Note: This feature is available in Web Workers.
The PermissionStatus interface of the Permissions API provides the state of an object and an event handler for monitoring changes to said state.
PermissionStatus.name Read onlyReturns the name of a requested permission, identical to the name passed to Permissions.query.
PermissionStatus.state Read onlyReturns the state of a requested permission; one of 'granted', 'denied', or 'prompt'.
changeInvoked upon changes to PermissionStatus.state.
navigator.permissions
.query({ name: "geolocation" })
.then((permissionStatus) => {
console.log(`geolocation permission status is ${permissionStatus.state}`);
permissionStatus.onchange = () => {
console.log(
`geolocation permission status has changed to ${permissionStatus.state}`,
);
};
});