No 'Access-Control-Allow-Origin' header is present on the requested resource

[rahamin1]

Hi guys

As I wrote to you in several mails, I failed to use your getOAuthLoginPopupUrlForWebApp API, getting 'Invalid CORS request'.
Brian knows all about that...

I just tried to run this NodeSampelApp, and it has CORS issues, too, as you can see below, from my chrome's console.