Question 1

How does Node.js handle concurrency?

Accepted Answer

Node.js handles concurrency using a single-threaded event loop model. Instead of creating multiple threads for handling concurrent tasks, Node.js process them in a non-blocking manner through callbacks, promises, and async/await patterns.

Question 2

What are some common challenges when working with Node.js?

Accepted Answer

Common challenges include:
Callback Hell: Managing nested callbacks can become complex and hard-to-maintain.
Error Handling: Properly handling errors can be tricky in asynchronous code.

Question 3

How do I start learning Node.js?

Accepted Answer

To start learning Node.js:
Begin with understanding JavaScript and asynchronous programming.
Set up Node.js on your computer and experiment with basic server creation.
Explore resources like articles, online tutorials, and PW Skills courses.
Practice by building simple applications, such as a web server or API.

Node JS Demand

Node Js – Complete Guide