Custom HTTP Library (Ajax with Callbacks) - Part 1

The video tutorial introduces the Easy HTTP library, a custom Ajax library for handling HTTP requests. It uses JSON Placeholder, a fake online REST API, for testing. The tutorial covers setting up a project in Visual Studio Code, creating HTML and JavaScript files, and building the Easy HTTP library using ES-5 prototypes. It demonstrates implementing a GET method and handling asynchronous operations with callbacks, including error handling. The tutorial aims to simplify HTTP requests, making it easier for users to interact with APIs.

What is the purpose of using JSON Placeholder in the Easy HTTP library tutorial?

• To offer a graphical user interface for API testing

• To provide a real-time database for production

• To serve as a fake REST API for testing

• To replace the need for a server

Which files are created during the project setup for the Easy HTTP library?

• main.js and helper.js

• easyHTTP.js and app.js

• app.js and server.js

• index.html and style.css

What programming paradigm is used to build the Easy HTTP library?

• Functional programming

• Procedural programming

• Object-oriented programming with classes

• Object-oriented programming with prototypes

What is the primary purpose of the GET method in the Easy HTTP library?

• To retrieve data from a specified URL

• To send data to the server

• To update existing data on the server

• To delete data from the server

How does the Easy HTTP library handle asynchronous operations in the GET method?

• Using promises

• Using async/await

• Using callbacks

• Using synchronous code

What is the role of the 'self' variable in the GET method implementation?

• To maintain the context of 'this' inside a function

• To store the URL

• To hold the response data

• To define the HTTP method type

What is the significance of the status code 200 in the GET method?

• It indicates a successful request

• It means the request is pending

• It signifies a client error

• It denotes a server error

How does the Easy HTTP library handle errors in the GET method?

• By ignoring them

• By logging them to the console

• By returning an error object in the callback

• By retrying the request automatically

What is the first parameter passed to the callback in the enhanced GET method?

• The response data

• The HTTP method type

• The error object

• The URL

What happens if the GET request encounters a 404 error?

• The response is returned as usual

• The error is logged and the response is null

• The request is ignored

• The request is retried