text: jQuery(document).ready(function($) {
      'use strict';
  
      if ($("table.first").length) {
  
          $(document).ready(function() {
              $('table.first').DataTable();
          });
      }
  
      /* Calender jQuery **/
  
      if ($("table.second").length) {
  
          $(document).ready(function() {
              var table = $('table.second').DataTable({
                  lengthChange: false,
                  buttons: ['copy', 'excel', 'pdf', 'print', 'colvis']
              });
  
              table.buttons().container()
                  .appendTo('#example_wrapper .col-md-6:eq(0)');
          });
      }
  
  
      if ($("#example2").length) {
  
          $(document).ready(function() {
              $(document).ready(function() {
                  var groupColumn = 2;
                  var table = $('#example2').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
                  $('#example2 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();
                      }
                  });
              });
          });
      }
  
      if ($("#example3").length) {
  
          $('#example3').DataTable({
              select: {
                  style: 'multi'
              }
          });
  
      }
      if ($("#example4").length) {
  
          $(document).ready(function() {
              var table = $('#example4').DataTable({
                  fixedHeader: true
              });
          });
      }
  
  });