Fork from http://paste.ubuntu.com/6261759/

proxy.js

//来自 http://wiki.ecmascript.org/doku.php?id=harmony:extended_object_api

Object.getPropertyDescriptor = function(subject, name) {
  var pd = Object.getOwnPropertyDescriptor(subject, name);
  var proto = Object.getPrototypeOf(subject);
  while (pd === undefined && proto !== null) {
    pd = Object.getOwnPropertyDescriptor(proto, name);
    proto = Object.getPrototypeOf(proto);
  }
  return pd;
}
 
Object.getPropertyNames = function(subject, name) {
  var props = Object.getOwnPropertyNames(subject);
  var proto = Object.getPrototypeOf(subject);
  while (proto !== null) {
    props = props.concat(Object.getOwnPropertyNames(proto));
    proto = Object.getPrototypeOf(proto);
  }
  // FIXME: remove duplicate property names from props
  return props;
}

//原始对象

var arr=[];

//chrome下旧式Proxy调用，需开启flags（chrome:flags）
//firefox下请使用新式API，具体用法自定MDN

var pro=Proxy.create({
  getOwnPropertyDescriptor:function(name){
    var ret=Object.getOwnPropertyDescriptor(arr,name);
    console.log("getOwnPropertyDescriptor",name,"=>",ret);
    return ret;
  },
  getPropertyDescriptor:function(name){
    var ret=Object.getPropertyDescriptor(arr,name);
    console.log("getPropertyDescriptor",name,"=>",ret);
    return ret;
  },
  getOwnPropertyNames:function(){
    var ret=Object.getOwnPropertyNames(arr);
    console.log("getOwnPropertyNames","=>",ret);
    return ret;
  },
  getPropertyNames:function(){
    var ret=Object.getPropertyNames(arr);
    console.log("getPropertyNames","=>",ret);
    return ret;
  },
  defineProperty:function(name,des){
    console.log("defineProperty",name,des);
    return Object.defineProperty(arr,name,des);
  },
  delete:function(name){
    var ret=delete arr[name];
    console.log("delete",name,"=>",ret);
    return ret;
  }
});

//控制台时打如下代码时注意想办法屏蔽掉代码提示
//比如先输入一个分号;然后把光标移到最前面再打代码

console.log("========== push(5) ==========");
pro.push(5);
console.log("========== pop() ==========");
pro.pop();

void(0);