var house = {
  name: 'payen',
  people: {
    father: true,
    mother: true
  }
}
function easyClone(obj){
  var newObj = {};
  for(var prop in obj){
    if(obj.hasOwnProperty(prop)){
      newObj[prop] = obj[prop];
    }
  }
  return newObj;
}
var newHouse = easyClone(house);

var house = {
  name: 'payen',
  people: {
    father: true,
    mother: true,
    child: {
      age: 1
    }
  },
  money: [1000,2000,3000]
}
function deepClone(original, target){
  var target = target || {};// 如果target为undefined或没传参，设置空对象
  for(var prop in original){// 遍历原对象
    if(original.hasOwnProperty(prop)){// 只拷贝对象内部，不考虑原型链
      if(typeof original[prop] === 'object'){// 引用值
        if(Object.prototype.toString.call(original[prop]) === '[object Array]'){
          target[prop] = [];// 处理数组引用值
        }else{
          target[prop] = {};// 处理对象引用值
        }// 可以用三目运算符
        deepClone(original[prop],target[prop]);// 递归克隆
      }else{// 基本值
        target[prop] = original[prop];
      }  
    }
  }
  return target;
}
var newHouse = deepClone(house);

var house = {
  name: 'payen',
  people: {
    father: true,
    mother: true,
    child: {
      age: 1
    }
  },
  money: [1000,2000,3000]
}
Object.prototype.cloneTo = function(obj){
  var obj = obj || {};
  for(var prop in this){
    if(this.hasOwnProperty(prop)){
      if(typeof this[prop] === 'object'){
        if(Object.prototype.toString.call(this[prop]) === '[object Array]'){
          obj[prop] = [];
        }else{
          obj[prop] = {};
        }
        this[prop].cloneTo(obj[prop]);
      }else{
        obj[prop] = this[prop];
      }
    }
  }
  return obj;
}
var newHouse = {};
house.cloneTo(newHouse);