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require(["esri/widgets/support/DatePicker"], function(DatePicker) { /* code goes here */ });
Class: esri/widgets/support/DatePicker
Inheritance: DatePicker Widget Accessor
Since: ArcGIS API for JavaScript 4.15

The DatePicker class provides functionality to easily choose an input date. This helper widget is utilized by the Directions widget.

For information about gaining full control of widget styles, see the Styling topic.
See also:

Constructors

new DatePicker(properties)
Parameter:
properties Object
optional

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

Example:
// typical usage
var DatePicker = new DatePicker({
  container: "date-picker", // DOM element for widget
  value: "2019-12-25", // value that will initially display
});

Property Overview

Any properties can be set, retrieved or listened to. See the Working with Properties topic.
NameTypeSummaryClass
Boolean

Indicates whether the date gets updated when the user changes the month in the drop-down.

more details
more detailsDatePicker
String|HTMLElement

The ID or node representing the DOM element containing the widget.

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more detailsWidget
String

The name of the class.

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more detailsAccessor
String

The unique ID assigned to the widget when the widget is created.

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more detailsWidget
String

The widget's default label.

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more detailsDatePicker
Date

The input value for the widget.

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more detailsDatePicker
DatePickerViewModel

The view model for this widget.

more details
more detailsDatePicker

Property Details

commitOnMonthChange Boolean

Indicates whether the date gets updated when the user changes the month in the drop-down.

Default Value:false

The ID or node representing the DOM element containing the widget. This property can only be set once. The following examples are all valid use cases when working with widgets.

Examples:
// Create the HTML div element programmatically at runtime and set to the widget's container
const basemapGallery = new BasemapGallery({
  view: view,
  container: document.createElement("div")
});

// Add the widget to the top-right corner of the view
view.ui.add(basemapGallery, {
  position: "top-right"
});
// Specify an already-defined HTML div element in the widget's container

const basemapGallery = new BasemapGallery({
  view: view,
  container: basemapGalleryDiv
});

// Add the widget to the top-right corner of the view
view.ui.add(basemapGallery, {
  position: "top-right"
});

// HTML markup
<body>
  <div id="viewDiv"></div>
  <div id="basemapGalleryDiv"></div>
</body>
// Specify the widget while adding to the view's UI
const basemapGallery = new BasemapGallery({
  view: view
});

// Add the widget to the top-right corner of the view
view.ui.add(basemapGallery, {
  position: "top-right"
});
declaredClass Stringreadonly inherited

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

The unique ID assigned to the widget when the widget is created. If not set by the developer, it will default to the container ID, or if that is not present then it will be automatically generated.

label String

The widget's default label.

value Date

The input value for the widget.

The view model for this widget. This is a class that contains all the logic (properties and methods) that controls this widget's behavior. See the DatePickerViewModel class to access all properties and methods on the widget.

Method Overview

NameReturn TypeSummaryClass
String

A utility method used for building the value for a widget's class property.

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more detailsWidget

Destroys the widget instance.

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more detailsWidget
Boolean

Emits an event on the instance.

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more detailsWidget
Boolean

Indicates whether there is an event listener on the instance that matches the provided event name.

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more detailsWidget
Object

Registers an event handler on the instance.

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more detailsWidget

Widget teardown helper.

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more detailsWidget

This method is primarily used by developers when implementing custom widgets.

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more detailsWidget
Object

This method is primarily used by developers when implementing custom widgets.

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more detailsWidget

Renders widget to the DOM immediately.

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more detailsWidget

This method is primarily used by developers when implementing custom widgets.

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more detailsWidget

Method Details

classes(classNames){String}inherited

A utility method used for building the value for a widget's class property. This aids in simplifying CSS class setup.

Parameter:
classNames Array<(string|Array<string>|Object)>
repeatable

The class names.

Returns:
TypeDescription
StringThe computed class name.
See also:
Example:
// .tsx syntax showing how to set CSS classes while rendering the widget

render() {
  const dynamicIconClasses = {
    [CSS.myIcon]: this.showIcon,
    [CSS.greyIcon]: !this.showIcon
  };

  return (
    <div class={classes(CSS.root, CSS.mixin, dynamicIconClasses)} />
  );
}
destroy()inherited

Destroys the widget instance.

emit(type, event){Boolean}inherited

Emits an event on the instance. This method should only be used when creating subclasses of this class.

Parameters:
type String

The name of the event.

event Object
optional

The event payload.

Returns:
TypeDescription
Booleantrue if a listener was notified
hasEventListener(type){Boolean}inherited

Indicates whether there is an event listener on the instance that matches the provided event name.

Parameter:
type String

The name of the event.

Returns:
TypeDescription
BooleanReturns true if the class supports the input event.
on(type, listener){Object}inherited

Registers an event handler on the instance. Call this method to hook an event with a listener.

Parameters:

A event type, or an array of event types, to listen for.

listener Function

The function to call when the event is fired.

Returns:
TypeDescription
ObjectReturns an event handler with a remove() method that can be called to stop listening for the event(s).
PropertyTypeDescription
removeFunctionWhen called, removes the listener from the event.
Example:
view.on("click", function(event){
  // event is the event handle returned after the event fires.
  console.log(event.mapPoint);
});
own(handles)inherited

Widget teardown helper. Any handles added to it will be automatically removed when the widget is destroyed.

Parameter:

Handles marked for removal once the widget is destroyed.

postInitialize()inherited

This method is primarily used by developers when implementing custom widgets. Executes after widget is ready for rendering.

render(){Object}inherited

This method is primarily used by developers when implementing custom widgets. It must be implemented by subclasses for rendering.

Returns:
TypeDescription
ObjectThe rendered virtual node.
renderNow()inherited

Renders widget to the DOM immediately.

scheduleRender()inherited

This method is primarily used by developers when implementing custom widgets. Schedules widget rendering. This method is useful for changes affecting the UI.

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