Window self Property

Is this window the topmost window:

if (window.top != window.self) {
text = "This window is NOT the topmost window!";
} else {
text = "This window is the topmost window!";
}

Description

The self property returns the current window.

The self property is read-only.

The self property is often used in comparisons (see example above).

window.self

Type	Description
An object	The Window object itself.

window.self is supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes