ngModel.NgModelController.$setValidity()

$setValidity(validationErrorKey, isValid);

Change the validity state, and notify the form.

This method can be called within $parsers/$formatters or a custom validation implementation. However, in most cases it should be sufficient to use the ngModel.$validators and ngModel.$asyncValidators collections which will call $setValidity automatically.

Parameters

Param	Type	Details
validationErrorKey	`string`	Name of the validator. The `validationErrorKey` will be assigned to either `$error[validationErrorKey]` or `$pending[validationErrorKey]` (for unfulfilled `$asyncValidators`), so that it is available for data-binding. The `validationErrorKey` should be in camelCase and will get converted into dash-case for class name. Example: `myError` will result in `ng-valid-my-error` and `ng-invalid-my-error` class and can be bound to as `{{someForm.someControl.$error.myError}}` .
isValid	`boolean`	Whether the current state is valid (true), invalid (false), pending (undefined), or skipped (null). Pending is used for unfulfilled `$asyncValidators`. Skipped is used by Angular when validators do not run because of parse errors and when `$asyncValidators` do not run because any of the `$validators` failed.

Links:

https://docs.angularjs.org/api/ng/type/ngModel.NgModelController#$setValidity

doc_AngularJS

2016-03-29 16:12:16

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