[Douglas crockford js 类 继承模拟
Html:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>继承测试</title>
</head>
<div id="divtest" ></div>
<body>
</body>
<script language="javascript" type="text/javascript" src="../js/inherit.js"></script>
</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();