javaScrip的继承与接口
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<!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>
<title>inherit继承</title>
<script language="jscript" type="text/jscript">...
Function.prototype.inherit=function(Super)...{
for(var e in Super.prototype)...{
if(!this.prototype[e])
this.prototype[e]=Super.prototype[e];
}
Super.call(this);
}
var A=function()...{
this.f1=function()...{throw new Error("Can not run me!")};
this.f2=function()...{alert("f2");};
}
A.prototype.f3=function()...{alert("f3");};
var B=function()...{A.call(this);};
B.inherit(A);
var b=new B();
var a=new A();
try...{
alert(b.f1());
}catch( e)...{
alert(e.description);
}
b.f2();
b.f3();
</script>
</head>
<body>
</body>
</html>
