Datatables / rowCallback Bug

by Doug Smith

HTML

<link rel="stylesheet" href="https://cdn.datatables.net/1.10.9/css/jquery.dataTables.min.css">
<link rel="stylesheet" href="https://cdn.datatables.net/colreorder/1.2.0/css/colreorder.dataTables.min.css">
<script src="https://cdn.datatables.net/1.10.9/js/jquery.dataTables.min.js"></script>
<script src="https://cdn.datatables.net/colreorder/1.2.0/js/dataTables.colreorder.min.js"></script>
<table id="example" class="display" cellspacing="0" width="100%">
        <thead>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </thead>
 
        <tfoot>
            <tr>
                <th>Name</th>
                <th>Position</th>
                <th>Office</th>
                <th>Age</th>
                <th>Start date</th>
                <th>Salary</th>
            </tr>
        </tfoot>
 
        <tbody>
            <tr>
                <td>Tiger Nixon</td>
                <td>System Architect</td>
                <td>Edinburgh</td>
                <td>61</td>
                <td>2011/04/25</td>
                <td>$320,800</td>
            </tr>
            <tr>
                <td>Garrett Winters</td>
                <td>Accountant</td>
                <td>Tokyo</td>
                <td>63</td>
                <td>2011/07/25</td>
                <td>$170,750</td>
            </tr>
            <tr>
                <td>Ashton Cox</td>
                <td>Junior Technical Author</td>
                <td>San Francisco</td>
                <td>66</td>
                <td>2009/01/12</td>
                <td>$86,000</td>
            </tr>
            <tr>
                <td>Cedric Kelly</td>
                <td>Senior Javascript Developer</td>
                <td>Edinburgh</td>
                <td>22</td>
                <td>2012/03/29</td>
                <td>$433,060</td>
           ...

JavaScript

$('#example').dataTable( {
  "colReorder": {fixedColumnsLeft: 1},
  "rowCallback": function( row, data, index ) {
    // Bold the grade for all 'A' grade browsers
    if ( data[3] >= 30 ) {
      $('td:eq(3)', row).html( '<b>' + data[3] + '</b>' );
    }
  }
});