Mapa temático y tooltip con MapBox

<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8 />
<title>Choropleth</title>

<div id='map'></div>
<style>
.map-legend .swatch {
  width:20px;
  height:20px;
  float:left;
  margin-right:10px;
  }
.leaflet-popup-close-button {
  display: none;
  }
.leaflet-popup-content-wrapper {
  pointer-events: none;
  }
</style>

<script src='/aaizemberg/9982456/example/rect.js'></script>

var popup = new L.Popup({ autoPan: false });

// statesData comes from the 'us-states.js' script included above
// rect es un GeoJSON que viene de 'rect.js'

//var statesLayer = L.geoJson(statesData,  {
  var statesLayer = L.geoJson(rect,  {
      style: getStyle,
      onEachFeature: onEachFeature
  }).addTo(mapdataviz);

function getStyle(feature) {
      return {
          weight: 2,
          opacity: 0.1,
          color: 'black',
          fillOpacity: 0.7,
          fillColor: getColor(feature.properties.size)
      };
  }
  
  function getColor(d) {
      return d <= 143 ? '#ffffb2' :
          d <= 379  ? '#FECC5C' :
          d <= 866 ? '#FD8D3C' :
          d <= 2664  ? '#F03B20' :
          d <= 3204  ? '#BD0026' :
          '#0000ff';
  }

function onEachFeature(feature, layer) {
      layer.on({
          mousemove: mousemove,
          mouseout: mouseout,
          click: zoomToFeature
      });
  }

var closeTooltip;

function mousemove(e) {
      var layer = e.target;

popup.setLatLng(e.latlng);
      popup.setContent('<div class="marker-title">' + layer.feature.properties.name + '</div>' + layer.feature.properties.size);

if (!popup._map) popup.openOn(mapdataviz);
      window.clearTimeout(closeTooltip);

// highlight feature
      layer.setStyle({
          weight: 3,
          opacity: 0.3,
          fillOpacity: 0.9
      });

if (!L.Browser.ie && !L.Browser.opera) {
          layer.bringToFront();
      }
  }

function mouseout(e) {
      statesLayer.resetStyle(e.target);
      closeTooltip = window.setTimeout(function() {
          mapdataviz.closePopup();
      }, 100);
  }

function zoomToFeature(e) {
      mapdataviz.fitBounds(e.target.getBounds());
  }

mapdataviz.legendControl.addLegend(getLegendHTML());

function getLegendHTML() {
    var grades = [0, 143, 379, 866, 2664, 3204],
    labels = [],
    from, to;

for (var i = 0; i < grades.length-1; i++) {
      from = grades[i];
      to = grades[i + 1];

labels.push(
        '<li><span class="swatch" style="background:' 
        + getColor(from + 1) + '"></span> ' +
        from + (to ? '&ndash;' + to : '+')) + '</li>';
    }

return '<span>referencias</span>' + labels.join('');
  }
</script>

</body>
</html>

Modified http://www.mapbox.com/mapbox.js/assets/data/us-states.js to a secure url

Updated missing url http://bl.ocks.org/aaizemberg/raw/9982456/rect.js to /aaizemberg/9982456/example/rect.js

https://api.tiles.mapbox.com/mapbox.js/v1.6.2/mapbox.js

https://www.mapbox.com/mapbox.js/assets/data/us-states.js

https://bl.ocks.org/aaizemberg/raw/9982456/rect.js