JavaScript doesn't have what you would call an "event loop", it uses callbacks to react to events. As for cyclic stuff (rendering, physics, etc), you just use setInterval().

As far as communication with the Perl backend, i make extensive use of Websockets. It really depends on your webserver setup on how you do that, but with my own webserver i use a (slightly adapted) version of Protocol::WebSocket::Frame

PerlMonks XP is useless? Not anymore: XPD - Do more with your PerlMonks XP

In reply to Re^3: Graphics: OpenGL in Perl/Tk ... with GLUT by cavac
in thread Graphics: OpenGL in Perl/Tk ... with GLUT by haj

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