使用jQuery的自定义事件机制实现消息中心

jQuery.Dispatcher.js

 (function($){

      var $d = $({});

      var Dispatcher = {

          on:function(event , callback , ctx){
              var proxy = $.proxy(callback , ctx);
              $d.on(event,proxy);
          },

          once:function(event , callback , ctx){
              var proxy = $.proxy(callback , ctx);
              $d.one(event,proxy);
          },

          off:function(event , callback ){
              $d.off(event , callback);
          },

          trigger:function(event){
              $d.trigger(event , [].slice.call(arguments , 1) );
          }
      }

      window.Dispatcher = Dispatcher ;

  })(jQuery)

• Pub Sub Pattern using jQuery .on() and .off()
• jQuery Custom Events
• Publish/Subscribe with jQuery Custom Events
• jQuery Tiny Pub/Sub