Whale Talk - JavaScript (from Codecademy)

whale-talk.js

/*
* translates "turpentine and turtles" to "whale talk" languag, outputs "UUEEIEEAUUEE"
*/

const input = 'turpentine and turtles';
const vowels = ['a', 'e', 'i', 'o', 'u'];
const resultArray = [];

for(let i = 0; i < input.length; i++) {

  for(let j = 0; j < vowels.length; j++) {
    if (input[i] === vowels[j]) {
      resultArray.push(input[i]);
    }
  }

  if (input[i] === 'e') {
    resultArray.push(input[i]);
  }
  
  if (input[i] === 'u') {
    resultArray.push(input[i]);
  }
}

console.log(resultArray.join('').toUpperCase());