Consulta de propiedades

<!DOCTYPE html>
<html lang="es">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Documento HTML</title>
<script src="https://cdn.jsdelivr.net/npm/ol@v9.1.0/dist/ol.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/ol@v9.1.0/ol.css"/>
<style>
  html,
  body {
      margin: 0;
      padding: 0;
      height: 100%;
  }
  .map {
    width: 100%;
    height: 100%;
    cursor: default;
  }
  
</style>
</head>
<body>
<div id="map" class="map"></div>
<div id="info"></div>
<script>

const cnigSource = new ol.source.XYZ({
  url: 'https://tms-ign-base.idee.es/1.0.0/IGNBaseTodo/{z}/{x}/{-y}.jpeg'
});

const wmsSource = new ol.source.TileWMS({
  url: 'https://wms.mapa.gob.es/sigpac/wms?service=wms&request=getcapabilities',
  params: {
    'LAYERS': 'recinto',
    'TILED': true,
  },
  serverType: 'geoserver'
});

const cnigLayer = new ol.layer.Tile({
  source: cnigSource,
});

const wmsLayer = new ol.layer.Tile({
  source: wmsSource,
});

const view = new ol.View({
  center: ol.proj.fromLonLat([-5, 40]),
  zoom: 16
});

const map = new ol.Map({
  layers: [cnigLayer, wmsLayer],
  target: 'map',
  view: view,
});

map.on('singleclick', function (evt) {
  console.log(evt.coordinate);
  document.getElementById('info').innerHTML = '';
  const viewResolution = view.getResolution();
  const url = wmsSource.getFeatureInfoUrl(
    evt.coordinate,
    viewResolution,
    'EPSG:3857',
    {'INFO_FORMAT': 'text/html'}
  );
  console.log(url);
  if (url) {
    fetch(url)
      .then((response) => response.text())
      .then((html) => {
        document.getElementById('info').innerHTML = html;
      });
  }
});

map.on('pointermove', function (evt) {
  if (evt.dragging) {
    return;
  }
  const data = wmsLayer.getData(evt.pixel);
  const hit = data && data[3] > 0; // transparent pixels have zero for data[3]
  map.getTargetElement().style.cursor = hit ? 'pointer' : '';
});

</script>
</body>
</html>