NodeJS Interview Questions and Answers

Question 1

What is Node.js?

Accepted Answer

Node is neither a language nor a framework.

Question 2

How Node is aruntimeenvironment on server side? What is V 8?

Accepted Answer

Browsers execute JavaScript on the client side, and similarly, Node.js executes JavaScript on the server side.

Question 3

What is the difference between Runtime environment&Framework?

Accepted Answer

Runtime Environment:Primarily focuses on providing the necessary infrastructure forcode execution, including services like memory management and I/O operations.

Question 4

What is the difference between Node.js&Express.js?

Accepted Answer

Node.js is aruntime environmentthat allows the execution of JavaScript code server-side.

Question 5

What are the differences between Client-Side(Browser)&Server-Side(Node.js)?

Accepted Answer

Client-side JavaScript runs in the browser and focuses on UI and interactions, while server-side JavaScript in Node.js runs on the server and focuses on APIs, files, databases, and business logic.

Question 6

What are the differences between Client Side(Browser)&Server-Side(Node.js)?

Accepted Answer

Client-Side (Browser)

Question 7

What are the 7 Main Featuresof Node.js?

Accepted Answer

Node.js is known for non-blocking I/O, event-driven architecture, speed, cross-platform support, JavaScript everywhere, API friendliness, and strong package ecosystem support.

Question 8

What is Single Threaded Programming?

Accepted Answer

In a single-threaded application, only one thread will execute all the tasks.

Node.js Interview Questions and Answers

Node.js - Basics