Hi, i can't quite figure out what's missing with my program.

const main = document.querySelector('main');
const randomNumber = getRandomNumber(10);
let guess;

function getRandomNumber(upper) {
  return Math.floor( Math.random() * upper ) + 1;
}


do {

  // ask for a number and assign the answer to the variable 'guess'
  guess = prompt('Enter a number between 1 and 10.');

  // perform a string to number conversion with 'guess'  
  guess = parseInt(guess);

  // verify that 'guess' is a number and between 1-10
  // if any of these conditions are true, prompt the user to retry
  if ( isNaN(guess) || guess > 10 || guess < 0 ) {

    // ask for a number and assign the answer to the variable 'guess'
    guess = prompt('Only a number between 1 and 10 is acceptable. Please try again.');

    // perform a string to number conversion with 'guess  
    parseInt(guess);

  // else if 'guess' is equal to the random number, then end the loop and display a message 
  } else if ( guess === randomNumber ) {
    main.innerHTML = `<h1>Congratulations! You guessed the random number!<h2>`;
  }  
}


  while ( guess !== randomNumber )  {

  // ask for a number and assign the answer to the variable 'guess'
  guess = prompt('Enter a number between 1 and 10.');

  // perform a string to number conversion with 'guess'  
  guess = parseInt(guess);

}