- layers.addBaseLayer(L.tileLayer("http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
- attribution: "© <a target=\"_parent\" href=\"http://www.openstreetmap.org\">OpenStreetMap</a> and contributors, under an <a target=\"_parent\" href=\"http://www.openstreetmap.org/copyright\">open license</a>",
+ layers.addBaseLayer(L.tileLayer("//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png", {
+ attribution: "© <a target=\"_parent\" href=\"https://www.openstreetmap.org\">OpenStreetMap</a> and contributors, under an <a target=\"_parent\" href=\"https://www.openstreetmap.org/copyright\">open license</a>",