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# array-union [![Build Status](https://travis-ci.org/sindresorhus/array-union.svg?branch=master)](https://travis-ci.org/sindresorhus/array-union)

> Create an array of unique values, in order, from the input arrays


## Install

```
$ npm install array-union
```


## Usage

```js
const arrayUnion = require('array-union');

arrayUnion([1, 1, 2, 3], [2, 3]);
//=> [1, 2, 3]

arrayUnion(['foo', 'foo', 'bar']);
//=> ['foo', 'bar']

arrayUnion(['🐱', 'πŸ¦„', '🐻'], ['πŸ¦„', '🌈']);
//=> ['🐱', 'πŸ¦„', '🐻', '🌈']

arrayUnion(['🐱', 'πŸ¦„'], ['🐻', 'πŸ¦„'], ['🐢', '🌈', '🌈']);
//=> ['🐱', 'πŸ¦„', '🐻', '🐢', '🌈']
```


## License

MIT Β© [Sindre Sorhus](https://sindresorhus.com)