Try this my friend
// Confirmation Message On Delete Button._x000D_
_x000D_
$('.close').click(function() {_x000D_
return confirm('Are You Sure ?')_x000D_
});
_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<td class='close'></td>
_x000D_