text: $(document).ready(function() {
      
      "use strict";
      //$('#zero-conf').DataTable();
  
      $('#complex-header').DataTable();
  
      var groupColumn = 2;
      var table = $('#row-grouping').DataTable({
          "columnDefs": [
              { "visible": false, "targets": groupColumn }
          ],
          "order": [[ groupColumn, 'asc' ]],
          "displayLength": 25,
          "drawCallback": function ( settings ) {
              var api = this.api();
              var rows = api.rows( {page:'current'} ).nodes();
              var last=null;
   
              api.column(groupColumn, {page:'current'} ).data().each( function ( group, i ) {
                  if ( last !== group ) {
                      $(rows).eq( i ).before(
                          '<tr class="group"><td colspan="5">'+group+'</td></tr>'
                      );
   
                      last = group;
                  }
              } );
          }
      } );
   
      // Order by the grouping
      $('#row-grouping tbody').on( 'click', 'tr.group', function () {
          var currentOrder = table.order()[0];
          if ( currentOrder[0] === groupColumn && currentOrder[1] === 'asc' ) {
              table.order( [ groupColumn, 'desc' ] ).draw();
          }
          else {
              table.order( [ groupColumn, 'asc' ] ).draw();
          }
      } );
      
      var t = $('#add-row').DataTable();
      var counter = 1;
   
      $('#addRow').on( 'click', function (e) {
          t.row.add( [
              counter +'.1',
              counter +'.2',
              counter +'.3',
              counter +'.4',
              counter +'.5'
          ] ).draw( false );
          counter++;
          e.preventDefault();
      } );
   
      // Automatically add a first row of data
      $('#addRow').click();
  });