Is it possible to make a javascript/html mutiplayer game?

Is it possible to make a javascript/html mutiplayer game (if I have a server,开发者_Python百科 etc)?

Yes.

Rawkets - MMO using HTML5 canvas and JavaScript WebSockets

You can look at its source code: https://github.com/robhawkes/rawkets

Sure it is. However such an environment has lots of limitations and is not the very best choice in many situations. Actually, everything depends on type of the game. Chess or some card game? Sure! But real-time FPS? Maybe some day...