JavaScript Reference/Javascript Properties/parentWindow
"parentWindow" Example
<html>
<body>
<script language="JavaScript">
function function1() {
alert(document.parentWindow.frames.length);
}
</script>
<input type="button"
value="How many frames in this window?"
onclick="function1();">
</body>
</html>
"parentWindow" is applied to
+----------------+--------------------------------------------------------------+
| Applied_To |document |
+----------------+--------------------------------------------------------------+
"parentWindow" Syntax and Note
Note:
Read-only property.
Returns a reference to the window that contains the document.
Syntax:
document.parentWindow