PubSub [observer pattern with jQuery]

pubsub.js

/*
 | Include this snippet before your scripts in order to get access to the pubSub pattern
 | USAGE:
 |        $.publish('myApp:customEvent');
 |        $.suscribe('myApp:customEvent', yourCallbackFunction);
**/

(function( $ ) {

	var o = $( {} );

	$.each({
		trigger: 'publish',
		on: 'suscribe',
		off: 'unsuscribe'
	},function(key, val){
		jQuery[val] = function() {
			o[key].apply(o, arguments );
		}
	});

})( jQuery );