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

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JavaScript Tutorial » jQuery » Event Key 
30. 129. 8. To perform an action when the escape key has been released:
<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:
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