Lists all possible permutations.
Similar: permutation, permutations, hasPermutation.
This is part of package extra-array.
This is browserified, minified version of @extra-array/permutations.
It is exported as global variable array_permutations.
CDN: unpkg, jsDelivr.
array.permutations(x, [n]);
// x: an array
// n: number of values (-1 => any)const array = require("extra-array");
[...array.permutations([1, 2])];
// [ [], [ 1 ], [ 2 ], [ 1, 2 ], [ 2, 1 ] ]
[...array.permutations([1, 2, 3])];
// [
// [], [ 1 ],
// [ 2 ], [ 3 ],
// [ 1, 2 ], [ 1, 3 ],
// [ 2, 1 ], [ 2, 3 ],
// [ 3, 1 ], [ 3, 2 ],
// [ 1, 2, 3 ], [ 1, 3, 2 ],
// [ 2, 1, 3 ], [ 2, 3, 1 ],
// [ 3, 1, 2 ], [ 3, 2, 1 ]
// ]
[...array.permutations([1, 2, 3], 2)];
// [ [ 1, 2 ], [ 1, 3 ], [ 2, 1 ], [ 2, 3 ], [ 3, 1 ], [ 3, 2 ] ]