Origin is not allowed by Access-Control-Allow-Origin

Question

I\'m making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap).

The response from the server is the following:

Answer 1

I've run into this a few times when working with various APIs. Often a quick fix is to add "&callback=?" to the end of a string. Sometimes the ampersand has to be a character code, and sometimes a "?": "?callback=?" (see Forecast.io API Usage with jQuery)