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">
var a="15";
function inner(){
	var a="16";
}
inner();
document.write(a);
</script>