W3C home > Mailing lists > Public > www-style@w3.org > September 2014

Re: [Proposal] A property selector

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Wed, 3 Sep 2014 08:42:30 -0700
Message-ID: <CAAWBYDDvw0Y=Mg9VkZE72GYaO59yEehjha4sJZw7j4fUvJdbPg@mail.gmail.com>
To: Michaël Rouges <michael.rouges@gmail.com>
Cc: www-style list <www-style@w3.org>
On Wed, Sep 3, 2014 at 1:10 AM, Michaël Rouges <michael.rouges@gmail.com> wrote:
> Sorry to dig up an old topic, but I thought another practical example where
> it would be very useful : animations/transition.
>
> Indeed, we often need to use JavaScript to avoid an animation/transition at
> the page loading.
>
> This property selector therefore render a selector conditionnal, based on
> the current state of the target elements, in pure CSS.

I'm not sure how a selector based on a property value would help in
this case.  Are you thinking of turning off animations/transitions
when the property has its initial value or something?  That would be
pretty fragile, as properties often hit their initial values during
normal styling.

Regardless of use-cases, the technical issues that make this
infeasible still stand - this is inherently, and viciously, circular.

~TJ
Received on Wednesday, 3 September 2014 15:43:19 UTC

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