Different states of a form in AngularJS:-

The AngularJS form goes to the following states, starting from the form rendering and when the user has finished the filling of form.

State 1: pristine and invalid - When the form is first time rendered and the user has not interacted with the form yet.

State 2: dirty and invalid - User has interacted with the form, but form validity has not been satisfied, yet.

State 3: dirty and valid - User has finished the filling of form and the entire form validations has been satisfied