Lists all possible permutations.
npm install @extra-array/permutations.minLists all possible permutations.
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> Similar: [permutation], [permutations], [hasPermutation].
> This is part of package [extra-array].
[extra-array]: https://www.npmjs.com/package/extra-array
> This is browserified, minified version of [@extra-array/permutations].
> It is exported as global variable array_permutations.
> CDN: [unpkg], [jsDelivr].
[@extra-array/permutations]: https://www.npmjs.com/package/@extra-array/permutations
[unpkg]: https://unpkg.com/@extra-array/permutations.min
[jsDelivr]: https://cdn.jsdelivr.net/npm/@extra-array/permutations.min
``javascript`
array.permutations(x, [n]);
// x: an array
// n: number of values (-1 => any)
`javascript
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 ] ]
``
- Data.List.permutations: Haskell
[permutation]: https://github.com/nodef/extra-array/wiki/permutation
[permutations]: https://github.com/nodef/extra-array/wiki/permutations
[hasPermutation]: https://github.com/nodef/extra-array/wiki/hasPermutation