Proves that eventemitter.emit works as expected.

paramtest.js

var sys = require('sys')
var EventEmitter = require('events').EventEmitter
var func = function(arg1, arg2) {
	if(arg1 === undefined && arg2 === undefined) {
		sys.puts("I was called without parameters");
	}
};

var emitter = new EventEmitter();
emitter.on('test',func)

func();
emitter.emit('test');