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30-seconds-of-code/snippets/js/s/last-n.md
2023-05-07 16:07:29 +03:00

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---
title: Last n elements
type: snippet
language: javascript
tags: [array]
author: chalarangelo
cover: interior-5
dateModified: 2022-07-23T05:00:00-04:00
---
Gets the last `n` elements of an array.
- Use `Array.prototype.slice()` with a start value of `-n` to get the last `n` elements of `arr`.
```js
const lastN = (arr, n) => arr.slice(-n);
```
```js
lastN(['a', 'b', 'c', 'd'], 2); // ['c', 'd']
```