Sensor: error event
The error
event is fired when an exception occurs on a sensor.
The Sensor
interface is a base class, onerror
and the error
event may only be used
on one of the derived classes.
After this event has occurred, the Sensor
object becomes idle. If the sensor was reading values, it will stop until it restarts.
Syntax
Use the event name in methods like addEventListener()
, or set an event handler property.
addEventListener('error', event => { })
onerror = event => { }
Event type
A SensorErrorEvent
. Inherits from Event
.
Event properties
In addition to the properties listed below, properties from the parent interface, Event
, are available.
error
Read only-
Returns the
DOMException
that has been thrown.
Examples
Log accelerometer exceptions
This example adds an event listener to log errors occurred on an Accelerometer
.
const acl = new Accelerometer({frequency: 60});
acl.addEventListener('error', error => console.log(`Error: ${error.name}`));
acl.start();
Specifications
Specification |
---|
Generic Sensor API # sensor-onerror |
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