Javascript Point2PointBearing: Caculate bearing between 2 lat/lng points

Point2PointBearing.js

/**
 * Calculate bearing (in degrees, 0-360) between two lat/lng points.
 */
const Point2PointBearing = (lat1, lng1, lat2, lng2) => {
   const toRad = num => num * Math.PI / 180;
   const toDeg = num => num * 180 / Math.PI;

   lat1 = toRad(lat1);
   lng1 = toRad(lng1);
   lat2 = toRad(lat2);
   lng2 = toRad(lng2);

   const y = Math.sin(lng2 - lng1) * Math.cos(lat2);
   const x = Math.cos(lat1) * Math.sin(lat2) -
         Math.sin(lat1) * Math.cos(lat2) * Math.cos(lng2 - lng1);
   const brng = toDeg(Math.atan2(y, x));
   return (brng + 360) % 360;
}

//console.log(Point2PointBearing(52.25,5.77,52.35,5.95))

Example: console.log(Point2PointBearing(52.25,5.77,52.35,5.95))