JQuery动态增加删除元素

<form action="" method="post" enctype="multipart/form-data">

        <label>请选择上传的图片</label> <a href="javascript:addimg()">增加图片</a>

        <div class="mdiv" id="mdiv">

            <div class="iptdiv">
                <input type="file" name="img[]" class="ipt" /><a href="#"
                    name="rmlink">XXX</a>
            </div>

        </div>

        <input type="submit" name="submit" value="上传图片" />
    </form>

    <script type="text/javascript">
        $(document).ready(function() {
            bindListener();
            
        })

        function addimg() {
            $("#mdiv").append(
                            '<div class="iptdiv" ><input type="file" name="img[]" class="ipt" />'+
                            '<a href="#" name="rmlink">XXX</a></div>');
            //为新元素节点添加事件侦听器
            bindListener();
            
        }
        
        function bindListener(){
            $("a[name='rmlink']").unbind().click(function(){
                $(this).parent().remove();
            })
            
        }
    </script>