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Re: Opera's Proposal for :context Selector

From: fantasai <fantasai.lists@inkedblade.net>
Date: Sun, 13 Jul 2008 13:38:23 -0700
Message-ID: <487A67BF.6040908@inkedblade.net>
To: Lachlan Hunt <lachlan.hunt@lachy.id.au>
CC: www-style <www-style@w3.org>

Lachlan Hunt wrote:
> Hi,
>   This is a proposal for a new :context pseudo-class designed to match 
> the context node of a query, where the the scope of elements that match 
> a given Selector is constrained to be within a subtree rooted by a 
> particular node.
> This proposal has been developed based on work within the Web 
> Application Working Group.  It has been designed primarily for use with 
> Selectors API to meet the needs of JavaScript libraries such as JQuery 
> and Dojo, but is also suitable for use with scoped stylesheets in HTML5.
> I am prepared to be the editor of this specification and, if necessary, 
> join the CSS WG in order to do so, or it could be worked on within the 
> WebApps WG under advise from the CSS WG.
> The proposal can be found here:
> http://lists.w3.org/Archives/Public/www-archive/2008Jul/att-0019/Overview.html 

Hi Lachlan,

Have you considered handling these queries by passing an option
to querySelector that scopes the selector to the context node?
(Or in the case of HTML5 scoped style, defining a syntax for the
style element that does the same.) What are the advantages of
doing this with a pseudo-class instead of that approach?

Received on Sunday, 13 July 2008 20:39:10 UTC

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