web api event
Sensor: activate event
Secure context
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.
Syntax
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("activate", (event) => { })
onactivate = (event) => { }
Event type
A generic Event with no added properties.
Examples
Log when an accelerometer is ready to measure
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();
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.