[whatwg] Adding a src attribute to all elements

Michael A. Puls II shadow2531 at gmail.com
Wed Nov 4 02:13:16 PST 2009

On Wed, 04 Nov 2009 05:03:49 -0500, Markus Ernst <derernst at gmx.ch> wrote:

> Tab Atkins Jr. schrieb:
> On Tue, Nov 3, 2009 at 8:21 PM, Michael A. Puls II  
> <shadow2531 at gmail.com> wrote:
> On Tue, 03 Nov 2009 21:05:26 -0500, Curtiss Grymala <curtiss at ten-321.com>
> wrote:
> For instance, if I create a level 1 header that looks like:
> <h1 src="/example.png">This is a header</h1>
> The text "This is a header" would be replaced with the image that's
> located at /example.png. However, if /example.png returns a 404 error,
> the text would be displayed instead.
> Opera supports this with css extensions.
>  This is supported in the CSS specs properly, via the content property.
>  *[src] {
>   content: attr(src,url);
> }
>  If I understand things correctly, your example seems a little bit  
> confusing to me. The *[src] selector selects elements with a src  
> attribute specified, which does not apply to <h1> (if valid HTML5)

*[data-my-src] {}
<h1 data-my-src="">


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