var Pubsub = (function (window) {

        window.handlers = {};

        var o = {

            pub: function () {

                var args = Array.prototype.slice.call(arguments,0),

                        event = args.shift();

                var cbs = handlers[event];

                if (cbs) {

                    for (var i = 0; i < cbs.length; i++) {

                        cbs[i].apply(cbs[i].args);

                    }

                }

            },

            sub: function (event, callback) {

                if (!handlers[event]) {

                    handlers[event] = [];

                }

                handlers[event].push(callback);

            }

        };

        o.publish = o.pub;

        o.subscribe = o.sub;

        return o;

    })(window);

    Pubsub.sub("click", function () {

        console.log('1 click');

    })

    Pubsub.sub("click", function () {

        console.log('2 click');

    })