Simple Ajax Call

ajax.js

/**
Example Ajax Call 
**/
var ExampleClass = function() {
	var ec = this; // for access inside the ajax response function.

	ec.init = function() {
		ec.requestJSON( 'http://jsfiddle.net/echo/jsonp/?banana=delicious', ec.processData );
	};
	
	ec.processData = function() {
		ec.result = JSON.parse(this.responseText);
		if(!ec.result.error) {
			console.log('ajax success!',ec.result);
		} else {
			console.log('ajax error');
		}
	};

	ec.requestJSON = function(url, loadCallback) {
		var oReq = new XMLHttpRequest();
		oReq.open("GET", url);
		oReq.send();
		oReq.addEventListener("load", loadCallback);	
	};

	ec.init();

};

new ExampleClass();