Javascriptにおけるクラスの定義

/**
 *     ：
 *     ：      eat
 */
function CreatePeople(name){
  var  people=new Object();
  people.name=name;
  people.eat=function(){
  	alert(this.name+' is eating  !!')
  };
  return people;
}
/**
 *      ：
 *     ：      eat
 *   new      ， :var p=new People('saber')
 *          ，       (   ,          return),   this       ,
 * 
 */
function People(name){
  this.name=name;
  this.eat=function(){
  	alert(this.name+' is eating  !!')
  };
}
/**
 *        /    （  ）
 */
var People1=function (name){
	this.name=name;	
}
People1.prototype={
	eat:function(){
		alert(this.name+' is eating !')
	}
}
/*         :initialize
 *    new       ，  initialize  ，
 */
var People11=function (){
	this.initialize.apply(this, arguments);
}
People11.prototype={
	initialize:function(name){
		this.name=name;
		alert(' Initializing Ok !!');
	},
	eat:function(){
		alert(this.name+' is eating !')
	}
}
/*      ，                 ，    ？
 *  java       Class     ，  JS ，       ,
 *             MyClass
 */

var MyClass=function(){
	return function(){//  
	    this.initialize.apply(this, arguments);
	}
}
/*
 *    ：
 */
var ClassOne=MyClass();
ClassOne.prototype={
	initialize:function(name){
        this.name=name;	
        alert(this.name+' initializing Ok !')
	},
	methodOne:function(){
		alert("My name is:" + this.name);
	}
}

var ClassTwo=MyClass();
ClassTwo.prototype={
	initialize:function(name){
        this.name=name;		
	},
	methodTwo:function(){
		alert("My name is:" + this.name);
	}
}

/**
 *   prototype.js，            :
 * var Class = {
 * create: function() {
 *  return function() {
 *    this.initialize.apply(this, arguments);
 *  }
 * }
 *}
 */
var People2=Class.create();
People2.prototype={
	//        :initialize
	initialize:function(name,sex){
		this.name=name;
		this.sex=sex;
	},
	eat:function(){
		alert(this.name+' is eating ');
	},
	showSex:function (){
		alert(this.name+'\'s sex is :'+this.sex);
	}
}