//使用原型+構(gòu)造函數(shù)方式來定義對(duì)象
//構(gòu)造函數(shù)定義對(duì)象的非函數(shù)屬性<strong>
function Person()
{
    this.username = new Array();
    this.password = "123";
}
//通過原型方式定義對(duì)象的函數(shù)
Person.prototype.getInfo = function()
{
    alert(this.username+","+this.password);
};
var p = new Person();
var p2 = new Person();
p.username.push("zhangsan");
p2.username.push("lisi");
p.getInfo();
p2.getInfo();

/**
 * @author jasson
 * @include common.js
 */
//對(duì)象存在就等于對(duì)象，對(duì)象不存在就創(chuàng)建{}
var JassonChart = JassonChart || {};
(function(){
  //構(gòu)造函數(shù)定義對(duì)象的非函數(shù)屬性
  function Person()
  {
    this.username = new Array();
    this.password = "123";
  }
  //通過原型方式定義對(duì)象的函數(shù)
  Person.prototype.getInfo = function()
  {
      alert(this.username+","+this.password);
  };
  //將該類放到JassonChart中，類似java中的包，或者C++中的
  JassonChart.Person= Person;
}());
//調(diào)用該類庫中的Person類
var p = new JassonChart.Person();

/**
* @author jasson
*/
var JassonChart = JassonChart || {};
JassonChart .util = {
constants : {
WIDTH : 'width',
HEIGHT : 'height',
SVG : 'SVG',
CANVAS : 'CANVAS',
G : 'G', //svg element
STRING : 'string'
},
distance : function(a, b) {
var dx = a.x - b.x;
var dy = a.y - b.y;
return Math.sqrt(dx * dx + dy * dy);
}
};

//使用混合的方式實(shí)現(xiàn)對(duì)象的繼承
function Parent(hello)
{
  this.hello = hello;//定義父類的屬性
}
Parent.prototype.sayHello = function()//定義父類的方法
{
  alert(this.hello);
}
function Child(hello,world)
{
  Parent.call(this,hello);//繼承父類的屬性
  //or Parent.apply(this,arguments);//繼承父類的屬性
  this.world = world;
}
Child.prototype = new Parent();//繼承父類的方法
Child.prototype.sayWorld = function()
{
  alert(this.world);
}
var child = new Child("hello","world");
child.sayHello();
child.sayWorld();

function deepCopy(p, c) {
  var c = c || {};
  for (var i in p) {
  if (typeof p[i] === 'object') {
    c[i] = (p[i].constructor === Array) ? [] : {};
deepCopy(p[i], c[i]);
} else {
c[i] = p[i];
}
}
return c;
}

var Doctor = deepCopy(Chinese);

Chinese.birthPlaces = ['北京','上海','香港'];
Doctor.birthPlaces.push('廈門');

alert(Doctor.birthPlaces); //北京, 上海, 香港, 廈門
alert(Chinese.birthPlaces); //北京, 上海, 香港