Ajax request subdomain

Is there a way to get ajax requests from http://foobar.com to snatch data from pages such as http://sub1.foobar.com/choco.php ?

It seems subdomain 开发者_如何学JAVArequests are still not allowed via javascript

If the data is not sensitive, you may use JSONP (JSON with Padding) as an alternative.

http://en.wikipedia.org/wiki/JSON#JSONP

JSONP (as Andrew mentioned) or a Proxy Script.

You may use the Access-Control-Allow-Origin header for modern browsers, and wrap the request on the local domain for antique browsers.