What is Cross Domain AJAX?

[chinmay.sahoo]

By default, web browsers allows AJAX calls only to your web application’s site of origin i.e. site hosted server. This restriction help us to prevent various security issues like cross site scripting (XSS) attacks. But, sometimes you need to interact with externally hosted API(s) like Twitter or Google.Hence to interact with these external API(s) or services your web application must support JSONP requests or Cross-Origin Resource Sharing (CORS). By default, ASP.NET MVC does not support JSONP or Cross-Origin Resource Sharing.For this you need to do a little bit of coding and configuration.

 

[experchinmay]

cross-domain ajax request to the server side script and the script will send requested data as response.

 

[Harry212]

I think cross-domain AJAX is the Ajax request to other domain.

 

[alberto-morrison]

If the script on your page is running from domain mydomain.com and would like to request a resource via an XmlHttpRequest or XDomainRequst from domain otherdomain.com, this is a cross-origin request. Historically, for security reasons these types of requests have been prohibited by browsers.

 

[AngelaPender]

CORS is a mechanism that defines a procedure in which the browser and the web server interact to determine whether to allow a web page to access a resource from different origin. In particular, JavaScript's AJAX calls can use the XMLHttpRequest mechanism. Such "cross-domain" requests would otherwise be forbidden by web browsers, per the same origin security policy.