Note: This feature is available in Web Workers.
The change event of the PermissionStatus interface fires whenever the PermissionStatus.state property changes.
Use the event name in methods like addEventListener(), or set an event handler property.
addEventListener("change", (event) => { })
onchange = (event) => { }A generic Event.
navigator.permissions
.query({ name: "geolocation" })
.then((permissionStatus) => {
console.log(`geolocation permission state is ${permissionStatus.state}`);
permissionStatus.onchange = () => {
console.log(
`geolocation permission state has changed to ${permissionStatus.state}`,
);
};
});