## Flat

### Instructions

Create the `flat` functions that works like the `.flat` array method

### Notions

- [devdocs.io/javascript/global_objects/array/flat](https://devdocs.io/javascript/global_objects/array/flat)

### Code provided

> all code provided will be added to your solution and doesn't need to be submited.

```js
Array.prototype.flat = undefined
```