Basic jQuery + jQuery UI

<!doctype html>
<html>
<head>
  <meta charset="utf-8">
  <title><!-- Title here --></title>
  <link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.23/themes/base/jquery-ui.css">
  <link rel="stylesheet" href="style.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
  <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.10.2/jquery-ui.min.js"></script>
  <script src="script.js"></script>
</head>
<body>
  <h1>jQueryUI Datepicker</h1>
  <p>Open your console:</p>
  <pre>$(function(){
  $.datepicker.parseDate( '@', '-996436800000');
});</pre>
<p>Outputs: <span style='color: red;'>Uncaught Missing number at position 0 </span></p>
</body>
</html>

// Add your javascript here
$(function(){
  $.datepicker.parseDate( '@', '-996436800000');
});

/* Put your css in here */

h1 {
  color: red;
}