Count consonants

/*
Description:
Write a function consonantCount, consonant_count or ConsonantCount that takes a string of English-language text and returns the number of consonants in the string.

Consonants are all letters used to write English excluding the vowels a, e, i, o, u.
*/

function consonantCount(str) {
  return str.split('').filter(v=>/[qzwsxdcrfvtgbyhnjmklp]/gi.test(v)).length
}