GPS Speedometer

0 km/h

'success']); } ?> function calculateSpeed(position) { // ... existing code ... if (previousPosition) { // Calculate speed... // Send speed to PHP fetch('save_speed.php', { method: 'POST', headers: { 'Content-Type': 'application/x-www-form-urlencoded', }, body: 'speed=' + speed.toFixed(2) }); } }