Answers for "how to hide table header in datatables print"

hide datatable columns using datatable predifine function

$(document).ready(function() {
    $('#example').DataTable( {
        "columnDefs": [ 
            {
                "targets": [ 2 ],
                "visible": false,
                "searchable": false
            },
            {
                "targets": [ 3 ],
                "visible": false
            }
        ]
    } );
} );

datatables hide showing entries

// pre v1.10
   $('#example').dataTable({
       bInfo : false
   });
   
   // v1.10+
   $('#example').DataTable({
       info : false
   });