Complete the vowelsAndConsonants function in the editor below. It has one parameter, a string, , consisting of lowercase English alphabetic letters (i.e., a through z). The function must do the ...

Create a function isAVowel that accepts one argument, a letter. If the letter is a vowel (a, e, i, o, or u), the function should return true. If not, it should return false. For the purposes of this ...