<html>
<head>
<style>
table, td {
border: 1px solid black;
}
</style>
</head>
<body>
<h1>演示如何访问 TABLE 元素</h1>
<table id="myTable">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<p>单击按钮可删除表格中的第一行。</p>
<button onclick="myFunction()">试一试</button>
<script>
function myFunction() {
var x = document.getElementById("myTable");
x.deleteRow(0);
}
</script>
</body>
</html>