-----025-Window-框架.html-----
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>标题</title>
</head>
<frameset rows="30%, 70%" frameborder="0">
<frame src="026-Window-子框架.html"></frame>
<frame src="026-Window-子框架.html"></frame>
</frameset>
</html>
-----026-Window-子框架.html-----
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>标题</title>
</head>
<body>
<br/><br/>
<center><h2>子框架</h2></center>
<script type="text/javascript">
document.write("<center><h4>父窗体有" + parent.length + "个子框架</h4></center>")
</script>
</body>
</html>
