<table id="datatable">
       <thead>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Office</th>
                <th>Office</th>
            </tr>
        </thead>
    </table>
<script type="text/javascript">
$(document).ready(function() { $('#datatable').dataTable({ "serverSide": true, "ajax": "url.php", }); });
</script>

{"recordsTotal":1,"recordsFiltered":1,"data":[["1","test","test","1","test"]],"draw":"1"}

TypeError: data is undefined