ArcGIS API for JavaScript ^3.26

require([
  "esri/geometry/Point", "esri/SpatialReference", ... 
], function(Point, SpatialReference, ... ) {
  new Point(-118.15, 33.80, new SpatialReference({ wkid: 4326 }));
  ...
});

require([
  "esri/geometry/Point", "esri/SpatialReference", ... 
], function(Point, SpatialReference, ... ) {
  var point = new Point([-122.65,45.53],new SpatialReference({ wkid:4326 }));
  ...
});

require([
  "esri/geometry/Point", ... 
], function(Point, ... ) {
  var point = new Point( {"x": -122.65, "y": 45.53, "spatialReference": {"wkid": 4326 } });
  ...
});

require([
  "esri/geometry/Point", ... 
], function(Point, ... ) {
  var point = new Point(-98, 38);
  ...
});

require([
  "esri/geometry/Point", ... 
], function(Point, ... ) {
  var point = new Point([-98, 38]);
  ...
});

require([
  "esri/geometry/Point", ... 
], function(Point, ... ) {
  var point = new Point({
    latitude: 38,
    longitude: -98
  });
  ...
});

var map;

require([
  "esri/InfoTemplate",
  "esri/layers/FeatureLayer",
  "esri/map",
  "esri/tasks/query", "dojo/domReady!"
], function (InfoTemplate, FeatureLayer, Map, Query){

  map = new Map("map", {
    basemap: "topo",
    center: [-122.45, 37.75], // longitude, latitude
    zoom: 10
  });

  var infoTemplate = new InfoTemplate("Attributes", "${*}");

  var countiesFeatureLayer = new FeatureLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/3",
    {
      mode: FeatureLayer.MODE_ONDEMAND,
      infoTemplate: infoTemplate,
      outFields: ['*']
    });
  var highwaysFeatureLayer = new FeatureLayer("http://sampleserver6.arcgisonline.com/arcgis/rest/services/USA/MapServer/1",
    {
      mode: FeatureLayer.MODE_ONDEMAND,
      infoTemplate: infoTemplate,
      outFields: ['*']
    });

  map.on("load", function (){
    map.addLayer(countiesFeatureLayer);
    map.addLayer(highwaysFeatureLayer);

    var query = new Query();
    query.geometry = map.extent;
    query.spatialRelationship = Query.SPATIAL_REL_ENVELOPEINTERSECTS;
    query.returnGeometry = true;
    query.outFields = ["*"];

    countiesFeatureLayer.queryFeatures(query, function (featureSet){
      var polygon = featureSet.features[0].geometry;
      // populate the Geometry cache by calling getExtent()
      var polygonExtent = polygon.getExtent();
      console.log("polygonExtent", polygonExtent);
      console.log("polygon.cache._extent", polygon.cache._extent);

      for (var i = 0; i < featureSet.features.length; i  ) {
        var feature = featureSet.features[i];
        console.log("Polygon geometry cache, %o", feature.geometry.cache);
        feature.geometry.clearCache();
        console.log("Polygon geometry clear cache, %o", feature.geometry.cache);
        // Break out of the loop after the first result
        break;
      }
    });

    highwaysFeatureLayer.queryFeatures(query, function (featureSet){
      var line = featureSet.features[0].geometry;
      // populate the Geometry cache by calling getExtent()
      var lineExtent = line.getExtent();
      console.log("lineExtent", lineExtent);
      console.log("line.cache._extent", line.cache._extent);

      for (var i = 0; i < featureSet.features.length; i  ) {
        var feature = featureSet.features[i];
        console.log("Line geometry cache, %o", feature.geometry.cache);
        feature.geometry.clearCache();
        console.log("Line geometry clear cache, %o", feature.geometry.cache);
        // Break out of the loop after the first result
        break;
      }
    });

  });
});