表格中添加表单

  <div class="modal-body" id="recommendSite-form">
                <table class="table table-bordered table-condensed recommendTable">
                    <thead >
                        <tr>
                            <th >网站名称</th>
                            <th>网址</th>
                        </tr>
                    </thead>
                    <tbody id="recommendTbody">
                        <tr >
                            <td>
                                    <input class="form-control" >
                            </td>
                            <td>
                                    <input class="form-control" >
                            </td>
                            <td >
                                <span class="btn-group">
                                    <span class="btn btn-default glyphicon glyphicon-plus-sign addRow"></span>
                                    <span class="btn btn-default glyphicon glyphicon-minus-sign delRow"></span>
                                </span>

                            </td>
                        </tr>

                    </tbody>

                </table>
</div>

$(function () {
    //点击推荐显示表单
    $("#recommendSite").click(function () {
       $(‘#recommendModal‘).modal(‘show‘)
    });

    //添加一行
    //使用on注册，而不是click
    $(document).on(‘click‘,".addRow",function () {
        var appendContext =
            "<tr >" +
            "        <td>" +
            "                <input class=‘form-control‘ >" +
            "        </td>" +
            "        <td>" +
            "                <input class=‘form-control‘ >" +
            "        </td>" +
            "        <td >" +
            "            <span class=‘btn-group‘>" +
            "                <span class=‘btn btn-default glyphicon glyphicon-plus-sign addRow‘></span>" +
            "                <span class=‘btn btn-default glyphicon glyphicon-minus-sign delRow‘></span>" +
            "            </span>" +
            "        </td>" +
            "</tr>";
        $(this).parent().parent().parent().after( $(appendContext))

    }) ;

    //删除一行
    $(document).on(‘click‘,".delRow",function () {
        var tr = $(this).parent().parent().parent();
        if (tr.siblings().length!=0){//需要保留一行
            tr.remove();
        }
    });

    $("#recommendSubmit").click(function () {

    });


});