 15:00:37 UTC

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