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Number guessing game - Code Fellows Foundations I assignment 1
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| <!DOCTYPE html> | |
| <html> | |
| <script> | |
| var guess, answer, message, done, guessedSoFarLow, guessedSoFarHigh, iteration, low, high; | |
| answer = Math.floor(Math.random() * 100); //math floor rounds down and truncates | |
| done = false; | |
| //keep track of high and low guesses in arrays so we can sort the numbers | |
| guessedSoFarLow = []; | |
| guessedSoFarHigh = []; | |
| iteration = 1; | |
| //set the beginning high and low boundries, these will be changed as guesses get closer | |
| high = 100; | |
| low = 1; | |
| while (done === false) { | |
| guess = prompt("Guess a number between 1 and 100, or EXIT. Number is between " + low + ' and ' + high + '.'); | |
| if (guess == answer) { | |
| if (iteration == 1) { | |
| message = "You win on the first guess! Ahhmazing!";41 | |
| } else { | |
| message = "You win! The number was " + guess +". It took you " + iteration + " tries."; | |
| } | |
| alert(message); | |
| //end the game | |
| done = true; | |
| break; | |
| } else if (guess == 'EXIT') { | |
| break; | |
| //control for illegal responses | |
| } else if (isNaN(guess) == true) { | |
| message = guess + " is not a number, you goof."; | |
| } else if (guess < 1 || guess > 100) { | |
| message = guess + " is out of range. Try again."; | |
| //record a low guess | |
| } else if (guess < answer) { | |
| message = "Your guess is LOW. Try again."; | |
| guessedSoFarLow.push(guess); | |
| guessedSoFarLow.sort(function(a,b){return a-b}); | |
| low = Math.max(0, guessedSoFarLow[guessedSoFarLow.length-1]); | |
| iteration += 1; | |
| //record a high guess | |
| } else if (guess > answer) { | |
| message = "Your guess is HIGH. Try again."; | |
| guessedSoFarHigh.push(guess); | |
| guessedSoFarHigh.sort(function(a,b){return a-b}); | |
| high = Math.min(100, guessedSoFarHigh[0]); | |
| iteration += 1; | |
| } else { | |
| message = "I... I don't understand. Try again."; | |
| } | |
| alert(message); | |
| } | |
| </script> | |
| </html> |
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