$("#example tbody tr").click( function( e ) 
  {
    alert('#example tbody tr');
  });   

<table cellpadding="0" cellspacing="0" border="0" class="display" id="example">
	<thead>
		<tr>
			<th width="20%">Rendering engine</th>
			<th width="25%">Browser</th>
			<th width="25%">Platform(s)</th>
			<th width="15%">Engine version</th>
			<th width="15%">CSS grade</th>
		</tr>
	</thead>
	<tbody>
		
	</tbody>
	<tfoot>
		<tr>
			<th>Rendering engine</th>
			<th>Browser</th>
			<th>Platform(s)</th>
			<th>Engine version</th>
			<th>CSS grade</th>
		</tr>
	</tfoot>
</table>

$('#example').dataTable(
  {
		"bProcessing": true,
		"sAjaxSource": 'arrays.txt'            
} );