Modern JavaScript from the Beginning - Second Edition - Express Setup and Basic API

This video tutorial covers full stack web development, focusing on setting up a basic Express server. It guides through creating a package.json, installing Express, and setting up a server with basic routes. The tutorial also demonstrates testing with Postman, handling JSON responses, and building RESTful API endpoints. It emphasizes flexibility in learning and encourages using documentation as a supplement.

What is the primary focus of the course section discussed in the introduction?

• Frontend development with React

• Database management with MongoDB

• Mobile app development with Flutter

• Backend development with Node and Express

What is the first step in setting up an Express environment?

• Creating a database

• Designing the frontend

• Initializing a Node project

• Writing unit tests

Which command is used to start a basic Express server?

• npm run server

• node server.js

• express start

• npm start express

What method is used to send a JSON response in Express?

• res.send()

• res.sendJSON()

• res.responseJSON()

• res.json()

Which method is used to listen for incoming requests on a specific port in Express?

• app.init()

• app.run()

• app.start()

• app.listen()

What is the RESTful structure for creating a new idea?

• GET request to /ideas

• DELETE request to /ideas

• PUT request to /ideas

• POST request to /ideas

How are query parameters accessed in Express?

• req.params.paramName

• req.query.paramName

• req.body.paramName

• req.headers.paramName

What status code is returned when a resource is not found?

• 200

• 301

• 500

• 404

What is the purpose of using a '+' sign before a variable in JavaScript?

• To increment a number

• To declare a variable

• To concatenate strings

• To convert a string to a number

What is the benefit of using the Express router?

• It provides built-in authentication

• It automatically scales the application

• It helps organize routes into separate files

• It allows for faster server performance