module.exports = function array_udiff(arr1) { // discuss at: https://locutus.io/php/array_udiff/ // original by: Brett Zamir (https://brett-zamir.me) // example 1: var $array1 = {a: 'green', b: 'brown', c: 'blue', 0: 'red'} // example 1: var $array2 = {a: 'GREEN', B: 'brown', 0: 'yellow', 1: 'red'} // example 1: array_udiff($array1, $array2, function (f_string1, f_string2){var string1 = (f_string1+'').toLowerCase(); var string2 = (f_string2+'').toLowerCase(); if (string1 > string2) return 1; if (string1 === string2) return 0; return -1;}) // returns 1: {c: 'blue'} const retArr = {} const arglm1 = arguments.length - 1 let cb = arguments[arglm1] let arr = '' let i = 1 let k1 = '' let k = '' const $global = typeof window !== 'undefined' ? window : global cb = typeof cb === 'string' ? $global[cb] : Object.prototype.toString.call(cb) === '[object Array]' ? $global[cb[0]][cb[1]] : cb arr1keys: for (k1 in arr1) { for (i = 1; i < arglm1; i++) { arr = arguments[i] for (k in arr) { if (cb(arr[k], arr1[k1]) === 0) { // If it reaches here, it was found in at least one array, so try next value continue arr1keys // eslint-disable-line no-labels } } retArr[k1] = arr1[k1] } } return retArr }