JSONP GET request help

So I’ve been making attempts at learning Ionic an similar frameworks. I stumbled upon a good tutorial http://www.binpress.com/tutorial/a-simple-weather-forecast-app-with-ionic-framework-and-forecastio/107 which has some working JSONP requests, I attempted to retro fit it for my API with some success. By some I mean it makes a sucessful request to the server and nothing else.

I’ve tried smaller ways of connecting to the server only to be met by CORS and other similar problems.

So my question is, does anyone have any secret tutorials that tackle API implementation with Ionic or Angularjs?

Thanks in advance.