日期:2014-05-16 浏览次数:20364 次
function Parent(){
this.name="Bill";
}
function Son(){
this.age=18;
}
Son.prototype=new Parent();
<!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>Untitled Document</title>
</head>
<body>
<script type='text/javascript'>
function Person() {
this.name = 'Person';
}
function Persons() {
this.name = 'Persons';
}
var yin = new Person();
var yins = new Persons();
var x = {},y = {};
x.z = yin;
//y.z = yin;
y.z = x.z;
x.z = yins;
alert(x.z.name);
alert(y.z.name);
</script>
</body>
</html>