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var Human = function(){};
var nakanishi = new Human();
var Human2 = function (name){
	this.name = name;
console.log("コンストラクタの関数として実行したけっか "+name);

var Human3 = function (name){
	this.name = name;
	this.callOwnName = function(){
		console.log("Human3: my name is " + this.name );	
var takahashi = new Human3("takahashi");

takahashi.barkName= function(){console.log(("bark: " + this.name + "!!!!"));};
var kanzaki = new Human3("kanzaki");
//↓これはエラーになる。なぜならnew Human3()で参照している先にはbarkNameはないから。

var Human4 = function (name){
	this.name = name;

Human4.prototype.callOwnName = function(){
		console.log("Human4: my name is " + this.name );	

var yoshikawa = new Human4("yoshikawa");

Human4.prototype.bark = function(){
	console.log("Human4: bark " + this.name +" !!!!" );	



var Human4 = function (name){
	this.name = name;

var Man = function(name,job){
	this.job = job;
Man.prototype = new Human4();
Man.prototype.myJob = function(){console.log("my job is "+ this.job);};

var nakanishiMan = new Man("nakanishiMan","Web Developper");

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