Learning PHP 7 (Video 27)

The video tutorial explains how to enhance a web application using asynchronous calls, specifically through Ajax. It compares synchronous and asynchronous processes using a relatable example. The tutorial covers implementing Ajax for publishing posts, setting up a REST API, and handling CSRF tokens. It also delves into JavaScript and jQuery code for Ajax calls, and concludes with testing and error handling techniques.

What role does the CSRF token play in the modal form submission?

How does the JavaScript code handle the form submission and what happens on success?

What should you do if you receive a 400 bad request response when trying to create a new post?