A Directive that adds the required validator to checkbox controls marked with the required attribute, via the NG_VALIDATORS binding.

NgModules

• FormsModule

• ReactiveFormsModule

Selectors

• input[type=checkbox][required][formControlName]
• input[type=checkbox][required][formControl]
• input[type=checkbox][required][ngModel]

Inherited from RequiredValidator

• @Input()required: boolean | string

Description

Example

<input type="checkbox" name="active" ngModel required>

Methods

Inherited from RequiredValidator

• validate(control: AbstractControl): ValidationErrors | null
• registerOnValidatorChange(fn: () => void): void