Forms in angular are pretty straightforward once you know how to read its state. So let’s look at a collection of tricks and put together and complete working Bootstrap 3 form with fabulous form validation.
In this form:
- No validation while initially filling the form
- On submit: validate form and keep updating fields as they change
- Red and green colors indicate the user’s progress
- Once submitted invalid form, the submit button becomes available only once the form is valid
- Bootstrap 3 form style, including help text and custom tailored alerts for validation messages