NgControlStatusGroup
directive
Directive automatically applied to Angular form groups that sets CSS classes based on control status (valid/invalid/dirty/etc).
NgModules
Selectors
[formGroupName][formArrayName][ngModelGroup][formGroup]form:not([ngNoForm])[ngForm]
© 2010–2019 Google, Inc.
Licensed under the Creative Commons Attribution License 4.0.
https://v6.angular.io/api/forms/NgControlStatusGroup