1、

<!DOCTYPE html>
<html>

<frameset rows="50%,*" ID="TopWindow">
<frame name="UpperWindow" src="UpperWindow.html" />    
<frame name="LowerWindow" src="LowerWindow.html" />    
</frameset>

</html>

2、

<!DOCTYPE html>
<html>
<head>
    
<script language="JavaScript" type="text/javascript">
    function window_onload()
    {
        alert("The name of the upper frame's window object is " + window.name);
        /*name就是在框架页中定义的框架页的名称*/
        alert("The location of UpperWindow's parent is " + window.parent.location.href);
        /*可以通过window.parent属性来访问父window对象的所有属性和方法*/
    }
</script>
</head>
<body onload="return window_onload()">
    
<p>Upper Frame </p>

</body>
</html>

3、

<!DOCTYPE html>
<html>
<head>
    <script type="text/javascript" language="javascript">
        function window_onload()
        {
            alert("The name of the lower frame's window object is " + window.name);
            alert("The location of LowerWindow's parent is " + window.parent.location.href);
        }    
    </script>
    
    
</head>
<body onload="return window_onload()">
    <p> Lower Frame</p>
</body>
</html>