XRFrame: getJointPose() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.

The getJointPose() method of the XRFrame interface returns an XRJointPose object providing the pose of a hand joint (see XRHand) relative to a given base space.

Syntax

js
getJointPose(joint, baseSpace)

Parameters

joint

An XRJointSpace specifying the hand joint space for which to obtain an XRJointPose describing the item's position and orientation.

baseSpace

An XRSpace to use as the base or origin for the relative position and orientation.

Return value

An XRJointPose object specifying the position and orientation of the hand joint, relative to the XRSpace indicated by baseSpace.

Examples

Using getJointPose()

Call getJointPose() with an XRJointSpace and an XRReferenceSpace to get an XRJointPose object.

js
navigator.xr
  .requestSession({ optionalFeatures: ["hand-tracking"] })
  .then(/* … */);

function renderFrame(session, frame) {
  // …

  for (const inputSource of session.inputSources) {
    if (inputSource.hand) {
      const indexFingerTipJoint = inputSource.hand.get("index-finger-tip");
      frame.getJointPose(indexFingerTipJoint, referenceSpace); // XRJointPose
    }
  }
}

Specifications

Specification
WebXR Hand Input Module - Level 1
# dom-xrframe-getjointpose

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
getJointPose
Experimental
Chrome – Full support
Chrome 131 (Release date: 2024-11-12)
footnote Full support
Edge – No support
Edge 93 – 110 (Release date: 2021-09-02)
footnote Removed in 111 and later
footnote Hololens 2 only.
Firefox – No support
Firefox
footnote No support
Opera – Full support
Opera 116 (Release date: 2025-01-08)
footnote Full support
Safari – No support
Safari
footnote No support
Chrome Android – Full support
Chrome Android 131 (Release date: 2024-11-12)
footnote Full support
Firefox for Android – No support
Firefox for Android
footnote No support
Opera Android – Full support
Opera Android 87 (Release date: 2025-01-22)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support
Samsung Internet – Full support
Samsung Internet 29 (Release date: 2025-10-25)
footnote Full support
WebView Android – No support
WebView Android
footnote No support
WebView on iOS – No support
WebView on iOS
footnote No support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
No support
No support
Experimental. Expect behavior to change in the future.

See also