Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Loops, Arrays and Objects Simplify Repetitive Tasks with Loops `do ... while` Loops

johnny lawma
johnny lawma
3,298 Points

i can't find my mistake, the browser show these erro "Document.write is not a function".

here is the code:

var randomNumber = getRandomNumber(10);
var guess;
var guessCount = 0;
var correctGuess = false;

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


do {
   guess = prompt('I am thinking of a number between 1 and 10. What is it?');
  guessCount = 1;

  if (parseInt(guess) === randomNumber) {
    correctGuess = true;
  }

} while ( ! correctGuess )
  Document.write('<h1>You guessed the number!</h1>');
Document.write ('it took you' + guessCount + 'tries to guess the number' + radomNumber);

1 Answer

Steven Parker
Steven Parker
231,269 Points

JavaScript is case-sensitive, and you have "Document.write" (with capital "D") instead of "document.write".