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CheckboxRequiredValidator

directive

A Directive that adds the required validator to checkbox controls marked with the required attribute. The directive is provided with the NG_VALIDATORS multi-provider list.

See also

NgModules

Selectors

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

Inherited from RequiredValidator

Description

Adding a required checkbox validator using template-driven forms

The following example shows how to add a checkbox required validator to an input attached to an ngModel binding.

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

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