Multi-step-form

What are you most proud of, and what would you do differently next time?

I have given the task which given to me with dedication so I am proud of that

What challenges did you encounter, and how did you overcome them?

I have encounter a problem when I do the desktop design but I have overcome it.

What specific areas of your project would you like help with?

how can I write a validation for the last button which is the confirm button with incorpotating the errors which recieved from the previous forms without repeating the whole validation for the confirm button again like I do?