30-seconds-of-code/snippets/initial.md

A collection of useful JavaScript snippets.

### initial

Returns all the elements of an array except the last one.

Use `arr.slice(0,-1)` 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]
```