getting location (lat, lng) using javascript

location.service.ts

import { Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class LocationService {

  constructor() { }

// getting lat,lng - once
  getPosition(): Promise<any> {
    return new Promise((resolve, reject) => {
      navigator.geolocation.getCurrentPosition(resp => {
        resolve({ lng: resp.coords.longitude, lat: resp.coords.latitude });
      },
        err => {
          reject(err);
        });
    });
  }

    // getting lat,lng - Continously
  getPositionContinously(): Promise<any> {
    return new Promise((resolve, reject) => {
      navigator.geolocation.watchPosition(resp => {
        resolve({ lng: resp.coords.longitude, lat: resp.coords.latitude });
      },
        err => {
          reject(err);
        });
    });
  }

}

getting Place Name using lat, lng from google maps api:

https://developers.google.com/maps/documentation/geocoding/overview?csw=1#ReverseGeocoding