How to get number of vowels and consonants in JavaScript?

j6epsxe.js

function getLetters(words) {
  var words      = (typeof words == 'string') ? words : '',
      count      = re => (words.match(re) || []).length,
      vowels     = count(/[aeiou]/ig),
      consonants = count(/[bcdfghjklmnpqrstvxzwy]/ig);

  return {vowels, consonants};
}

console.log(getLetters("Marek Sautter")); // --> { vowels: 5, consonants: 7 }

// https://codereview.stackexchange.com/questions/128121/count-the-number-of-vowels-and-consonants