michael-challenge-2-all.js

let number = Math.ceil(Math.random() * 10)
alert("The secret number is " + number) // just for testing

let gameOn = true
while (gameOn) {
    let guess = prompt("Guess a number between 0 and 10")
    if (guess === null || guess === "null" || guess === ""){
        alert("Game cancelled. Refresh to start again.")
        gameOn = false
    } else if (parseInt(guess) === number) {
        alert("Congratulations, you guessed right.")
        gameOn = false
    } else if (parseInt(guess) != number) {
        alert("Not quite, try again.")
    }
} 
    
console.log("Thanks for playing!")

natalie-challenge-2-all.js

const promptMessage = "What number am I thinking of?"
const answer = Math.floor(Math.random() * 10) + 1; // generate a random number from 1 to 10

// You could also use a do-while here and then you wouldn't need line 5
let guess = prompt(promptMessage);
while(parseInt(guess) !== answer) {

  // Stop the loop if they cancel out
  if(guess === null) {
    alert("Goodbye!")
    break; 
  }

  guess = prompt(promptMessage);
}

// Only show the win message if they did actually win (meaning they didn't cancel out)
if(parseInt(guess) === answer) {
 alert("You guessed it!");
}