anchor.diff:        changeMonth: true,
         dateFormat: "yy-mm-dd",
         yearRange: '2000:2099',
  +})
  +
  +DataTable = $.fn.dataTable
  +$.extend( true, DataTable.Buttons.defaults, {
  +  dom:
  +    button:
  +      className: 'btn btn-outline-secondary btn-sm'
   })
   
   ready = ->
  
positive.code:       },
        {
          extend: 'excel',
          className: 'btn-sm btn-outline-secondary',
          exportOptions: {
            columns: ':visible',
            search: ':applied'
  
negative.code:     buttons: [
        {
          extend: 'copy',
          exportOptions: {
            columns: ':visible',
            search: ':applied'
  