jquery动态循环添加客户端控件

    <div>
        <p>
            <b>接收邮箱：</b>
            <input id="btnAdd" type="button" value="+添加" onclick="monitor.addMail(this);" />
        </p>
    </div>
    <script type="text/javascript">
        var count=0;
        var monitor = {
            addMail: function (obj) {
                var mailp = document.createElement('p');
                var mailInput = document.createElement('input');
                $(mailInput).attr({ type: 'text', maxLength: 50 });
                var deleteButton = document.createElement('input');
                $(deleteButton).attr('type', 'button').val('删除').click(function () {
                    $(this).parent().remove();
                });
                if (count < 5) {
                    $(obj).parent().parent().append(mailp);
                    $(mailp).append(mailInput).append(deleteButton);
                    count++;
                }
            }
        }
    </script>