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30-seconds-of-code/snippets/initial.md
Isabelle Viktoria Maciohsek 52487bd328 Update formatting
2022-01-30 14:13:34 +02:00

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---
title: initial
tags: array,beginner
firstSeen: 2017-12-17T16:41:31+02:00
lastUpdated: 2020-11-03T21:46:13+02:00
---
Returns all the elements of an array except the last one.
- Use `Array.prototype.slice()` to return all but the last element of the array.
```js
const initial = arr => arr.slice(0, -1);
```
```js
initial([1, 2, 3]); // [1, 2]
```