radio组的选中判断

                    <li><input type="button" id="ts" value="测试" />
                    <script type="text/javascript">
                        $("#ts").click(function () {
                            var item = $("input[name='MenuImageAjax']:checked").val();
                            alert(item);
                            console.log(item);
                        });
                      
                    </script></li>