RequiredValidator
RequiredValidator
Stable Directive
Class Overview
class RequiredValidator implements Validator { required : boolean|string validate(c: AbstractControl) : ValidationErrors| }
Selectors
:not([type=checkbox])[required][formControlName]
:not([type=checkbox])[required][formControl]
:not([type=checkbox])[required][ngModel]
Class Description
A Directive that adds the required
validator to any controls marked with the required
attribute, via the NG_VALIDATORS
binding.
Example
<input name="fullName" ngModel required>
Class Details
required : boolean|string
validate(c: AbstractControl) : ValidationErrors|
exported from forms-index, defined in forms/src/directives/validators.ts
© 2010–2017 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://angular.io/docs/ts/latest/api/forms/index/RequiredValidator-directive.html