Motion sensors extends the Generic Sensor API to expose a set of low-level and fusion sensors. This feature includes JS interfaces representing accelerometers, linear acceleration sensors, gyroscopes, absolute orientation sensors and relative orientation sensors.
Docs: https://www.w3.org/TR/generic-sensor/ https://w3c.github.io/accelerometer/ https://w3c.github.io/gyroscope/ https://w3c.github.io/orientation-sensor/ https://w3c.github.io/motion-sensors/ https://developers.google.com/web/updates/2017/09/sensors-for-the-web