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javascript表格的添加和删除

2024-07-07 18:05:47   230人阅读

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<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title></title>
    <script type="text/javascript">
        window.onload = function () {
            var oTab = document.getElementById("tb1");
 
            var oBtn = document.getElementById("btnAdd");
            var oName = document.getElementById("txtName");
            var oAge = document.getElementById("txtAge");
            oBtn.onclick = function () {
                var oTr = document.createElement("tr");
                //第一列
                var oTd = document.createElement("td");
                //alert(oTab.tBodies[0].rows.length + 1);
                oTd.innerText = oTab.tBodies[0].rows.length + 1;
                oTr.appendChild(oTd);
                //第二列
                var oTd = document.createElement("td");
                // alert(oName.value);
                oTd.innerText = oName.value;
                oTr.appendChild(oTd);
 
                //第三号
                var oTd = document.createElement("td");
                // alert(oAge.value);
                oTd.innerText = oAge.value;
                oTr.appendChild(oTd);
 
                //第三号
                var oTd = document.createElement("td");
                // alert(oAge.value);
                oTd.innerText = "<a href=‘javascript:void(0);‘>删除</a>";
                oTr.appendChild(oTd);
 
                oTd.getElementsByTagName(‘a‘)[0].onclick = function () {
                    oTab.removeChild(this.parentNode.parentNode);
                };
 
                oTab.tBodies[0].appendChild(oTr);
            }
        }
    </script>
</head>
<body>
    姓名：<input type="text" id="txtName" /> 
    年龄：<input type="text" id="txtAge" />
    <input type="button" id="btnAdd" value=http://www.mamicode.com/"添加" />
    <input type="button" id="btnDel" value=http://www.mamicode.com/"删除" />
    <table id="tb1" border="1" style="width: 500px;">
        <thead>
            <tr>
                <td>ID</td>
                <td>姓名</td>
                <td>年龄</td>
                <td></td>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>1</td>
                <td>Cupid</td>
                <td>66</td>
                <td></td>
            </tr>
            <tr>
                <td>2</td>
                <td>Fly</td>
                <td>45</td>
                <td></td>
            </tr>
            <tr>
                <td>3</td>
                <td>Sky</td>
                <td>23</td>
            </tr>
            <tr>
                <td>4</td>
                <td>Windy</td>
                <td>98</td>
            </tr>
            <tr>
                <td>5</td>
                <td>Snow</td>
                <td>09</td>
                <td></td>
            </tr>
        </tbody>
    </table>
</body>
</html>

　　


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