text: goog.require('ol.Map');
  goog.require('ol.RendererHint');
  goog.require('ol.View2D');
  goog.require('ol.layer.TileLayer');
  goog.require('ol.source.MapQuestOpenAerial');
  
  
  var domMap = new ol.Map({
    layers: [
      new ol.layer.TileLayer({
        source: new ol.source.MapQuestOpenAerial()
      })
    ],
    renderer: ol.RendererHint.DOM,
    target: 'domMap',
    view: new ol.View2D({
      center: [0, 0],
      zoom: 1
    })
  });
  
  
  var webglMap = new ol.Map({
    renderer: ol.RendererHint.WEBGL,
    target: 'webglMap'
  });
  webglMap.bindTo('layers', domMap);
  webglMap.bindTo('view', domMap);
  
  
  var canvasMap = new ol.Map({
    renderer: ol.RendererHint.CANVAS,
    target: 'canvasMap'
  });
  canvasMap.bindTo('layers', domMap);
  canvasMap.bindTo('view', domMap);
  