夺命雷公狗jquery---24事件移除unbind

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
        <script src="js/jquery.js"></script>
        <script>
            //页面载入事件ready方法
            $(function(){
                //版定事件
                $('img').bind({
                    mouseover:function(){
                        $('#result').html('over');
                    },
                    mouseout:function(){
                        $('#result').html('out');
                    }
                });
                //事件移除
                $('#btndel').bind('click',function(){
                    //事件移除
                    $('img').unbind('mouseout');
                });
            });
        </script>
    </head>
    <body>
        <input type="button" id="btndel" value="OUT" />
        <hr />
        <img src="images/1.jpg" width="100" height="100" />
        <hr />
        <div id="result"></div>
    </body>
</html>