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jQuery DropDownBox API

The DropDownBox widget consists of a text field, which displays the current value, and a drop-down field, which can contain any UI element.

import DropDownBox from "devextreme/ui/drop_down_box"
Type:

Object

Configuration

An object defining configuration options for the DropDownBox widget.

Name Description
acceptCustomValue

Specifies whether the widget allows a user to enter a custom value.

accessKey

Specifies the shortcut key that sets focus on the widget.

activeStateEnabled

Specifies whether or not the widget changes its state when interacting with a user.

buttons

Allows you to add custom buttons to the input text field.

contentComponent

An alias for the contentTemplate option specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

contentRender

An alias for the contentTemplate option specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

contentTemplate

Specifies a custom template for the drop-down content.

dataSource

Binds the widget to data.

deferRendering

Specifies whether to render the drop-down field's content when it is displayed. If false, the content is rendered immediately.

disabled

Specifies whether the widget responds to user interaction.

displayExpr

Specifies the data field whose values should be displayed.

dropDownButtonComponent

An alias for the dropDownButtonTemplate option specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

dropDownButtonRender

An alias for the dropDownButtonTemplate option specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

dropDownButtonTemplate

Specifies a custom template for the drop-down button.

dropDownOptions

Configures the drop-down field which holds the content.

elementAttr

Specifies the attributes to be attached to the widget's root element.

fieldComponent

An alias for the fieldTemplate option specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

fieldRender

An alias for the fieldTemplate option specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

fieldTemplate

Specifies a custom template for the text field. Must contain the TextBox widget.

focusStateEnabled

Specifies whether the widget can be focused using keyboard navigation.

height

Specifies the widget's height.

hint

Specifies text for a hint that appears when a user pauses on the widget.

hoverStateEnabled

Specifies whether the widget changes its state when a user pauses on it.

inputAttr

Specifies the attributes to be passed on to the underlying HTML element.

isValid

Specifies whether the editor's value is valid.

items

An array of items displayed by the widget.

maxLength

Specifies the maximum number of characters you can enter into the textbox.

name

The value to be assigned to the name attribute of the underlying HTML element.

onChange

A function that is executed when the widget loses focus after the text field's content was changed using the keyboard.

onClosed

A function that is executed once the drop-down editor is closed.

onCopy

A function that is executed when the widget's input has been copied.

onCut

A function that is executed when the widget's input has been cut.

onDisposing

A function that is executed before the widget is disposed of.

onEnterKey

A function that is executed when the Enter key has been pressed while the widget is focused.

onFocusIn

A function that is executed when the widget gets focus.

onFocusOut

A function that is executed when the widget loses focus.

onInitialized

A function used in JavaScript frameworks to save the widget instance.

onInput

A function that is executed each time the widget's input is changed while the widget is focused.

onKeyDown

A function that is executed when a user is pressing a key on the keyboard.

onKeyPress

A function that is executed when a user presses a key on the keyboard.

onKeyUp

A function that is executed when a user releases a key on the keyboard.

onOpened

A function that is executed once the drop-down editor is opened.

onOptionChanged

A function that is executed after a widget option is changed.

onPaste

A function that is executed when the widget's input has been pasted.

onValueChanged

A function that is executed after the widget's value is changed.

opened

Specifies whether or not the drop-down editor is displayed.

openOnFieldClick

Specifies whether a user can open the drop-down list by clicking a text field.

placeholder

The text displayed by the widget when the widget value is empty.

readOnly

Specifies whether the editor is read-only.

rtlEnabled

Switches the widget to a right-to-left representation.

showClearButton

Specifies whether to display the Clear button in the widget.

showDropDownButton

Specifies whether the drop-down button is visible.

stylingMode

Specifies how the widget's text field is styled.

tabIndex

Specifies the number of the element when the Tab key is used for navigating.

text

The read-only option that holds the text displayed by the widget input element.

validationError

Specifies information on the validation error when using a custom validation engine. Should be changed at runtime along with the isValid option.

validationMessageMode

Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.

value

Specifies the currently selected value. May be an object if dataSource contains objects and valueExpr is not set.

valueChangeEvent

Specifies the DOM events after which the widget's value should be updated.

valueExpr

Specifies which data field provides unique values to the widget's value.

visible

Specifies whether the widget is visible.

width

Specifies the widget's width.

See Also

Methods

This section describes members used to manipulate data.

Name Description
beginUpdate()

Prevents the widget from refreshing until the endUpdate() method is called.

blur()

Removes focus from the input element.

close()

Closes the drop-down editor.

content()

Gets the popup window's content.

defaultOptions(rule)

Specifies the device-dependent default configuration options for this component.

dispose()

Disposes of all the resources allocated to the DropDownBox instance.

element()

Gets the root widget element.

endUpdate()

Refreshes the widget after a call of the beginUpdate() method.

field()

Gets the widget's <input> element.

focus()

Sets focus to the input element representing the widget.

getButton(name)

Gets an instance of a custom action button.

getDataSource()

Gets the DataSource instance.

getInstance(element)

Gets the instance of a widget found using its DOM node.

instance()

Gets the widget's instance. Use it to access other methods of the widget.

off(eventName)

Detaches all event handlers from a single event.

off(eventName, eventHandler)

Detaches a particular event handler from a single event.

on(eventName, eventHandler)

Subscribes to an event.

on(events)

Subscribes to events.

open()

Opens the drop-down editor.

option()

Gets all widget options.

option(optionName)

Gets the value of a single option.

option(optionName, optionValue)

Updates the value of a single option.

option(options)

Updates the values of several options.

registerKeyHandler(key, handler)

Registers a handler to be executed when a user presses a specific key.

repaint()

Repaints the widget without reloading data. Call it to update the widget's markup.

reset()

Resets the value option to the default value.

Events

This section describes events that this widget raises.

Name Description
change

Raised when the widget loses focus after the text field's content was changed using the keyboard.

closed

Raised once the drop-down editor is closed.

copy

Raised when the widget's input has been copied.

cut

Raised when the widget's input has been cut.

disposing

Raised before the widget is disposed of.

enterKey

Raised when the Enter key has been pressed while the widget is focused.

focusIn

Raised when the widget gets focus.

focusOut

Raised when the widget loses focus.

initialized

Raised only once, after the widget is initialized.

input

Raised each time the widget's input is changed while the widget is focused.

keyDown

Raised when a user is pressing a key on the keyboard.

keyPress

Raised when a user presses a key on the keyboard.

keyUp

Raised when a user releases a key on the keyboard.

opened

Raised once the drop-down editor is opened.

optionChanged

Raised after a widget option is changed.

paste

Raised when the widget's input has been pasted.

valueChanged

Raised after the widget's value is changed.

See Also