Question 1

Q1. What is Node.js?

Accepted Answer

Ans.  Node.js is a JavaScript runtime that allows developers to execute JavaScript outside a web browser. It is widely used for backend development, APIs, web applications, and real-time services.

Question 2

Q2. Is Node.js suitable for beginners?

Accepted Answer

Ans.  Yes. Beginners who already understand basic JavaScript can start learning Node.js relatively easily. Its large ecosystem and extensive learning resources also make it a popular choice for new backend developers.

Question 3

Q3. What should I learn before Node.js?

Accepted Answer

Ans.  You should understand basic JavaScript concepts such as variables, functions, arrays, objects, loops, modules, promises, and async/await. Basic HTML and CSS can also help when building complete web applications.

Question 4

Q4. What is npm in Node.js?

Accepted Answer

ns.  npm is the package manager commonly used with Node.js. It allows developers to install, update, manage, and share JavaScript packages and project dependencies.

Question 5

Q5. What is Express.js?

Accepted Answer

Ans. Express.js is a lightweight web framework for Node.js. It simplifies routing, middleware, HTTP request handling, and REST API development.

Question 6

Q6. Can I build REST APIs with Node.js?

Accepted Answer

Ans.  Yes. Node.js combined with Express.js is widely used to create REST APIs. Developers can implement GET, POST, PUT, PATCH, and DELETE endpoints for web and mobile applications.