JQuery to achieve an increase in table rows and deleting rows

The added use of JQuery and deleting rows datatables plug-in operation

We are experiencing an increase in the use of JQuery and delete rows of a table in the learning process, especially recorded for beginners.

Here is the main code:

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>zengjia he shancu </title>
    <meta charset="utf-8" />
    <script src="../jsPanel-3.5.0/jquery-3.1.1.min.js"></script>
    <script src="../DataTables/js/js/jquery.dataTables.min.js"></script>
    <link href="../DataTables/js/css/jquery.dataTables.min.css" rel="stylesheet" />
    <script type="text/javascript">

        $(document).ready(function () {
            $("#table").DataTable()
        });
        var i = 0;
        //添加行
        function addRow() {
            i  ;
            var rowTem = '<tr class="tr_'   i   '">'
                  '<td><input type="Text" id="txt'   i   '" /></td>'
                  '<td><input type="Text" id="pwd'   i   '"/></td>'
                  '<td><a href="#" onclick=delRow(' i ') >删除</a></td>'
                  '</tr>';
           //var tableHtml = $("#table tbody").html();
           // tableHtml  = rowTem;
              $("#table tbody:last").append(rowTem);
          //  $("#table tbody").html(tableHtml);

        }
        //删除行
        function delRow(_id) {
            $("#table .tr_" _id).hide();
            i--;
        }
        //进行测试
        function ceshi() {
            var str1 = '';
            for( var j=1;j<=i;j  ){
                var str = $("#"   "txt"   j).val();
                str1  = str;
            }
            alert(str1);
        }
    </script>
</head>
<body>
    <div style="width:500px">
        <table id="table" border="1" width="500px" class="display  hover cell-border  border-blue-1" >
            <tr width="150px">
                <th width="70px">用户名</th>
                <th width="70px">密码</th>
                <th width="30px">操作</th>
            </tr>
        </table>
    </div>
    <input type="button" value="添加行" onclick="addRow();" />
    <input type="button" value="测试数据" onclick="ceshi();" />
</body>
</html>

Screenshot run as follows:

Published an original article · won praise 3 · views 10000 +

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Origin blog.csdn.net/u011927449/article/details/104064779
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