text: define(['./restArguments', './_flatten', './filter', './contains'], function (restArguments, _flatten, filter, contains) {
  
    // Take the difference between one array and a number of other arrays.
    // Only the elements present in just the first array will remain.
    var difference = restArguments(function(array, rest) {
      rest = _flatten(rest, true, true);
      return filter(array, function(value){
        return !contains(rest, value);
      });
    });
  
    return difference;
  
  });
  