Display a pop-up

Learn how to format a pop-up to show attributes in a feature layer.

A feature layer is a dataset in a hosted feature service. Each feature layer contains features with a single geometry type and a set of attributes. You can display attributes when users click on a feature by using a pop-up. Pop-ups can be configured to display raw attribute values, calculated values, or content in different ways including with charts or media.

In this tutorial, you use a PopupTemplate to display feature attributes in different ways in a pop-up for three different hosted feature layers.

Prerequisites

You need a free ArcGIS developer account to access your dashboard and API keys. The API key must be scoped to access the services used in this tutorial.

Steps

Create a new pen

To get started, either complete the Display a map tutorial or .

Set the API key

To access ArcGIS services, you need an API key.

Go to your dashboard to get an API key.

In CodePen, set the apiKey to your key, so it can be used to access basemap layer and location services.

Change line
esriConfig.apiKey = "YOUR-API-KEY";
const map = new Map({
  basemap: "arcgis-topographic" //Basemap layer service
});

Add modules

In the require statement, add the FeatureLayer module.

The ArcGIS API for JavaScript uses AMD modules. The require function is used to load modules so they can be used in the main function. It's important to keep the module references and function parameters in the same order.

Add line.Add line.Change line
<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Display attributes

The easiest way to display feature attributes is to reference the field names in the title or content area of a pop-up. Use a PopupTemplate class to define the content with attributes for the Trailheads feature layer.

Create a popupTrailheads and set the content property to a custom HTML string that will display information such as trail name and city jurisdiction.

Add line.Add line.Add line.Add line.Add line.
<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Create a trailheads FeatureLayer. Set the url, outFields, and popupTemplate properties before adding trailheads to the map. The FeatureLayer will autocast the popupTemplate to create a class instance of the object.

The outFields property enables access to attribute data on the client-side.

Add line.Add line.Add line.Add line.Add line.Add line.Add line.
<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Click on the hiker icons to display the pop-up.

Display a chart

You can display different types of charts, also known as media content, in pop-ups. Charts are created by defining the type and fields (attributes) values. Use the PopupTemplate class to define a bar chart that shows the minimum and maximum elevation for the Trails feature layer.

Create a popupTrails. In the content property, set the type to media that will display a column-chart of minimum and maximum elevations for each trail.

Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.Add line.
<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Create a trails FeatureLayer. Set the url, outFields, and popupTemplate properties before adding trails to the map. The FeatureLayer will autocast the popupTemplate to create a class instance of the object.

Add line.Add line.Add line.Add line.Add line.Add line.Add line.
<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Click on the trails to view a pop-up that contains a bar chart with elevation data.

Display a table

Feature attributes can also be displayed in a table. Use the PopupTemplate and fieldInfos classes to display attribute names and values in a table for the Parks and Open Spaces feature layer. One of the advantages of using a table with fieldInfos is the ability to format field values in different ways, for example, to show currency or the number of decimal places.

Create a popupOpenspaces. In the content property, set type to fields and define the fieldInfos array.

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<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Create an openspaces FeatureLayer. Set the url, outFields, and popupTemplate properties before adding openspaces to the map. The FeatureLayer will autocast the popupTemplate to create a class instance of the object.

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<html>
<head>
  <meta name="description" content="DevLab: Configure a popup">
  <meta charset="utf-8">
  <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no">
  <title>ArcGIS API for JavaScript Tutorials: Display a pop-up (JSAPI)</title>
  <style>
    html,
    body,
    #viewDiv {
      padding: 0;
      margin: 0;
      height: 100%;
      width: 100%;
    }
  </style>
  <link rel="stylesheet" href="https://js.arcgis.com/4.18/esri/themes/light/main.css">
  <script src="https://js.arcgis.com/4.18/"></script>
</head>

 <script>

  require([
      "esri/config",
      "esri/Map",
      "esri/views/MapView",

      "esri/layers/FeatureLayer"
    ],

    function(esriConfig,Map, MapView, FeatureLayer){

     esriConfig.apiKey = "YOUR-API-KEY";

      const map = new Map({
        basemap: "arcgis-topographic" //Basemap layer service
      });

      const view = new MapView({
        container: "viewDiv",
        map: map,
        center: [-118.80543,34.02700], //Longitude, latitude
        zoom: 13
      });

      // Define a pop-up for Trailheads
      const popupTrailheads = {
        "title": "Trailhead",
        "content": "<b>Trail:</b> {TRL_NAME}<br><b>City:</b> {CITY_JUR}<br><b>Cross Street:</b> {X_STREET}<br><b>Parking:</b> {PARKING}<br><b>Elevation:</b> {ELEV_FT} ft"
      }

    const trailheads = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trailheads_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","CITY_JUR","X_STREET","PARKING","ELEV_FT"],
        popupTemplate: popupTrailheads
      });

      map.add(trailheads);

      // Define a popup for Trails
      const popupTrails = {
        title: "Trail Information",
        content: [{
         type: "media",
          mediaInfos: [{
            type: "column-chart",
            caption: "",
            value: {
              fields: [ "ELEV_MIN","ELEV_MAX" ],
              normalizeField: null,
              tooltipField: "Min and max elevation values"
              }
            }]
        }]
      }

      const trails = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Trails_Styled/FeatureServer/0",
        outFields: ["TRL_NAME","ELEV_GAIN"],
        popupTemplate: popupTrails
      });

      map.add(trails,0);

      // Define popup for Parks and Open Spaces
      const popupOpenspaces = {
        "title": "{PARK_NAME}",
        "content": [{
          "type": "fields",
          "fieldInfos": [
            {
              "fieldName": "AGNCY_NAME",
              "label": "Agency",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "TYPE",
              "label": "Type",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },
            {
              "fieldName": "ACCESS_TYP",
              "label": "Access",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": null,
              "stringFieldOption": "text-box"
            },

            {
              "fieldName": "GIS_ACRES",
              "label": "Acres",
              "isEditable": true,
              "tooltip": "",
              "visible": true,
              "format": {
                "places": 2,
                "digitSeparator": true
              },

              "stringFieldOption": "text-box"
            }
          ]
        }]
      }

      const openspaces = new FeatureLayer({
        url: "https://services3.arcgis.com/GVgbJbqm8hXASVYi/arcgis/rest/services/Parks_and_Open_Space_Styled/FeatureServer/0",
        outFields: ["TYPE","PARK_NAME", "AGNCY_NAME","ACCESS_TYP","GIS_ACRES","TRLS_MI","TOTAL_GOOD","TOTAL_FAIR", "TOTAL_POOR"],
        popupTemplate: popupOpenspaces
      });

      map.add(openspaces,0);

    });
  </script>

</head>
<body>
  <div id="viewDiv"></div>
</body>
</html>

Run the App

In CodePen, run your code to display the map.

Click on different park areas to display a pop-up of a table view with the fields and values you specified. You should be able to click all of the features in the map and view a pop-up. Each pop-up will display feature attributes in a unique way.

What's next?

Learn how to use additional API features and ArcGIS services in these tutorials:

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