Answers for "reverse vowels of a string javascript"

count vowels in javascript

const vowels = ['a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'];

function countVowels(sentence) {
  let counts = 0;
  for(let i = 0; i < vowels.length; i++) {
    if(vowels.includes(sentence[i])) {
      counts++;
    }
  }
  return console.log(counts);
}

countVowels('Hello World');
countVowels('AaEeIiOoUu');
countVowels('aaaaa');

remove vowels from string javascript

var strings = ["bongo drums", "guitar", "flute", "double bass",
               "xylophone","piano"];
string = strings.map(x=>x.replace( /[aeiou]/g, '' ));
console.log(string);