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Re: element markup in attributes
- From: Laurens van den Oever <laurens@xopus.com>
- To: "Simon St.Laurent" <simonstl@simonstl.com>
- Date: Wed, 17 Feb 2010 16:17:12 +0100
> I wonder if just letting iframe have child content would make more sense, but I suspect that raises more compatibility problems > with older browsers.
Why not go with this more sensible option unless someone has a valid argument against it?
FWIW: IE6, IE8, FF3.6, Chrome 4.0 and Opera 10.10 all show the same behavior: They hide the content of the <iframe> element and only show content for a document referenced with @src.
The same behavior you would expect when using @srcdoc. I would expect the same behavior in older browsers as well, but I haven't confirmed.
Laurens van den Oever
Xopus BV
http://xopus.com +31 70 4452345 KvK 27301795 2010/2/17 Simon St.Laurent <simonstl@simonstl.com>
I hesitate a bit in raising questions about HTML5 here, mostly because of concerns that the violence of that conversation will enter the discussion here. Nonetheless, this list is the best place I know of to discuss markup best practices, and seems like the right place to ask the question.
The iframe element has always been a tricky critter, but in HTML5 it's picked up a srcdoc attribute which "gives the content of the page that the nested browsing context is to contain." This allows the construction of short documents in an iframe context without requiring a separate HTTP request through the src attribute.
Details can be found here:
<http://dev.w3.org/html5/spec-author-view/the-iframe-element.html>
<http://www.whatwg.org/specs/web-apps/current-work/multipage/the-iframe-element.html>
So what does this look like? Here are three examples from those specs.
-----------------------------------
<iframe seamless sandbox="allow-same-origin" srcdoc="<p>did you get a cover picture yet?"></iframe>
<iframe seamless sandbox="allow-same-origin" srcdoc="<p>Yeah, you can see it <a href=""/gallery?mode=cover&amp;page=1">in" my gallery</a>."></iframe>
<iframe seamless sandbox="allow-same-origin" srcdoc="<p>hey that's earl's table.
<p>you should get earl&amp;me on the next cover."></iframe>
-----------------------------------
What do folks think? Is this reasonable, given the use case, or is this pushing too hard on attributes and escaping?
I wonder if just letting iframe have child content would make more sense, but I suspect that raises more compatibility problems with older browsers.
Thanks,
--
Simon St.Laurent
http://simonstl.com/
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