@extra-set/difference/README.md

Gives values of set not present in others.

Gives values of set not present in others.
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> Alternatives: [difference], [difference$].<br>
> Similar: [union], [intersection], [difference], [symmetricDifference], [isDisjoint].

> This is part of package [extra-set].

[extra-set]: https://www.npmjs.com/package/extra-set

<br>

```javascript
set.difference(x, y);
// x: a set
// y: another set
```

```javascript
const set = require("extra-set");

var x = new Set([1, 2, 3, 4, 5]);
var y = new Set([2, 4]);
set.difference(x, y);
// Set(3) { 1, 3, 5 }

var y = new Set([2, -4]);
set.difference(x, y);
// Set(4) { 1, 3, 4, 5 }
```

<br>
<br>


## References

- [Data.List.\\: Haskell](https://hackage.haskell.org/package/base-4.12.0.0/docs/Data-List.html#v:-92--92-)
- [Data.Set.difference: Haskell](http://hackage.haskell.org/package/containers-0.6.2.1/docs/Data-Set.html#v:difference)
- [Set.difference: Python](https://www.programiz.com/python-programming/methods/set/difference)
- [_.difference: lodash](https://lodash.com/docs/4.17.15#difference)
- [_.differenceBy: lodash](https://lodash.com/docs/4.17.15#differenceBy)
- [_.differenceWith: lodash](https://lodash.com/docs/4.17.15#differenceWith)
- [Array.remove: sugarjs](https://sugarjs.com/docs/#/Array/remove)

[difference]: https://github.com/nodef/extra-set/wiki/difference
[difference$]: https://github.com/nodef/extra-set/wiki/difference$
[union]: https://github.com/nodef/extra-set/wiki/union
[intersection]: https://github.com/nodef/extra-set/wiki/intersection
[symmetricDifference]: https://github.com/nodef/extra-set/wiki/symmetricDifference
[isDisjoint]: https://github.com/nodef/extra-set/wiki/isDisjoint