fullscreenElement

Summary

Exposes the current fullscreen state, returning the element that is displayed fullscreen, or null if there is no such element.

Property of dom/Documentdom/Document

Syntax

Note: This property is read-only.

var element = document.fullscreenElement;

Return Value

Returns an object of type ElementElement

Returns the element that is displayed fullscreen, or null if there is no such element.

Examples

function inFullScreen() {
  if (document.fullscreenElement == null) {
    // no element is in full-screen mode
    return false;
  }
  else {
    // an element is in full-screen mode
    return true;
  }
}

Related specifications

W3C Fullscreen

Working Draft

Related specifications

W3C fullscreen working draft

See also

Tutorial: Using the full-screen API