JavaScript Reference/Javascript Properties/frameElement

"frameElement" is applied to

+----------------+--------------------------------------------------------------+
| Applied_To     |window                                                        |
+----------------+--------------------------------------------------------------+

"frameElement" Syntax and Note

Note:
Read-only property. 
When the window is contained within a <frame> or <iframe> element, 
this property returns a reference to the container element.
    
Syntax:
    
window.frameElement