biketrack-plainjs/map.js

var map = L.map('map').setView([49.416075235, 8.6722049], 13);        
        L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
    zoom: 44,
    attribution: '© OpenStreetMap'

}).addTo(map)
            

          //L.tileLayer('http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png').addTo(map);
          //var marker = L.marker([49.41607523,8.67220049]).addTo(map);
          //var polyline = L.polyline(newArray, {color: 'red'}).addTo(map);
          //map.fitBounds(polyline.getBounds());