What is AJAX?
Ajax is a technique for loading data into part of a page
without having to refresh the entire page.
What does the AJAX acronym stand for?
it stands for Asynchronous Javascript and XML(eXtensible Markup Language)
Which object is built into the browser for making HTTP requests in JavaScript?
XMLHttpRequest
What event is fired by XMLHttpRequest objects when they are finished loading the data from the server?
load event
Bonus Question: An XMLHttpRequest object has an addEventListener() method just like DOM elements. How is it possible that they both share this functionality?
because it inherit from eventTarget. (check video again)