DocumentOrShadowRoot

The activeElement read-only property of the Document interface returns the Element within the DOM that is receiving keyboard events such as keydown and keyup. This is usually analogous to the focused element.

The adoptedStyleSheets property of the Document interface is used for setting an array of constructed stylesheets to be used by the document.

The customElementRegistry read-only property of the Document interface returns the CustomElementRegistry object associated with this document, or null if one has not been set.

The Document.fullscreenElement read-only property returns the Element that is currently being presented in fullscreen mode in this document, or null if fullscreen mode is not currently in use.

The read-only pictureInPictureElement property of the Document interface returns the Element that is currently being presented in picture-in-picture mode in this document, or null if picture-in-picture mode is not currently in use.

The pointerLockElement read-only property of the Document interface provides the element set as the target for mouse events while the pointer is locked. It is null if lock is pending, pointer is unlocked, or the target is in another document.

The styleSheets read-only property of the Document interface returns a StyleSheetList of CSSStyleSheet objects, for stylesheets explicitly linked into or embedded in a document.

The elementFromPoint() method, available on the Document object, returns the topmost Element at the specified coordinates (relative to the viewport).

The elementsFromPoint() method of the Document interface returns an array of all elements at the specified coordinates (relative to the viewport). The elements are ordered from the topmost to the bottommost box of the viewport.

The getAnimations() method of the Document interface returns an array of all Animation objects currently in effect whose target elements are descendants of the document. This array includes CSS Animations, CSS Transitions, and Web Animations.