MaxLengthValidator
A directive that adds maximum length validation to controls marked with the
maxlength attribute. The directive is provided with the NG_VALIDATORS multi-provider list.
maxlength
string | number | nullTracks changes to the maximum length bound to this directive.
enabled
booleanDetermines 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.
unknownbooleanDescription
A directive that adds maximum length validation to controls marked with the
maxlength attribute. The directive is provided with the NG_VALIDATORS multi-provider list.
Exported by
Usage Notes
Adding a maximum length validator
The following example shows how to add a maximum length validator to an input attached to an ngModel binding.
<input name="firstName" ngModel maxlength="25">