<p id="instructions">Guess a number between 0-1000. I will tell you if the number I am thinking of is greater than or less than your guess.</p>
<div>Hints:
<div id="guessRecords"></div>
<form id="guessForm">Your guess:
<input type="number" min="0" max="1000" id="guess" />
<input type="submit" value="Guess!" />
</form>
</div>
JavaScript
var guessedCorrectly = false;
var randomNumber = Math.floor(Math.random() * 1000) + 1;
var yourGuess;
var allowedGuesses = 5;
var message = "Guess a number between 1 and 1000";
do {
yourGuess = parseInt(prompt(message));
allowedGuesses--;
if (isNaN(yourGuess) || yourGuess < 1 || yourGuess > 1000) // check for illegal entry
message = "Illegal entry, # of guesses left " + allowedGuesses;
else if (yourGuess > randomNumber)
message = "Your guess is too high, # of guesses left " + allowedGuesses;
else if (yourGuess < randomNumber)
message = "Your guess is too low, # of guesses left " + allowedGuesses;
else { // correctly guessed.
guessedCorrectly = true;
alert("You guessed correctly!");
break;
}
} while (allowedGuesses > 0);
if (!guessedCorrectly) {
alert("sorry, you did not guess my number. My number was " + randomNumber);
}
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