页面添加删除元素

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        .hide{
            display: none;
        }
        .modal{
            position: fixed;
            top: 50%;
            left: 50%;
            width: 500px;
            height: 400px;
            margin-left: -250px;
            margin-top: -250px;
            background-color: #eeeeee;
            z-index: 10;
        }
        .shadow{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            opacity: 0.6;
            background-color: black;
            z-index: 9;
        }
    </style>
</head>
<body>
    <a onclick="addElement();">添加</a>

    <table border="1" id="tb">
        <tr>
            <td target="hostname">1.1.1.11</td>
            <td target="port">80</td>
            <td target="ip">80</td>
            <td>
                <a class="edit">编辑</a> | <a class="del">删除</a>
            </td>
        </tr>
        <tr>
            <td target="hostname">1.1.1.12</td>
            <td target="port">80</td>
            <td target="ip">80</td>
            <td>
                <a class="edit">编辑</a> | <a class="del">删除</a>
            </td>
        </tr>

    </table>

    <div class="modal hide">
        <div>
            <input name="hostname" type="text"  />
            <input name="port" type="text" />
            <input name="ip" type="text" />
        </div>

        <div>
            <input type="button" value="取消" onclick="cancelModal();" />
            <input type="button" value="确定" onclick="confirmModal();" />
        </div>
    </div>

    <div class="shadow hide"></div>

    <script src="jquery-1.12.4.js"></script>
    <script>

        $('.del').click(function () {
            $(this).parent().parent().remove();
        });
        
        function  confirmModal() {

            var tr = document.createElement('tr');
            var td1 = document.createElement('td');
            td1.innerHTML = "11.11.11.11";
            var td2 = document.createElement('td');
            td2.innerHTML = "8001";

            $(tr).append(td1);
            $(tr).append(td2);

            $('#tb').append(tr);

            $(".modal,.shadow").addClass('hide');
//            $('.modal input[type="text"]').each(function () {
//                // var temp = "<td>..."
//
//
//
//            })
        }

        function  addElement() {
            $(".modal,.shadow").removeClass('hide');
        }
        function cancelModal() {
            $(".modal,.shadow").addClass('hide');
            $('.modal input[type="text"]').val("");
        }

        $('.edit').click(function(){
            $(".modal,.shadow").removeClass('hide');
            // this
            var tds = $(this).parent().prevAll();
            tds.each(function () {
                // 获取td的target属性值
                var n = $(this).attr('target');
                // 获取td中的内容
                var text = $(this).text();
                var a1 = '.modal input[name="';
                var a2 = '"]';
                var temp = a1 + n + a2;
                $(temp).val(text);
            });
              

//            var port = $(tds[0]).text();
//            var host = $(tds[1]).text();
//
//            $('.modal input[name="hostname"]').val(host);
//            $('.modal input[name="port"]').val(port);
            // 循环获取tds中内容
            // 获取 <td>内容</td> 获取中间的内容
            // 赋值给input标签中的value

        });
    </script>
</body>
</html>
页面添加删除元素

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