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Showing content from https://developers.arcgis.com/javascript/latest/api-reference/esri-rest-support-FeatureSet.html below:

FeatureSet | API Reference | ArcGIS Maps SDK for JavaScript 4.33

ESM: import FeatureSet from "@arcgis/core/rest/support/FeatureSet.js";

CDN: const FeatureSet = await $arcgis.import("@arcgis/core/rest/support/FeatureSet.js");

Class: @arcgis/core/rest/support/FeatureSet

Since: ArcGIS Maps SDK for JavaScript 4.20

A collection of features returned from ArcGIS Server or used as input to methods. Each feature in the FeatureSet may contain geometry, attributes, and symbology. If the FeatureSet does not contain geometry, and only contains attributes, the FeatureSet can be treated as a table where each feature is a row object. Methods that return FeatureSet include query.

See also

• query

FeatureSet Constructor new FeatureSet(properties)

Parameter

optional

See the properties for a list of all the properties that may be passed into the constructor.

Show inherited properties Hide inherited properties

declaredClass

Inherited

Property declaredClass Stringreadonly

The name of the class. The declared class name is formatted as esri.folder.className.

displayFieldName Property displayFieldName String

The name of the layer's primary display field. The value of this property matches the name of one of the fields of the feature. This is only applicable when the FeatureSet is returned from a task. It is ignored when the FeatureSet is used as input to a geoprocessing task.

exceededTransferLimit Property exceededTransferLimit Boolean

Typically, a layer has a limit on the number of features (i.e., records) returned by the query operation. If maxRecordCount is configured for a layer, exceededTransferLimit will be true if a query matches more than the maxRecordCount features. It will be false otherwise. Supported by ArcGIS Server version 10.1 and later.

The array of graphics returned from a task.

Information about each field.

geometryType Property geometryType String

The geometry type of features in the FeatureSet. All features's geometry must be of the same type.

Possible Values:"point" |"multipoint" |"polyline" |"polygon" |"extent" |"mesh"

When a FeatureSet is used as input to Geoprocessor, the spatial reference is set to the map's spatial reference by default. This value can be changed. When a FeatureSet is returned from a task, the value is the result as returned from the server.

Show inherited methods Hide inherited methods

addHandles

Inherited

Method addHandles(handleOrHandles, groupKey)

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, addHandles added at 4.25.

Adds one or more handles which are to be tied to the lifecycle of the object. The handles will be removed when the object is destroyed.

// Manually manage handles
const handle = reactiveUtils.when(
  () => !view.updating,
  () => {
    wkidSelect.disabled = false;
  },
  { once: true }
);

this.addHandles(handle);

// Destroy the object
this.destroy();

Parameters

Handles marked for removal once the object is destroyed.

groupKey *

optional

Key identifying the group to which the handles should be added. All the handles in the group can later be removed with Accessor.removeHandles(). If no key is provided the handles are added to a default group.

Creates a new instance of this class and initializes it with values from a JSON object generated from an ArcGIS product. The object passed into the input json parameter often comes from a response to a query operation in the REST API or a toJSON() method from another ArcGIS product. See the Using fromJSON() topic in the Guide for details and examples of when and how to use this function.

Returns

Type Description * | null | undefined Returns a new instance of this class.

hasHandles

Inherited

Method hasHandles(groupKey){Boolean}

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, hasHandles added at 4.25.

Returns true if a named group of handles exist.

Parameter

groupKey *

optional

A group key.

Returns

Type Description Boolean Returns true if a named group of handles exist.

Example

// Remove a named group of handles if they exist.
if (obj.hasHandles("watch-view-updates")) {
  obj.removeHandles("watch-view-updates");
}

removeHandles

Inherited

Method removeHandles(groupKey)

Since: ArcGIS Maps SDK for JavaScript 4.25 Accessor since 4.0, removeHandles added at 4.25.

Removes a group of handles owned by the object.

Parameter

groupKey *

optional

A group key or an array or collection of group keys to remove.

Example

obj.removeHandles(); // removes handles from default group

obj.removeHandles("handle-group");
obj.removeHandles("other-handle-group");

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