实例：
删除表格的第一行：
[HTML] 纯文本查看 复制代码 <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>传智播客(itcast.cn)</title>
<script>
function displayResult(){
document.getElementById("myTable").deleteRow(0);
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>cell 1</td>
<td>cell 2</td>
</tr>
<tr>
<td>cell 3</td>
<td>cell 4</td>
</tr>
</table>
<br>
<button type="button">删除表格第一行</button>
</body>
</html>
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