var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map);L.geoJSON(states, {
style: function(feature) {
switch (feature.properties.party) {
case 'Republican': return {color: "#ff0000"};
case 'Democrat': return {color: "#0000ff"};
}
}
}).addTo(map);The sensor parameter is no longer required for the Maps JavaScript API. It won't prevent the Maps JavaScript API from working correctly, but we recommend that you remove the sensor parameter from the script element.
map.fitBounds(polygon.getBounds());