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20、formAdd,javascript实习动态添加

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<!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="http://www.mamicode.com/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>

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20、formAdd,javascript实习动态添加