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index.md
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index.md
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---
title: "VRDisplay: displayId property"
short-title: displayId
slug: Web/API/VRDisplay/displayId
page-type: web-api-instance-property
status:
- deprecated
- non-standard
browser-compat: api.VRDisplay.displayId
---
{{APIRef("WebVR API")}}{{Deprecated_Header}}{{Non-standard_Header}}
The **`displayId`** read-only property of the {{domxref("VRDisplay")}} interface returns an identifier for this particular `VRDisplay`, which is also used as an association point in the [Gamepad API](/en-US/docs/Web/API/Gamepad_API) (see {{domxref("Gamepad.displayId")}}).
> **Note:** This property was part of the old [WebVR API](https://immersive-web.github.io/webvr/spec/1.1/). It has been superseded by the [WebXR Device API](https://immersive-web.github.io/webxr/).
## Value
A number representing the ID of the specific `VRDisplay`.
## Examples
See [`VRDisplayCapabilities`](/en-US/docs/Web/API/VRDisplayCapabilities#examples) for example code.
## Specifications
This property was part of the old [WebVR API](https://immersive-web.github.io/webvr/spec/1.1/) that has been superseded by the [WebXR Device API](https://immersive-web.github.io/webxr/). It is no longer on track to becoming a standard.
Until all browsers have implemented the new [WebXR APIs](/en-US/docs/Web/API/WebXR_Device_API/Fundamentals), it is recommended to rely on frameworks, like [A-Frame](https://aframe.io/), [Babylon.js](https://www.babylonjs.com/), or [Three.js](https://threejs.org/), or a [polyfill](https://github.com/immersive-web/webxr-polyfill), to develop WebXR applications that will work across all browsers [\[1\]](https://developer.oculus.com/documentation/web/port-vr-xr/).
## Browser compatibility
{{Compat}}
## See also
- [WebVR API](/en-US/docs/Web/API/WebVR_API)