20、formAdd,javascript实现动态添加

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<style type="text/css">
    #userTable{
        border: 1px solid black;
    }
    tr,td{
        border: 1px solid black;
        margin: 0px;
        
    }
</style>
</head>
<body>
    姓名:
    <input type="text" name="name" id="name">&nbsp&nbsp 电话:
    <input type="text" name="del" id="del">&nbsp&nbsp 年龄:
    <input type="text" name="age" id="age">
    </br>
    </br>
    <input type="button" onclick="add()" value="添加">

    <table id="userTable">
        <tr>
        <td>姓名</td>
        <td>电话</td>
        <td>年龄</td>
        <td>操作</td>
        </tr>
        <tr>
            <td>李钟硕</td>
            <td>18341893451</td>
            <td>28</td>
            <td><a href="javascript:void(0)" onclick="del(this)">delete</a></td>
        </tr>
        <tr>
            <td>高俊熙</td>
            <td>18341895832</td>
            <td>26</td>
            <td><a href="javascript:void(0)" onclick="del(this)">delete</a></td>
        </tr>
    </table>
</body>
<script type="text/javascript">
    function add() {
        var name = document.getElementById("name").value;
        var del = document.getElementById("del").value;
        var age = document.getElementById("age").value;
        var tr = document.createElement("tr");
        tr.innerHTML = "<td>"
                + name
                + "</td><td>"
                + del
                + "</td><td>"
                + age
                + "</td><td><a href='javascript:void(0)' onclick='del(this)'>delete</a></td>";
        document.getElementById("userTable").appendChild(tr);
    }
    function del(a) {
        a.parentNode.parentNode.parentNode.removeChild(a.parentNode.parentNode);
    }
</script>
</html>

原文地址:https://www.cnblogs.com/weizhen/p/5886971.html