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javascript/snippets/unique-elements.md

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+---
+title: Unique values in array
+type: snippet
+tags: [array]
+cover: architectural
+dateModified: 2020-10-22T20:24:44+03:00
+---
+
+Finds all unique values in an array.
+
+- Create a `Set` from the given array to discard duplicated values.
+- Use the spread operator (`...`) to convert it back to an array.
+
+```js
+const uniqueElements = arr => [...new Set(arr)];
+```
+
+```js
+uniqueElements([1, 2, 2, 3, 4, 4, 5]); // [1, 2, 3, 4, 5]
+```