Angular NumberBox API

The NumberBox is a UI component that displays a numeric value and allows a user to modify it by typing in a value, and incrementing or decrementing it using the keyboard or mouse.

import { DxNumberBoxModule } from "devextreme-angular"

Type: DxNumberBoxTypes.default

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Configuration

An object defining configuration properties for the NumberBox UI component.

Name	Description
accessKey	Specifies the shortcut key that sets focus on the UI component.
activeStateEnabled	Specifies whether or not the UI component changes its state when interacting with a user.
buttons	Allows you to add custom buttons to the input text field.
disabled	Specifies whether the UI component responds to user interaction.
elementAttr	Specifies the global attributes to be attached to the UI component's container element.
focusStateEnabled	Specifies whether the UI component can be focused using keyboard navigation.
format	Specifies the value's display format and controls user input accordingly.
height	Specifies the UI component's height.
hint	Specifies text for a hint that appears when a user pauses on the UI component.
hoverStateEnabled	Specifies whether the UI component changes its state when a user pauses on it.
inputAttr	Specifies the attributes to be passed on to the underlying HTML element.
invalidValueMessage	Specifies the text of the message displayed if the specified value is not a number.
isValid	Specifies or indicates whether the editor's value is valid.
max	The maximum value accepted by the number box.
min	The minimum value accepted by the number box.
mode	Specifies the value to be passed to the type attribute of the underlying `<input>` element.
name	The value to be assigned to the `name` attribute of the underlying HTML element.
onChange	A function that is executed when the UI component loses focus after the text field's content was changed using the keyboard.
onContentReady	A function that is executed when the UI component's content is ready and each time the content is changed.
onCopy	A function that is executed when the UI component's input has been copied.
onCut	A function that is executed when the UI component's input has been cut.
onDisposing	A function that is executed before the UI component is disposed of.
onEnterKey	A function that is executed when the Enter key has been pressed while the UI component is focused.
onFocusIn	A function that is executed when the UI component gets focus.
onFocusOut	A function that is executed when the UI component loses focus.
onInitialized	A function used in JavaScript frameworks to save the UI component instance.
onInput	A function that is executed each time the UI component's input is changed while the UI component is focused.
onKeyDown	A function that is executed when a user is pressing a key on the keyboard.
onKeyUp	A function that is executed when a user releases a key on the keyboard.
onOptionChanged	A function that is executed after a UI component property is changed.
onPaste	A function that is executed when the UI component's input has been pasted.
onValueChanged	A function that is executed after the UI component's value is changed.
placeholder	The text displayed by the UI component when the UI component value is empty.
readOnly	Specifies whether the editor is read-only.
rtlEnabled	Switches the UI component to a right-to-left representation.
showClearButton	Specifies whether to display the Clear button in the UI component.
showSpinButtons	Specifies whether to show the buttons that change the value by a step.
step	Specifies how much the UI component's value changes when using the spin buttons, Up/Down arrow keys, or mouse wheel.
stylingMode	Specifies how the UI component's text field is styled.
tabIndex	Specifies the number of the element when the Tab key is used for navigating.
text	A property that holds the UI component's value with applied format.
useLargeSpinButtons	Specifies whether to use touch friendly spin buttons. Applies only if showSpinButtons is true.
validationError	Information on the broken validation rule. Contains the first item from the validationErrors array.
validationErrors	An array of the validation rules that failed.
validationMessageMode	Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.
validationStatus	Indicates or specifies the current validation status.
value	The current number box value.
valueChangeEvent	Specifies the DOM events after which the UI component's value should be updated.
visible	Specifies whether the UI component is visible.
width	Specifies the UI component's width.

Methods

This section describes the members used to manipulate the UI component.

Name	Description
beginUpdate()	Prevents the UI component from refreshing until the endUpdate() method is called.
blur()	Removes focus from the input element.
defaultOptions(rule)	Specifies the device-dependent default configuration properties for this component.
dispose()	Disposes of all the resources allocated to the NumberBox instance.
element()	Gets the root UI component element.
endUpdate()	Refreshes the UI component after a call of the beginUpdate() method.
focus()	Sets focus to the input element representing the UI component.
getButton(name)	Gets an instance of a custom action button.
getInstance(element)	Gets the instance of a UI component found using its DOM node.
instance()	Gets the UI component's instance. Use it to access other methods of the UI component.
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.
option()	Gets all UI component properties.
option(optionName)	Gets the value of a single property.
option(optionName, optionValue)	Updates the value of a single property.
option(options)	Updates the values of several properties.
registerKeyHandler(key, handler)	Registers a handler to be executed when a user presses a specific key.
repaint()	Repaints the UI component without reloading data. Call it to update the UI component's markup.
reset()	Resets the value property to null.
resetOption(optionName)	Resets a property to its default value.

Events

This section describes events fired by this UI component.

Name	Description
change	Raised when the UI component loses focus after the text field's content was changed using the keyboard.
contentReady	Raised when the UI component's content is ready.
copy	Raised when the UI component's input has been copied.
cut	Raised when the UI component's input has been cut.
disposing	Raised before the UI component is disposed of.
enterKey	Raised when the Enter key has been pressed while the UI component is focused.
focusIn	Raised when the UI component gets focus.
focusOut	Raised when the UI component loses focus.
initialized	Raised only once, after the UI component is initialized.
input	Raised each time the UI component's input is changed while the UI component is focused.
keyDown	Raised when a user is pressing a key on the keyboard.
keyUp	Raised when a user releases a key on the keyboard.
optionChanged	Raised after a UI component property is changed.
paste	Raised when the UI component's input has been pasted.
valueChanged	Raised after the UI component's value is changed.

Angular NumberBox API

See Also

Configuration

See Also

Methods

Events

See Also