The VRLayer interface (dictionary) of the WebVR API represents a content layer (an HTMLCanvasElement or OffscreenCanvas) that you want to present in a VR HMD.

API Dictionary Experimental Interface Reference Virtual Reality VR VRLayer WebVR

The leftBounds read-only property of the VRLayer interface (dictionary) defines the left texture bounds of the canvas whose contents will be presented by the VRDisplay.

API Experimental leftBounds Property Reference Virtual Reality VR VRLayer WebVR

The rightBounds read-only property of the VRLayer interface (dictionary) defines the right texture bounds of the canvas whose contents will be presented by the VRDisplay.

API Experimental Property Reference rightBounds Virtual Reality VR VRLayer WebVR

The source read-only property of the VRLayer interface (dictionary) defines the canvas whose contents will be presented by the VRDisplay.

API Experimental Property Reference source Source Virtual Reality VR VRLayer WebVR