Tryit Editor v1.8

Source Code:

<!DOCTYPE html>
<html>
<head>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js">
</script>
<script>
$(document).ready(function(){
  $("p").click(function(){
    $("p").on("myPara", function(event, param1, param2, param3){
    alert(param1 + "\n" + param2 + "\n" + param3);
    });
  $("p").triggerHandler("myPara", ['Pass', 'Along', 'Parameters']);
  });
});
</script>
</head>
<body>

<p>Click to alert additional parameters.</p>

</body>
</html>

Result:

W3Schools.com - Try it yourself

Edit the code above and click "Submit Code" to see the result.