@angular/forms

MinValidator

directive

A directive which installs the MinValidator for any formControlName, formControl, or control with ngModel that also has a min attribute.

API

  
    class MinValidator extends AbstractValidatorDirective {}

min

string | number | null

Tracks changes to the min bound to this directive.

ngOnChanges

void

@paramchangesSimpleChanges

@returnsvoid

validate

ValidationErrors | null

@paramcontrolAbstractControl<any, any>

@returnsValidationErrors | null

registerOnValidatorChange

void

@paramfn() => void

@returnsvoid

enabled

boolean

Determines whether this validator should be active or not based on an input. Base class implementation checks whether an input is defined (if the value is different from null and undefined). Validator classes that extend this base class can override this function with the logic specific to a particular validator directive.

@paraminputunknown

@returnsboolean

Description

A directive which installs the MinValidator for any formControlName, formControl, or control with ngModel that also has a min attribute.

Exported by

Usage Notes

Adding a min validator

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

          <input type="number" ngModel min="4">