leafletjs openstreets example

var OpenStreetMap_Mapnik = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
	maxZoom: 19,
	attribution: '&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
});
var OpenAIP = L.tileLayer('http://{s}.tile.maps.openaip.net/geowebcache/service/tms/1.0.0/openaip_basemap@EPSG%3A900913@png/{z}/{x}/{y}.{ext}', {
	attribution: '<a href="https://www.openaip.net/">openAIP Data</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-NC-SA</a>)',
	ext: 'png',
	minZoom: 4,
	maxZoom: 14,
	tms: true,
	detectRetina: true,
	subdomains: '12'
});
var OpenStreetMap_Mapnik = L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
	maxZoom: 19,
	attribution: '© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors'
});
var OpenAIP = L.tileLayer('http://{s}.tile.maps.openaip.net/geowebcache/service/tms/1.0.0/openaip_basemap@EPSG%3A900913@png/{z}/{x}/{y}.{ext}', {
	attribution: '<a href="https://www.openaip.net/">openAIP Data</a> (<a href="https://creativecommons.org/licenses/by-sa/3.0/">CC-BY-NC-SA</a>)',
	ext: 'png',
	minZoom: 4,
	maxZoom: 14,
	tms: true,
	detectRetina: true,
	subdomains: '12'
});