AJAX

Question 1

What is AJAX?

Answer 1

Read data from a web server - after a web page has loaded
Update a web page without reloading the page
Send data to a web server - in the background

Question 2

What does the AJAX acronym stand for?

Answer 2

Asynchronous

Question 3

Which object is built into the browser for making HTTP requests in JavaScript?

Answer 3

XMLHttpRequest

Question 4

What event is fired by XMLHttpRequest objects when they are finished loading the data from the server?

Answer 4

Load event

Question 5

Bonus Question: An XMLHttpRequest object has an addEventListener() method just like DOM elements. How is it possible that they both share this functionality?

Answer 5

Its still an event and they’re both branch off of a prototype