Beginning Programming - Example Guessing Game

var theNumber = random(1,10);
var guess = 0;
var thePrompt = "";

while (guess != theNumber)
{
   thePrompt = (guess == 0) ? "What's your guess" : "That's not right, please try again.";

   guess = prompt(thePrompt);
   if (guess == theNumber) {
     alert("You win! Great job!");
     break;
   }
   else if (guess == "quit")
   {
      break;
   }
}