How to make a quiz with form submission?

Question

JavaScript

Hello, the goal was to create a questionnaire with sending results and contact information to the mail, I found a good solution to the questionnaire
https://codepen.io/gcarino/pen/LDgtn
But I don’t know how to send this data to the mail, please tell me

Answer 1

On the frontend? No way

Answer 2

Send the result to the back end and send it to the specified mail from there.