ValidatorFn
interface
A function that receives a control and synchronously returns a map of validation errors if present, otherwise null.
interface ValidatorFn {
(control: AbstractControl): ValidationErrors | null
}
Methods
call signature | |||
---|---|---|---|
(control: AbstractControl): ValidationErrors | nullParameters
Returns
|
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Licensed under the Creative Commons Attribution License 4.0.
https://v9.angular.io/api/forms/ValidatorFn