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<html>
<head>
<script type="text/javascript">
function alertSummary()
{
alert(document.getElementById("table1").summary
);
}
</script>
</head>
<body>
<table id="table1" border="1"
summary="Example table of employees">
<tr>
<th>Firstname</th>
<th>Lastname</th>
</tr>
<tr>
<td>Peter</td>
<td>Griffin</td>
</tr>
</table>
<br />
<input type="button" onclick=alertSummary()
value="Alert table summary" />
</body>
</html>