[Douglas crockford js 類繼承模擬

時間 2019-11-12

標籤 douglas crockford 繼承模擬欄目 JavaScript 简体版

原文原文鏈接

Html:
javascript

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">html

<html xmlns="http://www.w3.org/1999/xhtml">java

<head>app

<title>繼承測試</title>ui

</head>this

<div id="divtest" ></div>spa

<body>prototype

</body>xml

</html>

---------------JS

// JavaScript Document

Function.prototype.method= function(name,func)

{

this.prototype[name]=func;

return this;

}

Function.method('inherit',function(parent){

var depth =0;

var proto = this.prototype = new parent();

this.method('uber',function uber(name){

var func;

var ret;

var v = parent.prototype;

if(depth)

{

for(var i=d;i>0;i+=1)

{

v = v.constructor.prototype;

}

func = v[name];

}else

{

func = proto[name];

if(func == this[name])

{

func = v[name];

}

depth +=1;

ret = func.apply(this,Array.prototype.slice.apply(arguments,[1]));

depth -= 1;

return ret;

});

return this;

});

Function.method('swiss',function(parent){

for(var i=0;i<arguments.length;i+=1)

{

var name = arguments[i];

this.prototype[name] = parent.prototype[name];

}

return this;

}

);

///////////////////////////test ....

function Person(name)

{

this.name = name;

}

Person.method('getName',function (){

return this.name;

});

function User(name,password)

{

this.name = name;

this.password = password;

}

User.inherit(Person);

User.method("getPassword",function () {

return this.password;

});

User.method('getName',function(){

return "My Name is:" + this.name;

});

var person1 = new Person("zhuxuegang1");

var user1 = new User("zhuxueganguser.","bqhtest..");

var divtest = document.getElementById("divtest");

divtest.innerHTML = user1.getPassword();

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[Douglas crockford js 類 繼承模擬

[Douglas crockford js 類繼承模擬