Modern JavaScript from the Beginning - Second Edition - Fetch Options - Method, Body Headers

This video tutorial covers the Fetch API, focusing on GET and POST requests, and the options available such as method, headers, and body. It introduces JSON Placeholder, a fake API for testing, and explains CRUD operations in REST APIs. The tutorial demonstrates creating a POST request function in JavaScript, detailing how to handle data and headers. It also explores HTTP headers and responses, using the network tab for insights.

What is the default HTTP method used by the Fetch API if no method is specified?

• PUT

• POST

• DELETE

• GET

Which of the following is NOT a common HTTP method used in RESTful APIs?

• POST

• FETCH

• DELETE

• GET

What is the purpose of including headers in an HTTP request?

• To specify the URL

• To set the request body

• To define the request method

• To send additional information like content type

Why might you include an authentication token in the headers of a request?

• To specify the request method

• To authenticate and access protected resources

• To set the request URL

• To define the request body

What is the primary use of the body in a POST request?

• To include headers

• To define the request method

• To send data to the server

• To specify the request URL

What is JSON Placeholder primarily used for?

• Testing and prototyping

• Creating user interfaces

• Managing databases

• Storing real data

Which HTTP method is used to update existing data in a RESTful API?

• POST

• PUT

• GET

• DELETE

What does CRUD stand for in the context of RESTful APIs?

• Create, Retrieve, Upload, Download

• Create, Read, Update, Delete

• Connect, Read, Upload, Download

• Connect, Retrieve, Update, Delete

In a POST request, what is typically returned by the server?

• A list of all resources

• An error message

• The newly created resource

• The entire database

What status code indicates that a resource was successfully created?

• 200

• 201

• 404

• 500