The layer property of the XRLayerEvent interface is a reference to the XRLayer which generated the event.

An XRLayer.

In this example, the layer property is used to obtain the XRLayer object that sent the event.

myLayer.addEventListener("redraw", (e) => {
  if (typeof e.layer === "XRQuadLayer") {
    // redraw quad layer
  }
});

• XRLayer