text: window.onload = function () {
      var basemap = L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
  		attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
  	});
  
      $.getJSON("census.geojson", function(data) {
  
      var geojson = L.geoJson(data, {
        onEachFeature: function (feature, layer) {
          layer.bindPopup(feature.properties.Area_Name);
        }
      });
  
      var map = L.map('my-map')
      .fitBounds(geojson.getBounds());
  
      basemap.addTo(map);
      geojson.addTo(map);
    });
  
  };
  
  