AWS, JavaScript, React - Deploy Web Apps on the Cloud - Validating Forms in React - Part 2

The video tutorial covers form validation in HTML using the required attribute and JavaScript. It explains how to enhance validation by disabling buttons until required fields are filled and providing visual feedback. The tutorial demonstrates creating functions to check form validity, using prevent default to manage form submission, and optimizing code for better performance. The lesson concludes with a discussion on the importance of validation checks and visual cues for user experience.

What is the purpose of using the 'required' attribute in HTML forms?

• To style the form fields

• To disable the form fields

• To ensure that certain fields must be filled before submission

• To automatically submit the form

What does the 'form invalid' function check for?

• If the form fields are disabled

• If the form fields are empty

• If the form fields have any input

• If the form fields are styled correctly

How does the 'disabled' variable help in form validation?

• It enables the form fields

• It submits the form automatically

• It checks if any form field is invalid

• It styles the form fields

What is the role of the preventDefault method in form submission?

• To style the form fields

• To enable the form fields

• To prevent the default form submission behavior

• To refresh the page

Why was the form not functioning as expected initially?

• The function was not executed

• The form fields were not styled

• The form fields were disabled

• The form was already submitted

What happens to the confirm order button when the form is invalid?

• It changes color

• It becomes enabled

• It gets hidden

• It remains disabled

Why is it important to provide visual feedback on form fields?

• To disable the form fields

• To inform users about required fields

• To make the form look attractive

• To automatically submit the form