BackboneJS : Making an event dispatcher by extending Event

util.js

define('social/util',
	['dependentLib'],
	function(){

	var myUtilLib = _.extend({
		init: function(){
			this.trigger("myUtilLib:init", "init message");
		},
		destroy: function(){
			this.trigger("myUtilLib:destroy", "destroy message");
		}
	},Backbone.Events);

	return myUtilLib;
});