Secure context

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

The read-only XRInputSourcesChangeEvent property added is a list of zero or more input sources, each identified using an XRInputSource object, which have been newly made available for use.


let addedInputs = xrInputSourcesChangeEvent.added;


An Array of zero or more XRInputSource objects, each representing one input device added to the XR system.


The example below creates a handler for the inputsourceschange event that processes the lists of added and removed from the WebXR system. It looks for new and removed devices whose targetRayMode is tracked-pointer.

xrSession.oninputsourcescchange = event => {
  for (let input of event.added) {
    if (input.targetRayMode == "tracked-pointer") {
  for (let input of event.removed) {
    if (input.targetRayMode == "tracked-pointer") {


Specification Status Comment
WebXR Device API
The definition of 'XRInputSourcesChangeEvent.added' in that specification.
Working Draft Initial definition.

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