JSFiddle - React, Tailwind, and code Playground

JavaScript

function showPosition(position) {
    document.write("Latitude: " + position.coords.latitude);
    document.write("<br>Longitude: " + position.coords.longitude);
    document.write("<br>Altitude: " + position.coords.altitude);
    document.write("<br>Accuracy: " + position.coords.accuracy);
    document.write("<br>Altitude accuracy: " + position.coords.altitudeAccuracy);
    document.write("<br>Heading: " + position.coords.heading);
    document.write("<br>Speed: " + position.coords.speed);    
}

if (navigator.geolocation) {
   navigator.geolocation.getCurrentPosition(showPosition);
} else {
    alert("ERR: Prohlizec nepodporuje Geolocation API");
}