JSFiddle - React, Tailwind, and code Playground

by colorkid

JavaScript

const findVowels = str => {
  let count = 0
  const vowels = ['a', 'e', 'i', 'o', 'u']
  
  str = str.toLowerCase();
  const arr = str.split('');
  arr.forEach((item) => {
  	if(vowels.includes(item)) {
      count++
    }
  });
  /*for(let char of str.toLowerCase()) {
    if(vowels.includes(char)) {
      count++
    }
  }*/
  return count
}

console.log(findVowels('hello')); // --> 2
console.log(findVowels('why')); // --> 0