freeCodeCamp/guide/portuguese/certifications/javascript-algorithms-and-d.../basic-javascript/manipulate-arrays-with-unshift/index.md

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---
title: Manipulate Arrays With unshift()
localeTitle: Manipular matrizes com unshift ()
---
## Manipular matrizes com unshift ()
Enquanto `push()` adicionava elementos à parte de trás da matriz, `unshift()` adiciona à frente. Tudo o que tem a fazer é:
```javascript
var arr = [2, 3, 4, 5];
arr.unshift(1); // Now, the array has 1 in the front
```