Javascript Point2PointDistance: Caculate distance (in m) between 2 lat/lng points

Point2PointDistance.js

const Point2PointDistance = (lat1, lon1, lat2, lon2) => {
   const toRad = num => num * Math.PI / 180; // Converts numeric degrees to radians

   const R = 6371000, // earth radius, in m
      dLat = toRad(lat2 - lat1),
      dLon = toRad(lon2 - lon1);
   lat1 = toRad(lat1);
   lat2 = toRad(lat2);

   const a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
      Math.sin(dLon / 2) * Math.sin(dLon / 2) * Math.cos(lat1) * Math.cos(lat2);
   const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
   return R * c;
}

//console.log(Point2PointDistance(52.25,5.77,52.35,5.95))

Example: console.log(Point2PointDistance(52.25,5.77,52.35,5.95))