jQuery Event How to - Handle mouse Event once

Question

We would like to know how to handle mouse Event once.

Answer


<!--   w  w  w .  j av a 2 s. co  m-->
<html>
  <head>
    <script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
    <script type="text/javascript">
        $(document).ready(function(){
             $("h1").one("mouseenter mouseleave", function(e){
                 var str = "( " + e.pageX + ", " + e.pageY + " )";
                 $("h1").text(str);
             });
        });
    </script>
  </head>
  <body>
    <body>
       <div><h1>header 1</h1></div>
    </body>
</html>

The code above is rendered as follows: