code: function baseDifference(array, values) {
        var index = -1,
            indexOf = getIndexOf(),
            length = array ? array.length : 0,
            result = [];
  
        if (createCache && values && indexOf === baseIndexOf && values.length >= LARGE_ARRAY_SIZE) {
          indexOf = cacheIndexOf;
          values = createCache(values);
        }
        while (++index < length) {
          var value = array[index];
          if (indexOf(values, value) < 0) {
            result.push(value);
          }
        }
        return result;
      }
docs: The base implementation of `_.difference` that accepts a single array
  of values to exclude.
  
  @private
  @param {Array} array The array to process.
  @param {Array} [values] The array of values to exclude.
  @returns {Array} Returns a new array of filtered values.