Limited availability
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The Accelerometer interface of the Sensor APIs provides on each reading the acceleration applied to the device along all three axes.
To use this sensor, the user must grant permission to the 'accelerometer', device sensor through the Permissions API.
This feature may be blocked by a Permissions Policy set on your server.
EventTarget Sensor Accelerometer ConstructorAccelerometer() Experimental
Creates a new Accelerometer object.
In addition to the properties listed below, Accelerometer inherits properties from its parent interfaces, Sensor and EventTarget.
Accelerometer.x Read only Experimental
Returns a double containing the acceleration of the device along the device's x axis.
Accelerometer.y Read only Experimental
Returns a double containing the acceleration of the device along the device's y axis.
Accelerometer.z Read only Experimental
Returns a double containing the acceleration of the device along the device's z axis.
Accelerometer doesn't have own methods. However, it inherits methods from its parent interfaces, Sensor and EventTarget.
Accelerometer doesn't have own events. However, it inherits events from its parent interface, Sensor.
Acceleration is typically read in the reading event callback. In the example below this occurs sixty times a second.
const acl = new Accelerometer({ frequency: 60 });
acl.addEventListener("reading", () => {
console.log(`Acceleration along the X-axis ${acl.x}`);
console.log(`Acceleration along the Y-axis ${acl.y}`);
console.log(`Acceleration along the Z-axis ${acl.z}`);
});
acl.start();
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