@ChitraKrishnan 3.14 does not have the clone method on the Graphic class so you have to make some code changes:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>Census Blocks</title>
<link rel="stylesheet" href="https://js.arcgis.com/3.14/dijit/themes/tundra/tundra.css">
<link rel="stylesheet" href="https://js.arcgis.com/3.14/esri/css/esri.css">
<style>
html,
body,
#mapDiv {
padding: 0;
margin: 0;
height: 100%;
}
</style>
<script src="https://js.arcgis.com/3.14/"></script>
<script>
var map, GL, pntsArr;
require([
"esri/map", "esri/tasks/QueryTask", "esri/SpatialReference",
"esri/tasks/query", "esri/geometry/Point", "esri/dijit/PopupTemplate",
"esri/layers/GraphicsLayer", "esri/graphic",
"esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol", "esri/renderers/SimpleRenderer",
"esri/Color", "dojo/domReady!"
], function (
Map, QueryTask, SpatialReference,
Query, Point, PopupTemplate,
GraphicsLayer, Graphic,
SimpleLineSymbol, SimpleFillSymbol, SimpleRenderer,
Color
) {
map = new Map("mapDiv", {
basemap: "streets",
center: [-83.0014423, 39.9593239],
zoom: 14,
slider: false
});
var popupTemplate = new PopupTemplate({
title: "{NAME}",
fieldInfos: [{
fieldName: "BLOCK",
visible: true,
label: "Block: "
},
{
fieldName: "CENTLAT",
visible: true,
label: "Latitude: "
},
{
fieldName: "CENTLON",
visible: true,
label: "Longitude: "
}
]
});
GL = new GraphicsLayer({id: 'mygl', infoTemplate: popupTemplate});
map.addLayer(GL);
var arrayFromDatabase = [[-83.0014423,39.9593239],[-83.0006330,39.9597960],[-83.0019028,39.9617077]];
queryBlocks(arrayFromDatabase);
function queryBlocks(dbArr) {
var q = new Query();
q.outSpatialReference = new SpatialReference(102100);
q.returnGeometry = true;
q.outFields = ["*"];
var qt = new QueryTask("https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Tracts_Blocks/MapServer/2");
dbArr.map(function (pntData){
var pnt = new Point(pntData);
q.geometry = pnt;
qt.execute(q, function (result) {
result.features.map(function (f) {
var randomColor = '#' + Math.floor(Math.random() * 16777215).toString(16);
var color = new Color(randomColor);
color.a = 0.5;
var gra = new Graphic(f.toJson());
// console.info(gra.attributes);
gra.setSymbol(
new SimpleFillSymbol(SimpleFillSymbol.STYLE_SOLID,
new SimpleLineSymbol(SimpleLineSymbol.STYLE_SOLID, new Color([0,0,0]), 2),
color
)
);
GL.add(gra);
});
});
});
}
});
</script>
</head>
<body>
<div id="mapDiv"></div>
</body>
</html>
