HTTP and fetch

Question 1

What is a client?

Answer 1

something that requests information

Question 2

What is a server?

Answer 2

something that provides information

Question 3

Which HTTP method does a browser issue to a web server when you visit a URL?

Answer 3

GET

Question 4

What three things are on the start-line of an HTTP request message?

Answer 4

HTTP method, request target, HTTP version

Question 5

What three things are on the start-line of an HTTP response message?

Answer 5

protocol version, status code, status text

Question 6

What are HTTP headers?

Answer 6

metadata

Question 7

Where would you go if you wanted to learn more about a specific HTTP Header?

Answer 7

MDN

Question 8

Is a body required for a valid HTTP request or response message?

Answer 8

no

Question 9

What is AJAX?

Answer 9

allows you to update parts of the DOM of an HTML page instead without the need for a full page refresh

Question 10

What does the AJAX acronym stand for?

Answer 10

Asynchronous JavaScript and XML

Question 11

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

Answer 11

XMLHttpRequest

Question 12

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

Answer 12

‘load’ event

Question 13

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

Answer 13

prototype

Question 14

What does fetch() return?

Answer 14

A promise that resolves to a response object

Question 15

What is the default request method used by fetch()?

Answer 15

GET

Question 16

How do you specify the request method (GET, POST, etc.) when calling fetch?

Answer 16

include method in an object as an argument