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30-seconds-of-code/snippets/castArray.md
Chalarangelo b2680396cc Fix typo
2022-09-04 12:28:47 +03:00

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---
title: Cast to array
tags: type,array
expertise: beginner
cover: blog_images/man-red-sunset.jpg
firstSeen: 2018-01-23T20:54:12+02:00
lastUpdated: 2020-09-15T16:28:04+03:00
---
Casts the provided value as an array if it's not one.
- Use `Array.isArray()` to determine if `val` is an array and return it as-is or encapsulated in an array accordingly.
```js
const castArray = val => (Array.isArray(val) ? val : [val]);
```
```js
castArray('foo'); // ['foo']
castArray([1]); // [1]
```