// Take a small letter alphabet as a functuion peramitter and print whether it is VOWEL or CONSONANT. const solution = (letter)=> { return letter == 'a' || letter == 'e' || letter == 'u' || letter == 'o' || letter == "i" ? "VOWEL" : "CONSTANT" }; console.log(solution('a')); // VOWEL console.log(solution('u')); // VOWEL console.log(solution('k')); // CONSONANT