Questions

Check whether all of that information about forms has stuck by answering the following questions:

1. What property on an uncontrolled input element can be used to set its initial value?
2. The following JSX is a controlled input element:

   <input
     id="firstName"
     value={firstName}
   />

   However, users are unable to enter characters in the input. What is the problem here?

3. When we implement a form field as follows, why do we tie label to input using the htmlFor attribute?

   <label htmlFor="title">{label}</label>
   <input id="title" … />

4. What object in React Hook Form allows us to access validation errors?
5. What can we use from React Hook Form to determine whether the form is being submitted?
6. Why don't we use the isSubmitted flag with formState to determine whether a form has been successfully submitted?