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.
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.
Use the event name in methods like addEventListener()
, or set an event handler property.
js
addEventListener("reading", (event) => {}); onreading = (event) => {};
A generic Event
with no added properties.
This example adds an event listener to read acceleration values of an Accelerometer
. It reads sixty times a second.
js
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();
Specification |
---|
Generic Sensor API # sensor-onreading |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
reading_event |
67 | 79 | No | No | 54 | No | 67 | 67 | No | 48 | No | 9.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Sensor/reading_event