AJAX Introduction

Question 1

Why is AJAX a developer’s dream?

Answer 1

It reads data from a web server after the page has loaded. It updates a web page without reloading the page. It sends data to a web server in the background.

Question 2

What is AJAX?

Answer 2

A technique for accessing web servers from a web page.

Question 3

What does AJAX stand for?

Answer 3

Asynchronous JavaScript and XML

Question 4

T or F: AJAX is not a programming language.

Answer 4

True

Question 5

AJAX uses the combination of what two things?

Answer 5

A browser built-in XMLHttpRequest object, and JavaScript and HTML DOM.

Question 6

AJAX uses XMLHttpRequest object to do what?

Answer 6

to request data from a web server.

Question 7

AJAX uses JavaScript and HTML to do what?

Answer 7

to display or use the data

Question 8

AJAX allows web pages to be updated ________ by exchanging data with a web server. What does this do?

Answer 8

asynchronously. It updates part of a web page, without reloading the whole page.