Re: [xml-dev] Cross-domain loading of XML

[David Carlisle <davidc@nag.co.uk>]

On 08/12/2010 13:08, Elliotte Rusty Harold wrote:
> On Tue, Dec 7, 2010 at 7:15 PM, Rob Koberg<rob@koberg.com>  wrote:
>
>> First thing: Get the browser builders to allow cross domain loading of
>> XML. Without that you might as just bang your head on a post. (even
>> with that, you will just be banging your head on a padded post)
>
> Just want to double check this. JSON can be loaded cross-domain and
> XML can't, right? I.e. I can eval JSON from an arbitrary host in my
> browser-based JavaScript and I can't load XML using XmlHTTPRequest
> unless it comes from the same host? Or is it more subtle than that? If
> so, is there a detailed analysis somewhere of exactly under what
> conditions I can load JSON from where and how?
>
> Googling around I see some blog posts, but no detailed analysis.
>


http://www.w3.org/TR/cors/

says

XMLHttpRequest Level 2 includes support for cross-origin requests.

Not that I've tried it.


David

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