Just not working

  1. Store correct answers
   - When quiz begins, no answers are correct
*/
let correct = 0;
// 2. Store the rank of a player
let rank = '';
// 3. Select the <main> HTML element
const main = document.querySelector('main');

/*
  4. Ask at least 5 questions
   - Store each answer in a variable
   - Keep track of the number of correct answers
*/
const questOne = prompt("Name a programming language that's also a gem.");
if (questOne.toUpperCase() === "RUBY") {
    correct += 1;
}
const questTwo = prompt("Name a programming language that's also a snake");
if (questTwo.toUpperCase() === "PYTHON") {
  correct += 1;
} 

const questThree = prompt('What programming language do you use to style web pages?');

if (questThree.toUpperCase === "CSS") {
  correct += 1;
} 
const questFour = prompt('What language do you use to build the structure of a web page?');

if (questFour.toUpperCase === "HTML") {
  correct += 1;
} 
const questFive = prompt('What language do you use to add interactivity to a web page?');

if (questFive.toUpperCase === "JAVASCRIPT") {
  correct += 1;
} 

/*
  5. Rank player based on number of correct answers
   - 5 correct = Gold
   - 3-4 correct = Silver
   - 1-2 correct = Bronze
   - 0 correct = No crown
*/

if (correct === 5) {
    rank = "Gold Crown";
} else if (correct >= 3 ) {
    rank = "Silver Crown";
} else if (correct >= 2){
  rank = "Bronze Crown";
} else {
  rank = "None :(";
}

// 6. Output results to the <main> element

main.innerHTML = `<h2>You got ${correct} out of 5 questions</h2>
<p>Crowns Earned: <strong>${rank}</strong>`;