andykent/alert.js

## alert.js
alert('Hello from alert.js');

## async.html
<html>
  <head>
    <script type="text/javascript">
     (function() {
       var t = document.createElement('script'); t.type = 'text/javascript'; t.async = true; t.src = "./alert.js";
       var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(t, s);
     })();
    </script>
  </head>
  <body>
    <p>You should see me before the alert fires :)</p>
  </body>
</html>

## inline.html
<html>
  <head>
    <script src="./alert.js" type="text/javascript" charset="utf-8"></script>
  </head>
  <body>
    <p>The alert will fire before you see me and you'll be waiting ages :(</p>
  </body>
</html>
	<html>
	<head>
	<script type="text/javascript">
	(function() {
	var t = document.createElement('script'); t.type = 'text/javascript'; t.async = true; t.src = "./alert.js";
	var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(t, s);
	})();
	</script>
	</head>
	<body>
	<p>You should see me before the alert fires :)</p>
	</body>
	</html>
	<html>
	<head>
	<script src="./alert.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
	<p>The alert will fire before you see me and you'll be waiting ages :(</p>
	</body>
	</html>