JavaScript Runtime Environment: Node.js Quiz and Flashcards

Study Flashcards Play Quiz

Questions and Answers

What is Node.js primarily used for?

Building web servers and APIs

Which JavaScript engine does Node.js use to execute code?

V8 engine from Google Chrome

What is npm in the context of Node.js?

Node Package Manager for installing and managing packages/libraries

What is Node.js known for in terms of I/O model?

Event-driven, non-blocking I/O model Signup and view all the answers

What is the primary function of Node.js?

Running JavaScript code on the server side Signup and view all the answers

Which JavaScript engine does Node.js use?

V8 engine Signup and view all the answers

What is the primary function of Node.js?

Executing JavaScript code outside the browser for server-side scripting Signup and view all the answers

What is the key component that enables easy installation and management of packages/libraries in Node.js projects?

Node.js Package Manager (NPM) Signup and view all the answers

What is one of Node.js' key strengths?

Its single-threaded event loop for handling asynchronous operations Signup and view all the answers

What is the role of npm in Node.js projects?

Facilitating easy installation and management of packages/libraries Signup and view all the answers

What makes Node.js suitable for real-time applications like chat applications or online gaming?

Its non-blocking nature and event-driven architecture Signup and view all the answers

What contributes to the popularity of Node.js in developing APIs, microservices, and server-side applications?

Its non-blocking nature and ability to handle concurrent connections Signup and view all the answers

What does Express.js provide for building web applications and APIs?

A robust set of features Signup and view all the answers

How does Node.js empower developers in terms of full-stack development?

By enabling consistent language across the entire application Signup and view all the answers

In what domains does Node.js find utility, as mentioned in the text?

Internet of Things (IoT), cloud computing, and real-time applications Signup and view all the answers

What may hinder the performance of Node.js in certain scenarios?

Intensive CPU-bound tasks due to its single-threaded nature Signup and view all the answers

What contributes to the widespread adoption of Node.js in the software development landscape?

Its vibrant community, extensive library ecosystem, and ability to leverage JavaScript skills across the entire stack Signup and view all the answers

Study Notes

Node.js Overview

Node.js is primarily used for building scalable server-side applications, especially for real-time web applications, APIs, and microservices.

JavaScript Engine

Node.js uses V8 JavaScript engine to execute code.

Package Management

npm (Node Package Manager) is the package manager for Node.js, enabling easy installation and management of packages/libraries in Node.js projects.
npm is the key component that enables easy installation and management of packages/libraries in Node.js projects.

I/O Model

Node.js is known for its non-blocking, event-driven I/O model, making it suitable for real-time applications like chat applications or online gaming.

Primary Function

The primary function of Node.js is to enable developers to run JavaScript on the server-side, allowing for full-stack development.

Key Strengths

One of Node.js' key strengths is its ability to handle high traffic and multiple concurrent connections efficiently.

npm Role

The role of npm in Node.js projects is to enable easy installation and management of packages/libraries.

Suitability for Real-Time Applications

Node.js' non-blocking, event-driven I/O model makes it suitable for real-time applications like chat applications or online gaming.

Popularity in API and Server-Side Development

Node.js is popular in developing APIs, microservices, and server-side applications due to its ability to handle high traffic and multiple concurrent connections efficiently.

Web Application and API Development

Express.js provides a framework for building web applications and APIs, making it easier to develop and maintain them.

Full-Stack Development

Node.js empowers developers in terms of full-stack development by enabling them to run JavaScript on the server-side.

Domains of Utility

Node.js finds utility in domains such as web development, IoT development, and desktop applications.

Performance Hinderance

Node.js performance may be hindered in scenarios where CPU-intensive tasks are involved.

Widespread Adoption

The widespread adoption of Node.js in the software development landscape is contributed by its ability to handle high traffic and multiple concurrent connections efficiently, making it a popular choice for developing scalable server-side applications.