Javascript-Ajax-Q&A

Question 1

What is AJAX?

Answer 1

AJAX was an acronym for the technologies used in asynchronous requests like this
To update the page without having to refresh

Question 2

What does the AJAX acronym stand for?

Answer 2

Asynchronous JavaScript And XML. Since then, technologies have moved on and the term Ajax is now used to
refer to a group of technologies that offer asynchronous ·functionality in the browser.

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

the load event occurs

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

Prototypes (EventTarget.)