Game hangman

  let words = [
    "programm",
    "monkeys",
    "lucky",
    "javascript"
  ];
  let word = words[Math.floor(Math.random() * words.length)];

  let answerArray = [];
  for(let i = 0; i < word.length; i++) {
    answerArray[i] = "_";
  }
  let remainingLetters = word.length;
  while (remainingLetters > 0) {
    alert(answerArray.join(" "));
    let guess = prompt("Guess the letter or click Cancel to exit the game.");
    if (guess === null) {
      break;
    } else if (guess.length !== 1) {
      alert("Please enter only one letter.")
    } else {
      for (let j = 0; j < word.length; j++) {
        if (word[j] === guess) {
          answerArray[j] = guess;
          remainingLetters--;
        }
      }
    }
  }
  alert(answerArray.join(" "));
  alert("Greate! It was a word " + word);