Bfrtip to lBfrtip
dom: 'Bfrtip',
lengthMenu: [[10, 25, 50, -1], [10, 25, 50, "All"]], // page length options
buttons: [
{
extend: 'copy',
exportOptions: {
columns: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22]
}
},