- From: Ryosuke Niwa <rniwa@apple.com>
- Date: Tue, 12 Nov 2013 21:33:07 +0800
- To: Adam Barth <w3c@adambarth.com>
- Cc: "Jukka K. Korpela" <jkorpela@cs.tut.fi>, whatwg <whatwg@lists.whatwg.org>
On Nov 12, 2013, at 4:11 PM, Adam Barth <w3c@adambarth.com> wrote: > On Tue, Nov 12, 2013 at 12:08 AM, Jukka K. Korpela <jkorpela@cs.tut.fi> wrote: >> 2013-11-12 9:58, Adam Barth wrote: >>> Unfortunately, we can't add new tags to head. If the parser sees a >>> tag it doesn't recognize in the head, it creates a fake body tag and >>> pushes the tag down into the body. >> >> But you could use <style type=text/foobar>...</style>, with a suitable value >> for foobar, like x-imgset. This could even be handled with a polyfill in old >> browsers (JavaScript code that reads such elements and interprets their >> content). > > Maybe there's a CSS solution to this problem? Do we just need to make > the preload scanner smarter about interpreting CSS? In fact, I’d argue that CSS will be a better fit to address art direction use case since it’s purely presentational. We could define some ways to list set of images that could be replaced for a given img element in HTML and then let CSS pick which one to use for example. - R. Niwa
Received on Tuesday, 12 November 2013 13:33:38 UTC