Document: defaultView property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

In browsers, document.defaultView returns the window object associated with a document, or null if none is available.

This property is read-only.

Value

The window object.

Specification
HTML # dom-document-defaultview-dev

This page was last modified on Sep 25, 2025 by MDN contributors.