Is it possible to code a game with JavaScript??

Check out ThisOne! 👍 https://code.sololearn.com/WvIsS7qN8npX/?ref=app

With js you can even make the server of the game, desktop executables and even apps.

Of course, but remember it's a client-sided language.

Oh Ok thanks

Yes it absolutly is. You can search for html5 game develoent. And you will find a lot of usefull tutorials and books.

Yes. You can write 2d game in this link : https://developer.mozilla.org/en/docs/Games/Workflows/2D_Breakout_game_pure_JavaScript