Update array-concatenation.md

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Angelos Chalaris
2017-12-16 13:33:43 +02:00
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### Array concatenation
Use Array spread operators to concatenate an array with any additional arrays and/or values, specified in `args`.
Use Array spread operators (`...`) to concatenate an array with any additional arrays and/or values, specified in `args`.
```js
const ArrayConcat = (arr, ...args) => [...arr,...args];