@extra-array/compare

Compares two arrays.
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> Similar: [compare], [isEqual].

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

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

``javascript
array.compare(x, y, [fc], [fm]);
// x: an array
// y: another array
// fc: compare function (a, b)
// fm: map function (v, i, x)
// → xy: 1
`

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

var x = [1, 2];
var y = [1, 2, 3];
array.compare(x, y);
// -1

var y = [1, 2];
array.compare(x, y);
// 0

var y = [1, -2];
array.compare(x, y);
// 1

array.compare(x, y, (a, b) => Math.abs(a) - Math.abs(b));
// 0

array.compare(x, y, null, v => Math.abs(v));
// 0
``

References

- String.prototype.localeCompare: MDN web docs
- string::compare: cplusplus
- String.Compare: .NET

[compare]: https://github.com/nodef/extra-array/wiki/compare
[isEqual]: https://github.com/nodef/extra-array/wiki/isEqual