The activate
event is fired when a sensor becomes activated. It means that it will start obtaining readings.
The Sensor
interface is a base class, onactivate
and the activate
event may only be used on one of the derived classes.
The activate
event is fired when a sensor becomes activated. It means that it will start obtaining readings.
The Sensor
interface is a base class, onactivate
and the activate
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.
addEventListener('activate', event => { }) onactivate = event => { }
A generic Event
with no added properties.
This example adds an event listener to log the activation of an Accelerometer
.
const acl = new Accelerometer({frequency: 60}); acl.addEventListener('activate', () => console.log('Ready to measure.')); acl.start();
Specification |
---|
Generic Sensor API # sensor-onactivate |
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
activate_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/activate_event