@extra-array/is-empty

Checks is array is empty.
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> Similar: [index], [indexRange], [size], [isEmpty].

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

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

``javascript
array.isEmpty(x);
// x: an array
`

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

var x = [1, 2, 3];
array.isEmpty(x);
// false

var x = [];
array.isEmpty(x);
// true
``

References

- Data.List.null: Haskell
- List.isEmpty: elm
- Array.length: MDN web docs
- Array.isEmpty: sugarjs

[index]: https://github.com/nodef/extra-array/wiki/index
[indexRange]: https://github.com/nodef/extra-array/wiki/indexRange
[size]: https://github.com/nodef/extra-array/wiki/size
[isEmpty]: https://github.com/nodef/extra-array/wiki/isEmpty