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18 lines
348 B
Markdown
18 lines
348 B
Markdown
---
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date: 2020-10-12
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id: ee9a4791-e3e8-4437-98fa-6c2d34be1a8e
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title: JavaScript Sets
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---
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# Introduction
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A
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[Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set)
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is a collection of unique elements.
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# Example
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``` javascript
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const arr = [5, 1, 5, 7, 7, 5];
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const unique = [...new Set(arr)]; // [ 5, 1, 7 ]
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```
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