A JavaScript function to receive a sentence and return a copy of the sentence without vowels.

RemoveVowels.js

function removeVowels(sentence) {
  var vowels = ['a', 'e', 'i', 'o', 'u'];
  var newSentence = [];
  for (var i = 0; i < sentence.length; i++) {
    if (vowels.includes(sentence[i])) {
      newSentence.push('-');
    } else {
      newSentence.push(sentence[i]);
    }
  }

  return newSentence.join("");
}