Javascript Example - Javascript function closures and design of encapsulated javascript object and class

Javascript Example is extracted from article "Javascript function closures and design of encapsulated javascript object and class " from Cloudgen's Javascript Laboratory

Note for using this example:

There is no detailed explanation for this example.

Source code for the example:

<script type="text/javascript">
function closures(obj, name, rule){
	var data;
	obj["get"+name]=function(){return data}
	obj["set"+name]=function(e){if (rule && rule(e)) data=e}
}
person={};
closures(person,"Age",function(x){return typeof x=="number"});
person.setAge(19);
document.write("My age is "+person.getAge()+"<"+"br/>");
</script>