ScreenOrientation

Instance properties

ScreenOrientation.type Read only

Returns the document's current orientation type, one of portrait-primary, portrait-secondary, landscape-primary, or landscape-secondary.

ScreenOrientation.angle Read only

Returns the document's current orientation angle.

Instance methods

ScreenOrientation.lock()

Locks the orientation of the containing document to its default orientation and returns a Promise.

ScreenOrientation.unlock()

Unlocks the orientation of the containing document from its default orientation.

Events

Listen to these events using addEventListener() or by assigning an event listener to the oneventname property of this interface.

change

Fired whenever the screen changes orientation.

Example

In the following example, we listen for an orientation change event and log the new screen orientation type and angle.

screen.orientation.addEventListener("change", (event) => {
  const type = event.target.type;
  const angle = event.target.angle;
  console.log(`ScreenOrientation change: ${type}, ${angle} degrees.`);
});

Specifications

Browser compatibility