W3C home > Mailing lists > Public > www-style@w3.org > October 2012

Re: [cssom] Make CSSStyleSheet constructable

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 22 Oct 2012 14:00:58 -0700
Message-ID: <CAAWBYDAvNXD0V+atDGLHEbZHEuq4Nuw97ddPd69VnAoS5PEUEA@mail.gmail.com>
To: Boris Zbarsky <bzbarsky@mit.edu>
Cc: Dimitri Glazkov <dglazkov@google.com>, "www-style@w3.org" <www-style@w3.org>, Tony Ross <tross@microsoft.com>
On Mon, Oct 22, 2012 at 1:32 PM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
> My main concern with making CSSStyleSheet objects directly constructable is
> that it seems like it creates various footguns, in terms of specification,
> implementation, and use.  Most importantly, it lets you share a single
> CSSStyleSheet across multiple pages, including pages that are not
> same-origin due to document.domain changes....  So if there is a way to
> address the use case without creating all the same complexity, I would be in
> favor of it.

Stylesheets leak most of their information cross-domain anyway - I
think the only reason they're really still restricted is because of
comments, which aren't observable except through examining cssText

Can we just specifically neuter this?  Say that constructed
stylesheets explicitly drop the contents of comments (you need to
preserve the existence of them, unfortunately), and then just allow
open cross-domain sharing?

Received on Monday, 22 October 2012 21:01:45 UTC

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