fatbigbright/async demo

## async demo
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Test page</title>
    <script>
        window.onload = function(){
            var slowTask = function(callback){
                setTimeout(function(){
                    callback();
                }, 5000);
            };

            var finishTask = function(){
                var resultNode = document.getElementById('result');
                result.innerHTML = "Got a successful result.";
            };

            slowTask(finishTask);
        };
    </script>
</head>
<body>
    <div id="result">Show result after 5 seconds.</div>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Test page</title>
	<script>
	window.onload = function(){
	var slowTask = function(callback){
	setTimeout(function(){
	callback();
	}, 5000);
	};

	var finishTask = function(){
	var resultNode = document.getElementById('result');
	result.innerHTML = "Got a successful result.";
	};

	slowTask(finishTask);
	};
	</script>
	</head>
	<body>
	<div id="result">Show result after 5 seconds.</div>
	</body>
	</html>