web api instance property
Window: parent property
The Window.parent property is a reference to the parent
of the current window or subframe.
If a window does not have a parent, its parent property is a reference to
itself.
When a window is loaded in an <iframe>, <object>, or
<frame>, its parent is the window with the element embedding the
window.
Value
A Window or <iframe> object.
Examples
if (window.parent !== window.top) {
// We're deeper than one down
}
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.
See also
frameElementreturns the specific element (such as<iframe>) thewindowis embedded into.topreturns a reference to the top-level window.