columnDefs: [{ targets:[1], render: function(data, type, row, meta){ if(type === 'sort'){ //data = ' ' + data ; return "\u200C" + data ; } return data ; } }],
{ text: 'Excel', extend: 'excel', footer: false, className: 'btn btn-sm btn-outline-secondary', exportOptions: { orthogonal: 'sort', columns: ':visible' }, extension: '.xlsx', init: function(api,node,config){ $(node).removeClass('dt-button') } },