Example 4

example4.js

(function(){ //opens the closure
 
	//definition of private object Animal
	var Animal= function(){
		this.name="";
	};
	
	Animal.prototype={
		getAnimal : function(code){
			//AJAX call to get the description
			$.ajax({
				url : "getDescription.json",
                                dataType : "json", 
				data : JSON.stringify({"code" : code}),
				success : function(response){
					this.name=response;
                                }
                        });
		}
	};
 
	//myLib public interface
	window.myLib = {
		selector : null,
		initialize : function(){
                        //public property instantiates an instance of Animal
			this.selector= new Animal(); 
		},
		selectAnimal : function(code){
			this.selector.getAnimal(code);
			return this.selector.name;
		}
        };
 
})(); //closes the closure

//initializes selector publicly 
window.myLib.initialize();
//Call selectAnimal publicly
//Returns 'Dog'
window.myLib.selectAnimal("d");