How to use html5shiv with Iframe sandbox attribute

Question

I would like to use html5shiv for support on IE9 but I can't get it to work. I have installed this in the head section:

<!--[if IE 9]>

<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->

I need support for HTML5 Iframe sandbox:

<iframe id="iframe" src="http://www.telegraaf.nl" sandbox="allow-scripts allow-forms allow-same-origin"></iframe>

The website in the Iframe will break out the iframe in IE9 so that means the sandbox is not working. I think the problem is maybe that the sandbox is an attribute of iframe rather than a "style method/element".

So basically I need some advice on this. What else can I do? Is there a plugin (jquery?javascript?) somewhere that will support sandbox in IE?

@undefined Oke but it doesn't seem to support sandbox. (and I actually need it for IE8 as well ) — Youss
– Youss, Commented May 14, 2013 at 8:56
The html5shiv script does not add any functionality – it simply makes unknown elements known to IE by creating them. This does not influence what attributes IE might support on certain elements; and besides that, iframe is not even in the list of elements that the shiv deals with. — C3roe
– C3roe, Commented May 14, 2013 at 8:58
@CBroe Thanks, I already kinda figured that out (Im new at this) — Youss
– Youss, Commented May 14, 2013 at 9:04

Aurelio De Rosa · Accepted Answer · 2013-05-14 08:55:20Z

1

You don't need html5shiv in this case but a polyfill for that property.

answered May 14, 2013 at 8:55

Aurelio De Rosa

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2 Comments

Youss Over a year ago

I did everything suggested over here: css-tricks.com/how-to-use-the-webshims-polyfill It doesn't work for iframe sandbox so it seems. I did accept your answer because I don't think there is anything else...This is what I did jsfiddle.net/u5Kpq/2 Doesn't work in IE9 Any other suggestions..?

Aurelio De Rosa Over a year ago

In short, IE < 10 doesn't support sandbox attribute (caniuse.com/iframe-sandbox). Here is where it works: caniuse.com/iframe-sandbox It seems that a polyfill doesn't exist for this attribute.

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