difference.js
 1  var baseDifference = require('./_baseDifference'),
 2      baseFlatten = require('./_baseFlatten'),
 3      baseRest = require('./_baseRest'),
 4      isArrayLikeObject = require('./isArrayLikeObject');
 5  
 6  /**
 7   * Creates an array of `array` values not included in the other given arrays
 8   * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
 9   * for equality comparisons. The order and references of result values are
10   * determined by the first array.
11   *
12   * **Note:** Unlike `_.pullAll`, this method returns a new array.
13   *
14   * @static
15   * @memberOf _
16   * @since 0.1.0
17   * @category Array
18   * @param {Array} array The array to inspect.
19   * @param {...Array} [values] The values to exclude.
20   * @returns {Array} Returns the new array of filtered values.
21   * @see _.without, _.xor
22   * @example
23   *
24   * _.difference([2, 1], [2, 3]);
25   * // => [1]
26   */
27  var difference = baseRest(function(array, values) {
28    return isArrayLikeObject(array)
29      ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
30      : [];
31  });
32  
33  module.exports = difference;