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Update uniqueElements.md

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Angelos Chalaris
2020-04-24 10:47:05 +03:00
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parent ed80e8fc87
commit bf5304e551
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@ -3,9 +3,9 @@ title: uniqueElements
tags: array,beginner
---
Returns all unique values of an array.
Returns all unique values in an array.
Use ES6 `Set` and the `...rest` operator to discard all duplicated values.
Create a `Set` from the given array to discard duplicated values, then use the spread operator (`...`) to convert it back to an array.
```js
const uniqueElements = arr => [...new Set(arr)];
@ -13,4 +13,4 @@ const uniqueElements = arr => [...new Set(arr)];
```js
uniqueElements([1, 2, 2, 3, 4, 4, 5]); // [1, 2, 3, 4, 5]
```
```