What is AJAX?
Ajax is a technique for loading data into part of a web page without having to refresh the entire page. The data is often sent in a JSON format
What does the AJAX acronym stand for?
Asynchronous JavaScript and XML
Which object is built into the browser for making HTTP requests in JavaScript?
XMLHttpRequest object
What event is fired by XMLHttpRequest objects when they are finished loading the data from the server?
the load event
An XMLHttpRequest object has an addEventListener() method just like DOM elements. How is it possible that they both share this functionality?
they have a shared prototype object