How many times we have heard the word "dynamic" in web development? In most of cases it involves some sort of asynchronous call or AJAX (Asynchronous Javascript and XML) technique. Load content asynchronously is essential to provide an adequate user experience according to the current web standards.

In this session we are going to explore the alternatives we can use AJAX to load dynamic content and to respond interactively to the user. The following topics will be covered:

• Basic Concepts: How asynchronous calls work?
• AJAX in Form API
• What is Drupal.ajax?
• What are Ajax Commands>?
  • Changes from Drupal 7 to Drupal 8
  • The AjaxResponse class and CommandInterface interface
• Javascript Frameworks: backbone.js and underscore.js