1Spinner Example 
2$(document).ready(function() {
3   var table = $('#table_id').DataTable({
4     "language": {
5                    "processing": '<i class="fa fa-spinner fa-spin" style="font-size:24px;color:rgb(75, 183, 245);"></i>'
6                 }
7   });
8 });

1$(document).ready( function() {
2  $('#example').dataTable( {
3    "fnDrawCallback": function( oSettings ) {
4      alert( 'DataTables has redrawn the table' );
5    }
6  } );
7} );