const vowelCount = str => {
let vowels = /[aeiou]/gi;
let result = str.match(vowels);
let count = result.length;
console.log(count);
};function countVowels(str) {
return str.match(/[aeiou]/g).length;
}// BEST and FASTER implementation using regex
const countVowels = (str) => (str.match(/[aeiou]/gi) || []).lengthfunction countVowel(str) {
// find the count of vowels
const count = str.match(/[e]/gi).length;
return count;
}
// take input
const y = prompt('Enter a name: ');
const result = countVowel(y);
console.log(result);