js

addEventListener("change", (event) => {});

onchange = (event) => {};

js

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}`,
      );
    };
  });