Answers for "datatables hidden column"

hide datatable columns using datatable predifine function

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

datatables dynamically hide columns

const table = $('#example').DataTable();

// Get the column API object
const column = table.column( 2 ); // gets 2nd column (0-indexed)
 
// Toggle the visibility
column.visible( ! column.visible() ); // true or false