<html>
<head>
 <title>Example-6.12函数参数和函数返回值</title>
</head>
<body>
<script>
<!--
  function a(){
    alert(this);
	var b=function(){
	   alert('调用匿名函数');
	   return a();
	}
	return b;
  }

  a(1)(2);
-->
</script>
</body>
</html>