js
/
1.基于原型链的继承.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>基于原型链的继承</title>
	</head>
	<body>
	</body>
</html>
<script type="text/javascript" charset="utf-8">
	function Parent(){
		this.pv = 'parent';
	}
	Parent.prototype.pp = 'ok';
	Parent.prototype.showParentValue=function(){
		alert(this.pv);
	}

	function Child(){
		this.cv = 'child';
	}


	Child.prototype = new Parent();

	Child.prototype.showChildValue = function(){
		alert(this.cv);
	}


	var c = new Child();
	c.showChildValue();
	c.showParentValue();
	alert(c.pp);
</script>