<html>
<head>
<script type="text/javascript">
function showRow()
{
alert(document.getElementById('myTable').rows[0].innerHTML)
}
</script>
</head>
<body>
<table id="myTable" border="1">
<tr>
<td>Row1 cell1</td>
<td>Row1 cell2</td>
</tr>
<td>Row2 cell1</td>
<td>Row2 cell2</td>
<td>Row3 cell1</td>
<td>Row3 cell2</td>
</table>
<br />
<input type="button" onclick="showRow()" value="显示第一行的 innerHTML">
</body>
</html>