JavaScript/jQuery SelectBox Events

This section describes events fired by this widget.

change

Raised when the element loses focus after the content has been changed.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onChange

closed

Raised once the drop-down editor is closed.

Type:

Event

Function parameters:

e:

Object

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.

Main article: onClosed

contentReady

Raised when the widget's content is ready.

Type:

Event

Function parameters:

e:

Object

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 when using Knockout.

Main article: onContentReady.

copy

Raised when the widget's input has been copied.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onCopy

customItemCreating

Raised when a user adds a custom item.

Type:

Event

Function parameters:

e:

Object

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 you use Knockout.
text	String	The input field's text.
customItem	String \| Object \| Promise<any> (jQuery or native)	The field where to place a custom item.

Main article: onCustomItemCreating

cut

Raised when the widget's input has been cut.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onCut

disposing

Raised before the widget is disposed of.

Type:

Event

Function parameters:

e:

Object

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.

Main article: onDisposing

enterKey

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

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onEnterKey

focusIn

Raised when the widget gets focus.

Type:

Event

Function parameters:

e:

Object

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.
model	Object	The model data. Available only if Knockout is used.
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.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onFocusIn

focusOut

Raised when the widget loses focus.

Type:

Event

Function parameters:

e:

Object

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.
model	Object	The model data. Available only if Knockout is used.
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.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onFocusOut

initialized

Raised only once, after the widget is initialized.

Type:

Event

Function parameters:

e:

Object

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.

Main article: onInitialized

input

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

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onInput

itemClick

Raised when a list item is clicked or tapped.

Type:

Event

Function parameters:

e:

Object

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.
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 }.
event	Event (jQuery or EventObject)	The event that caused the handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onItemClick

keyDown

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

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onKeyDown

keyPress

Raised when a user presses a key on the keyboard.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onKeyPress

keyUp

Raised when a user releases a key on the keyboard.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onKeyUp

opened

Raised once the drop-down editor is opened.

Type:

Event

Function parameters:

e:

Object

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.

Main article: onOpened

optionChanged

Raised after a widget option is changed.

Type:

Event

Function parameters:

e:

Object

Information about the event.

Object structure:

Name	Type	Description
name	String	The option's short name.
model	Object	The model data. Available only if you use Knockout.
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.
fullName	String	The option's full name.
value	any	The option's new value.

Main article: onOptionChanged

paste

Raised when the widget's input has been pasted.

Type:

Event

Function parameters:

e:

Object

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.
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 handler execution. It is a dxEvent or a jQuery.Event when you use jQuery.

Main article: onPaste

selectionChanged

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

Type:

Event

Function parameters:

e:

Object

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:

Object

Information about the event.

Object structure:

Name	Type	Description
event	Event (jQuery or EventObject)	The event that caused the handler execution. 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.
previousValue	Object	Returns the widget's previous value.
value	Object	Returns the widget's new value.
model	Object	The model data. Available only if Knockout is used.
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.

Main article: onValueChanged

JavaScript/jQuery SelectBox Events

See Also

change

See Also

closed

See Also

contentReady

See Also

copy

See Also

customItemCreating

See Also

cut

See Also

disposing

See Also

enterKey

See Also

focusIn

See Also

focusOut

See Also

initialized

See Also

input

See Also

itemClick

See Also

keyDown

See Also

keyPress

See Also

keyUp

See Also

opened

See Also

optionChanged

See Also

paste

See Also

selectionChanged

See Also

valueChanged

See Also