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Anchors (WebXR)Limited availability

An XRAnchor object keeps track of a pose that is fixed relative to the real world. Anchors build an illusion that the placed objects are really present in the user's environment.

Not yet supported in all major browsers — check the table and provide a fallback.

How to use ↓Compare browsers

Browser support

DesktopChrome
1–84Not supported
85+Supportedsince Aug 25, 2020
Current: 155
Edge
12–84Not supported
85+Supportedsince Aug 27, 2020
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
18–84Not supported
85+Supportedsince Aug 25, 2020
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN: XRAnchor.

Feature detection

JS · check before using
if ("XRAnchor" in globalThis) {
  // XRAnchor is available
} else {
  // load a polyfill or use a fallback
}

Documentation (MDN)

Specification

Sub-features

Support for each part of the feature (14). The overall table above shows when the whole feature works.

Sub-featureChromeEdgeFirefoxSafariChrome AndroidFirefox AndroidSafari iOS
XRAnchor8585✕✕85✕✕
XRAnchor.anchorSpace8585✕✕85✕✕
XRAnchor.delete8585✕✕85✕✕
XRAnchorSet8585✕✕85✕✕
XRAnchorSet.@@iterator8585✕✕85✕✕
XRAnchorSet.entries8585✕✕85✕✕
XRAnchorSet.forEach8585✕✕85✕✕
XRAnchorSet.has8585✕✕85✕✕
XRAnchorSet.keys8585✕✕85✕✕
XRAnchorSet.size8585✕✕85✕✕
XRAnchorSet.values8585✕✕85✕✕
XRFrame.createAnchor8585✕✕85✕✕
XRFrame.trackedAnchors8585✕✕85✕✕
XRHitTestResult.createAnchor8585✕✕85✕✕