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Re: [mediaqueries] Queries for image support

From: Florian Rivoal <florian@rivoal.net>
Date: Thu, 21 Apr 2016 18:03:48 +0900
Cc: "www-style@w3.org list" <www-style@w3.org>
Message-Id: <0D795123-A7BB-411F-A4E5-7C55C83545D3@rivoal.net>
To: Amelia Bellamy-Royds <amelia.bellamy.royds@gmail.com>

> On Apr 21, 2016, at 15:31, Amelia Bellamy-Royds <amelia.bellamy.royds@gmail.com> wrote:
> For this kind of use cases, especially the first one, I think a pseudo class that matches on images that fail to load would be easier to use than a media query.
> An element pseudoclass does have the benefit of applying to broken links as well as no-image settings.  Mozilla already has a prefixed pseudoclass for this case.  However, it puts constraints on which *other* elements you can effect with the selector (needs to be a direct sibling after the missing image in the DOM tree).  This limits the use for doing things like un-hiding text labels and captions.  Still better than nothing, of course.  

Right. Maybe we could make something along these lines to work, and it would solve the problem:

  label[for] { display: none; }
  image:failed-to-load { display: none; }
  label:for(image:failed-to-load) { display: block; }
<label for="foo">This is my nice image</label>
<img src="....." alt="...." id="foo">
Received on Thursday, 21 April 2016 09:04:14 UTC

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