| 1 | Counts the number of values.
|
| 2 | [:package:](https://www.npmjs.com/package/@extra-array/length)
|
| 3 | [:smiley_cat:](https://github.com/orgs/nodef/packages?repo_name=extra-array)
|
| 4 | [:running:](https://npm.runkit.com/@extra-array/length)
|
| 5 | [:vhs:](https://asciinema.org/a/332092)
|
| 6 | [:moon:](https://www.npmjs.com/package/@extra-array/length.min)
|
| 7 | [:scroll:](https://unpkg.com/@extra-array/length/)
|
| 8 | [:newspaper:](https://nodef.github.io/extra-array/)
|
| 9 | [:blue_book:](https://github.com/nodef/extra-array/wiki/)
|
| 10 |
|
| 11 | > Similar: [index], [indexRange], [size], [isEmpty].
|
| 12 |
|
| 13 | > This is part of package [extra-array].
|
| 14 |
|
| 15 | [extra-array]: https://www.npmjs.com/package/extra-array
|
| 16 |
|
| 17 | <br>
|
| 18 |
|
| 19 | ```javascript
|
| 20 | array.length(x, [i], [I]);
|
| 21 | // x: an array
|
| 22 | // i: start index (-ve: from right) (0)
|
| 23 | // I: end index (-ve: from right) (X)
|
| 24 | ```
|
| 25 |
|
| 26 | ```javascript
|
| 27 | const array = require("extra-array");
|
| 28 |
|
| 29 | var x = [2, 4, 6, 8];
|
| 30 | array.length(x);
|
| 31 | // 4
|
| 32 |
|
| 33 | array.length(x, 1);
|
| 34 | // 3
|
| 35 |
|
| 36 | array.length(x, 1, 3);
|
| 37 | // 2
|
| 38 | ```
|
| 39 |
|
| 40 | <br>
|
| 41 | <br>
|
| 42 |
|
| 43 |
|
| 44 | ## References
|
| 45 |
|
| 46 | - [Array.prototype.slice: MDN web docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice)
|
| 47 | - [Array.length: MDN web docs](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length)
|
| 48 |
|
| 49 | [index]: https://github.com/nodef/extra-array/wiki/index
|
| 50 | [indexRange]: https://github.com/nodef/extra-array/wiki/indexRange
|
| 51 | [size]: https://github.com/nodef/extra-array/wiki/size
|
| 52 | [isEmpty]: https://github.com/nodef/extra-array/wiki/isEmpty
|