A simple blueprint for a a JavaScript Publisher Subscriber pattern.

Sample code usage:

;(function(){
	"use strict";
	
	var observer = new PubSubHelper();
	
	var subscriberFn = function(){
		
	};
	
	// subscriber method
	observer.subscribe(subscriberFn);
	
	window.onload = function(){
		// notifier method
		observer.notify();
		
		// unsubscribe method
		observer.unsubscribe(subscriberFn);
	};
	
})();