You Combinations JavaScript (JS)
An efficient combinatorics library for JavaScript to generate and get the list of all Permutations and Combinations with the ability to enable or disable repetition. (utilizing ES2015 generators)
Functions
- PowerSet
- Permutation with repetition
- Permutation without repetition
- Combinations with repetition
- Combinations without repetition
Usage
PowerSet
const your_combinations = new YourCombinations([1, 2, 3]);
[...your_your_combinations.powerSet()]
// [
// [], [ 1 ],
// [ 2 ], [ 1, 2 ],
// [ 3 ], [ 1, 3 ],
// [ 2, 3 ], [ 1, 2, 3 ]
// ]Permutation with repetition
const your_combinations = new YourCombinations([1, 2, 3]);
your_your_combinations.permutations(4, true);
// [ 1, 1, 1, 1 ]
// [ 1, 1, 1, 2 ]
// [ 1, 1, 1, 3 ]
// [ 1, 1, 2, 1 ]
// [ 1, 1, 2, 2 ]
// [ 1, 1, 2, 3 ]
// [ 1, 1, 3, 1 ]
// [ 1, 1, 3, 2 ]
// [ 1, 1, 3, 3 ]
// [ 1, 2, 1, 1 ]
// [ 1, 2, 1, 2 ]
// [ 1, 2, 1, 3 ]
// [ 1, 2, 2, 1 ]
// [ 1, 2, 2, 2 ]
// [ 1, 2, 2, 3 ]
// [ 1, 2, 3, 1 ]
// [ 1, 2, 3, 2 ]
// [ 1, 2, 3, 3 ]
// [ 1, 3, 1, 1 ]
// [ 1, 3, 1, 2 ]
// [ 1, 3, 1, 3 ]
// [ 1, 3, 2, 1 ]
// [ 1, 3, 2, 2 ]
// [ 1, 3, 2, 3 ]
// [ 1, 3, 3, 1 ]
// [ 1, 3, 3, 2 ]
// [ 1, 3, 3, 3 ]
// [ 2, 1, 1, 1 ]
// [ 2, 1, 1, 2 ]
// [ 2, 1, 1, 3 ]
// [ 2, 1, 2, 1 ]
// [ 2, 1, 2, 2 ]
// [ 2, 1, 2, 3 ]
// [ 2, 1, 3, 1 ]
// [ 2, 1, 3, 2 ]
// [ 2, 1, 3, 3 ]
// [ 2, 2, 1, 1 ]
// [ 2, 2, 1, 2 ]
// [ 2, 2, 1, 3 ]
// [ 2, 2, 2, 1 ]
// [ 2, 2, 2, 2 ]
// [ 2, 2, 2, 3 ]
// [ 2, 2, 3, 1 ]
// [ 2, 2, 3, 2 ]
// [ 2, 2, 3, 3 ]
// [ 2, 3, 1, 1 ]
// [ 2, 3, 1, 2 ]
// [ 2, 3, 1, 3 ]
// [ 2, 3, 2, 1 ]
// [ 2, 3, 2, 2 ]
// [ 2, 3, 2, 3 ]
// [ 2, 3, 3, 1 ]
// [ 2, 3, 3, 2 ]
// [ 2, 3, 3, 3 ]
// [ 3, 1, 1, 1 ]
// [ 3, 1, 1, 2 ]
// [ 3, 1, 1, 3 ]
// [ 3, 1, 2, 1 ]
// [ 3, 1, 2, 2 ]
// [ 3, 1, 2, 3 ]
// [ 3, 1, 3, 1 ]
// [ 3, 1, 3, 2 ]
// [ 3, 1, 3, 3 ]
// [ 3, 2, 1, 1 ]
// [ 3, 2, 1, 2 ]
// [ 3, 2, 1, 3 ]
// [ 3, 2, 2, 1 ]
// [ 3, 2, 2, 2 ]
// [ 3, 2, 2, 3 ]
// [ 3, 2, 3, 1 ]
// [ 3, 2, 3, 2 ]
// [ 3, 2, 3, 3 ]
// [ 3, 3, 1, 1 ]
// [ 3, 3, 1, 2 ]
// [ 3, 3, 1, 3 ]
// [ 3, 3, 2, 1 ]
// [ 3, 3, 2, 2 ]
// [ 3, 3, 2, 3 ]
// [ 3, 3, 3, 1 ]
// [ 3, 3, 3, 2 ]
// [ 3, 3, 3, 3 ]Permutation without repetition
const your_combinations = new YourCombinations([1, 2, 3]);
your_your_combinations.permutations(2, false);
// [ 1, 2 ]
// [ 1, 3 ]
// [ 2, 1 ]
// [ 2, 3 ]
// [ 3, 1 ]
// [ 3, 2 ]Combinations with repetition
const your_combinations = new YourCombinations([1, 2, 3]);
your_your_combinations.your_combinations(4, true);
// [ 1, 1, 1, 1 ]
// [ 1, 1, 1, 2 ]
// [ 1, 1, 1, 3 ]
// [ 1, 1, 2, 2 ]
// [ 1, 1, 2, 3 ]
// [ 1, 1, 3, 3 ]
// [ 1, 2, 2, 2 ]
// [ 1, 2, 2, 3 ]
// [ 1, 2, 3, 3 ]
// [ 1, 3, 3, 3 ]
// [ 2, 2, 2, 2 ]
// [ 2, 2, 2, 3 ]
// [ 2, 2, 3, 3 ]
// [ 2, 3, 3, 3 ]
// [ 3, 3, 3, 3 ]Combinations without repetition
const your_combinations = new YourCombinations([1, 2, 3]);
your_your_combinations.your_combinations(2, false);
// [ 1, 2 ]
// [ 1, 3 ]
// [ 2, 3 ]© Copyright, 2022 Max Base