Codecademy export

main.js

let input = 'turpentine and turtles';
const vowels = ['a', 'e', 'i', 'o', 'u'];
let resultArray = [];
for (let i = 0; i < input.length; i++) {
  for (let j = 0; j < vowels.length; j++){
    if (input[i] === vowels[j]) {
      if (input[i] === 'e') {
        resultArray.push('ee')
          } else if (input[i] === 'u') {
        resultArray.push('uu')
          } else {
          resultArray.push(input[i]);
          }
        }
  }
}
  console.log(resultArray.join("").toUppercase();