@extra-array/index-of

Finds first index of a value.
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> Alternatives: [indexOf], [lastIndexOf].

> Similar: [search], [indexOf], [isValue], [includes].

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

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

``javascript
array.indexOf(x, v, [i]);
// x: an array
// v: search value
// i: start index (0)
`

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

var x = [1, 2, 3, 2, 5];
array.indexOf(x, 2);
// 1 ^

var x = [1, 2, 3, 2, 5];
array.indexOf(x, 2, 2);
// 3 ^
``

References

- List-Extra.elemIndex: elm
- Array.prototype.indexOf: MDN web docs
- _.indexOf: lodash
- Array.indexOf: sugarjs

[indexOf]: https://github.com/nodef/extra-array/wiki/indexOf
[lastIndexOf]: https://github.com/nodef/extra-array/wiki/lastIndexOf
[search]: https://github.com/nodef/extra-array/wiki/search
[isValue]: https://github.com/nodef/extra-array/wiki/isValue
[includes]: https://github.com/nodef/extra-array/wiki/includes