관리-도구

편집 파일: xor.js

var arrayPush = require('../internal/arrayPush'), baseDifference = require('../internal/baseDifference'), baseUniq = require('../internal/baseUniq'), isArrayLike = require('../internal/isArrayLike'); /** * Creates an array of unique values that is the [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference) * of the provided arrays. * * @static * @memberOf _ * @category Array * @param {...Array} [arrays] The arrays to inspect. * @returns {Array} Returns the new array of values. * @example * * _.xor([1, 2], [4, 2]); * // => [1, 4] */ function xor() { var index = -1, length = arguments.length; while (++index < length) { var array = arguments[index]; if (isArrayLike(array)) { var result = result ? arrayPush(baseDifference(result, array), baseDifference(array, result)) : array; } } return result ? baseUniq(result) : []; } module.exports = xor;