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 Object-Oriented JavaScript: Challenge Rendering the Game Connecting with the DOM Solution

Game is not defined at app.js

Hi there,

I am having a problem in app.js, it shows an error when I am loading my game. Error: Uncaught ReferenceError: Game is not defined at app.js:1:14


const game = new Game();

document.getElementById('begin-game').addEventListener('click', function() {
  this.style.display = 'none';
  document.getElementById('play-area').style.opacity = '1';

document.addEventListener('keydown', function(event){

1 Answer

Steven Parker
Steven Parker
229,606 Points

Clearly, Game is not defined in this snippet. Is there more code not shown here?

Take a look at this video about sharing a snapshot of your workspace.