rendered.js

var log = console.log;
var ViewBase = Backbone.View.extend({     
   initialize: function(){     
     var oldRender = this.render;
     this.render = function(){
        oldRender.call(this);
        log('trigger event\'s rendered') 
     }       
   }, 
   render: function(){
      log('cool ')
   }
});   
var ViewInherit = ViewBase.extend({     
   initialize: function(){
     ViewBase.prototype.initialize.call(this);              
   },
   render: function(){
      log('rendering \n') 
   }
});       
       
$(function(){
       var app =  new ViewInherit()
       app.render()
})​