How to use cross-domain connections (CORS - Access Control Allow Origin) with SignalR

Question

Using persistent connections and an ASP.NET JavaScript client, I am trying to connect to a sub-domain not the same as the one the page was served from.

ASP.Net Page

Answer 1

var connection = $.connection('http://somecrossdomainurl/echo')
connection.start({ transport: 'longPolling', xdomain: true });

https://github.com/SignalR/SignalR/wiki/SignalR-JS-Client