Order Dates on DataTables with format DD/MM/YY

dates.js

$.fn.dataTable.ext.oSort['uk_date-desc'] = function( a,b ) {
  var ukDatea = a.split('/');
  var ukDateb = b.split('/');
  var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
  var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
  return ((x < y) ? 1 : ((x > y) ?  -1 : 0));
}

$.fn.dataTable.ext.oSort['uk_date-asc'] = function( a,b ) {
  var ukDatea = a.split('/');
  var ukDateb = b.split('/');
  var x = (ukDatea[2] + ukDatea[1] + ukDatea[0]) * 1;
  var y = (ukDateb[2] + ukDateb[1] + ukDateb[0]) * 1;
  return ((x < y) ? -1 : ((x > y) ?  1 : 0));
}

/* https://datatables.net/forums/discussion/25986/cannot-sort-on-uk-date */