Sensor: reading event
The reading
event is fired when a new reading is available on a sensor.
The Sensor
interface is a base class, onreading
and the reading
event may only be used
on one of the derived classes.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('reading', event => { })
onreading = event => { }
Event type
A generic Event
with no added properties.
Examples
Reading acceleration
This example adds an event listener to read acceleration values of an Accelerometer
. It reads 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();
Specifications
Specification |
---|
Generic Sensor API # sensor-onreading |
Browser compatibility
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