// Where you want to render the map. var element = document.getElementById(‘osm-map’); // Height has to be set. You can do this in CSS too. element.style = ‘height:300px;’; // Create Leaflet map on map element. var map = L.map(element); // Add OSM tile layer to the Leaflet map. L.tileLayer(‘http://{s}.tile.osm.org/{z}/{x}/{y}.png’, { attribution: ‘© OpenStreetMap contributors’ }).addTo(map); // Target’s GPS coordinates. var target = L.latLng(‘47.50737’, ‘19.04611’); // Set map’s center to target with zoom 14. map.setView(target, 14); // Place a marker on the same location. L.marker(target).addTo(map);