To perform an action when the escape key has been released: : Event Key « jQuery « JavaScript Tutorial

<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
                $(document).keyup(function(event){
                     if (event.keyCode == 27) {
                        alert('escaped!');
                     }
                
                });



        });
    </script>
<style>

  div.dbl { background:yellow;color:black; }
  
</style>
  </head>
  <body>
    <body>
         <p><input type="text" /> <span>focus fire</span></p>
        
        <p><input type="password" /> <span>focus fire</span></p>
    </body>
</html>

30.129.Event Key
	30.129.1.	Check key code
	30.129.2.	Convert key code to char
	30.129.3.	Document key down event
	30.129.4.	Get key code
	30.129.5.	Key pressed event
	30.129.6.	Key up event and check the key code
	30.129.7.	Key up event and get the typed value
	30.129.8.	To perform an action when the escape key has been released: