var lat = 43.619181; var lon = -79.7365383; var zoom = 15; var map = L.map( 'lc-osm-804', { scrollWheelZoom: false }).setView([lat, lon], zoom);

L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', { attribution: '© OpenStreetMap contributors' }).addTo(map);

L.marker([lat, lon]).addTo(map)