Firefox Tomorrow

web api instance property

Gyroscope: x property

View on MDN ↗

Secure context

The x read-only property of the Gyroscope interface returns a number specifying the angular velocity of the device along its x-axis.

Value

A Number.

Examples

The gyroscope is typically read in the reading event callback. In the example below this occurs sixty times a second.

let gyroscope = new Gyroscope({ frequency: 60 });

gyroscope.addEventListener("reading", (e) => {
  console.log(`Angular velocity along the X-axis ${gyroscope.x}`);
  console.log(`Angular velocity along the Y-axis ${gyroscope.y}`);
  console.log(`Angular velocity along the Z-axis ${gyroscope.z}`);
});
gyroscope.start();

Specifications

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.