gistfile1.txt

var Events = function(){};

Events.prototype.on = function(eventName, callback){
	if(!this.events) this.events = {};

	try{
		if(this.events[eventName] && this.events[eventName].length  > 0){
			this.events[eventName].push(callback);
		} else {
			this.events[eventName] = [callback];
		}
	} catch(ex){
		console.error(ex);
	}
}

Events.prototype.off = function(eventName){
	if(!this.events) this.events = {};

	if(eventName){
		if(this.events[eventName]) delete this.events[eventName];
	} else {
		delete this.events;
		this.events = {};
	}
}

Events.prototype.trigger = function(){
	if(!this.events) this.events = {};

	var _eventName = arguments[0] || null,
		_vars = [];

	if(_eventName == null){
		console.error('No event name provided');
		return;
	}

	if(arguments.length > 1){
		for(var i=0; i<= arguments.length-1; i++){
			_vars.push(arguments[i+1]);
		}
	}

	if(this.events[_eventName] && this.events[_eventName].length > 0){;
		for(var l=0;l<=this.events[_eventName].length -1; l++){
			this.events[_eventName][l](_vars);
		}
	}
}


/**
 * ==============================
 */

var worker1 = function(){
	console.log('Worker 1');

	var self = this;
	var _result = [1,2, 3];

	this.run = function(){
		console.log('Run');

		setTimeout(function(){
			console.log('Running');
			//console.log(self, 'self');
			self.trigger('ready', _result);
		}, 1000)
	}

	return this;
}

worker1.prototype = Events.prototype;


var worker2 = function(){
	console.log('Worker 2');

	var self = this;
	var _result = [1,2, 3];

	this.run = function(){
		console.log('Run');

		setTimeout(function(){
			console.log('Running');
			//console.log(self, 'self');
			self.trigger('ready', _result);
		}, 5000)

		return this;
	}

	return this;
}

worker2.prototype = Events.prototype;



var exe = function(){
	var wrk1 = new worker1();
	var wrk2 = new worker2();

	wrk1.on('ready', function(result){
		console.log('Worker 1 ready', result);
	})
	wrk1.run();

	wrk2.on('ready', function(result){
		console.log('Worker 2 ready', result);
	})
	wrk2.run();
}

$(window).on('load', function(){
	var v = function(){
		this.a = 1;
	};

	//z.prototype = Backbone.Events;
	_.extend(v.prototype, Backbone.Events);
	var z = new v();
	z.a = 3;

	console.log(z.a, '===');

	z.on('a', function(){
		console.log('bla');
	})

	z.trigger('a');
	console.log(z);
})

exe();