Browser's have same origin policy for ajax requests which means you cannot make a cross domain ajax request. To overcome this barrier the following methods may be used. Use JSONP Make a service proxy Use dynamic script element In this post i will be explaining  about how to use JSONP . I will be writing a simple script in dojo that will communicate with twitter api and return user's latest tweet's. The dojo.io.script method works by sending name of the callback method along with the asynchronous request and on completion of the request...