Angular sets these CSS classes. It is up to your application to provide useful styling.

CSS classes used by angular

• ng-invalid, ng-valid

  • Usage: angular applies this class to an input widget element if that element's input does not pass validation. (see input directive).

• ng-pristine, ng-dirty

  • Usage: angular input directive applies ng-pristine class to a new input widget element which did not have user interaction. Once the user interacts with the input widget the class is changed to ng-dirty.

Related Topics

• Angular Templates
• Angular Forms