日期:2014-05-17 浏览次数:20846 次
<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<script language="javascript">
function ClassA(color){
this.color = color;
this.saycolor = function(){
alert(this.color);
};
}
function ClassB(color,name){
this.newmethod = ClassA;
this.newmethod(color);
delete this.newmethod;
this.name = name;
this.sayhi = function(){
alert(this.name);
};
}
var obj1 = new classA("red");
var obj2 = new ClassB("blue","as h");
obj1.saycolor();
obj2.saycolor();
obj2.sayhi();
</script>
</body>
</html>