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