CheckboxRequiredValidator
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>
Methods
Method that validates whether or not the checkbox has been checked. Returns the validation result if enabled, otherwise null. |
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Parameters
Returns
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