How to run my code on brackets

// I would like to run this code on brackets

let letters = [
  {letter: "a", valor: "vowel"},
  {letter: "b", valor: "consonant"},
  {letter: "c", valor: "consonant"},
  {letter: "d", valor: "consonant"},
  {letter: "e", valor: "vowel"},
  {letter: "f", valor: "consonant"},
  {letter: "g", valor: "consonant"},
  {letter: "h", valor: "consonant"},
  {letter: "i", valor: "vowel"},
  {letter: "j", valor: "consonant"},
  {letter: "k", valor: "consonant"},
  {letter: "l", valor: "consonant"},
  {letter: "m", valor: "consonant"},
  {letter: "n", valor: "consonant"},
  {letter: "o", valor: "vowel"},
  {letter: "p", valor: "consonant"},
  {letter: "q", valor: "consonant"},
  {letter: "r", valor: "consonant"},
  {letter: "s", valor: "consonant"},
  {letter: "t", valor: "consonant"},
  {letter: "u", valor: "vowel"},
  {letter: "v", valor: "consonant"},
  {letter: "w", valor: "consonant"},
  {letter: "x", valor: "consonant"},
  {letter: "y", valor: "vowel"},
  {letter: "z", valor: "consonant"}
]

let lettersOnly = letters.map(letterOnly)

function letterOnly(x){
  return(x.letter)
}
console.log(lettersOnly)

let vowels = letters.filter(vowelsOnly)

function vowelsOnly(x){
  return x.valor == "vowel"
}

console.log(vowels)

let vowelsLetterOnly = letters.filter(vowelsOnly).map(letterOnly)

console.log(vowelsLetterOnly)

//But i don’t know how to run it. Is there a button or a command to run it?
// Thanks for your replies :wink:

You could embed the code in a simple web page, then open that page in a browser.

index.html

<!DOCTYPE html>
<html>
<script src="code-filename.js"></script>
</html>

I don’t use Brackets, but I think it has a preview button to open the page on a browser.