日期:2014-05-16  浏览次数:20357 次

javascript 继承(prototype)
<!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>
<script language="javascript">

 function obj(){
 
		obj.prototype.name='linq';

		this.age=11;
 
 }

 function testPrototype(){
		this.testname='kkkkkkk';
 }
 
 testPrototype.prototype=new obj();  //继承
 var a= new testPrototype();
 
 var obj=new obj();
 alert(obj.name);
// alert(obj.prototype.name);  erros

 alert(a.name);
 alert(a.age);
 alert(a.testname);



	
</script>
</head>

<body>
<input name="" type="button" value="看结果" onclick="testPrototype();"/>

</body>
</html>