Function howManyLetters

playground.js:233–243

(phrase)

// [2, 4, 6, 8, 10, 12]

const howManyLetters = (phrase) => {
  // counter
  let result = 0;

  for (const index in phrase) {
    console.log(Number(index) + 1)
    result = Number(index) + 1
  }

  return { result }
}

// const phrase = prompt('write your phrase')