The quaternion read-only property of the OrientationSensor interface returns a four element Array whose elements contain the components of the unit quaternion representing the device's orientation.
If a feature policy blocks use of a feature it is because your code is inconsistent with the policies set on your server. This is not something that would ever be shown to a user. See Feature-Policy for implementation instructions.
var quaternion = orientationInstance.quaternion
Because OrientationSensor is a base class, quaternion may only be read from one of its derived classes.
A Array.
// TBD
| Specification | Status | Comment |
|---|---|---|
| Orientation Sensor The definition of 'quaternion' in that specification. | Candidate Recommendation | Initial definition. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 69 | ? | ? | ? | 56 | ? |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 69 | 69 | ? | ? | 56 | ? | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/OrientationSensor/quaternion