JavaScript/jQuery SelectBox Events

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onChange

closed

Raised once the drop-down editor is closed.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if Knockout is used.

Main article: onClosed

contentReady

Raised when the widget's content is ready.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only when using Knockout.

Main article: onContentReady.

copy

Raised when the widget's input has been copied.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onCopy

customItemCreating

Raised when a user adds a custom item.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
customItem	String \| Object \| Promise<any> (jQuery or native)	The field where to place a custom item.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.
text	String	The input field's text.

Main article: onCustomItemCreating

cut

Raised when the widget's input has been cut.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onCut

disposing

Raised before the widget is disposed of.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if you use Knockout.

Name

Type

Description

component

The widget instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if you use Knockout.

Main article: onDisposing

enterKey

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

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onEnterKey

focusIn

Raised when the widget gets focus.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	SelectBox	The widget's instance.
model	Object	The model data. Available only if Knockout is used.

Main article: onFocusIn

focusOut

Raised when the widget loses focus.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	SelectBox	The widget's instance.
model	Object	The model data. Available only if Knockout is used.

Main article: onFocusOut

initialized

Raised only once, after the widget is initialized.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

Main article: onInitialized

input

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

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onInput

itemClick

Raised when a list item is clicked or tapped.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
itemData	Object	The clicked item's data.
itemElement	Object	The item's container.
itemIndex	Number \| Object	The clicked item's index. If the widget items are grouped, the index represents an object defining the group and item indexes: { group: 0, item: 0 }.
model	Object	The model data. Available only if Knockout is used.

Main article: onItemClick

keyDown

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

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onKeyDown

keyPress

Raised when a user presses a key on the keyboard.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

IMPORTANT

This event is removed from the web standards and will be deprecated in modern browsers soon. Refer to the MDN topic for details.

Main article: onKeyPress

keyUp

Raised when a user releases a key on the keyboard.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onKeyUp

opened

Raised once the drop-down editor is opened.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name

Type

Description

component

The widget's instance.

element

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

The model data. Available only if Knockout is used.

Main article: onOpened

optionChanged

Raised after a widget option is changed.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
model	Object	The model data. Available only if you use Knockout.
fullName	String	The path to the modified option that includes all parent options.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	SelectBox	The widget's instance.
name	String	The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into.
value	any	The modified option's new value.

Main article: onOptionChanged

paste

Raised when the widget's input has been pasted.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
event	Event (jQuery or EventObject)	The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery.
jQueryEvent	jQuery.Event	Use 'event' instead. The jQuery event that caused the handler execution. Deprecated in favor of the event field.
model	Object	The model data. Available only if Knockout is used.

Main article: onPaste

selectionChanged

Raised when a list item is selected or selection is canceled.

Type:

Event

Function parameters:

e:

Information about the event.

Object structure:

Name	Type	Description
component	SelectBox	The widget's instance.
element	HTMLElement \| jQuery	The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.
model	Object	The model data. Available only if Knockout is used.
selectedItem	Object	The selected item's data.

Main article: onSelectionChanged

valueChanged

Raised after the widget's value is changed.

Type:

Event

Function parameters:

e: