12.7_callback_example_2.html

<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>Example Callbacks</title>
</head>
<body>
	<script type="text/javascript">
		function getData(callback){

			var name = prompt("Welcome to LearnVern \n Please enter your Name:");

			var age = prompt("Please enter your Age:");

			callback(name,age);
		}

		function showData(name,age){
			alert("Name:"+name+"\nAge:"+age);
		}

		function showDescription(a,b){
			document.writeln("Name:"+a+"<br>");
			document.writeln("Age:"+b+"<br>");
		}

		// getData(showData);
		getData(showDescription);
	</script>
</body>
</html>