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/Angular 7

CheckboxControlValueAccessor

directive

A ControlValueAccessor for writing a value and listening to changes on a checkbox input element.

NgModules

Selectors

Properties

Property Description
onChange: (_: any) => { }

The registered callback function called when a change event occurs on the input element.

onTouched: () => { }

The registered callback function called when a blur event occurs on the input element.

Description

Using a checkbox with a reactive form.

The following example shows how to use a checkbox with a reactive form.

const rememberLoginControl = new FormControl();
<input type="checkbox" [formControl]="rememberLoginControl">

Methods

Sets the "checked" property on the input element.

writeValue(value: any): void

Parameters
value any

The checked value

Returns

void

Registers a function called when the control value changes.

registerOnChange(fn: (_: any) => {}): void

Parameters
fn (_: any) => {}

The callback function

Returns

void

Registers a function called when the control is touched.

registerOnTouched(fn: () => {}): void

Parameters
fn () => {}

The callback function

Returns

void

Sets the "disabled" property on the input element.

setDisabledState(isDisabled: boolean): void

Parameters
isDisabled boolean

The disabled value

Returns

void

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Licensed under the Creative Commons Attribution License 4.0.
https://v7.angular.io/api/forms/CheckboxControlValueAccessor