---
title: Advanced usage
---

## Alphabet as a string

```js
alphabet.join('')[0];
//=> 'abcdefghijklmnopqrstuvwxyz'
```

## Uppercase

```js
alphabet.toUpperCase();
//=> ["Α", "Β", "Γ", "Δ", "Ε", "Ζ", "Η", "Θ", "Ι", "Κ", "Λ", "Μ", "Ν", "Ξ", "Ο", "Π", "Ρ", "Σ", "Τ", "Υ", "Φ", "Χ", "Ψ", "Ω"]
```