Why Node.js for server-side JavaScript in Node.js - Quick Recap

Recall & Review

beginner

What is Node.js?

Node.js is a runtime that lets you run JavaScript code outside the browser, mainly on servers.

beginner

Why is Node.js good for handling many users at once?

Node.js uses an event-driven, non-blocking system that lets it handle many tasks without waiting for one to finish first.

beginner

How does Node.js help JavaScript developers?

It lets them use the same language on both the browser and server, making coding simpler and faster.

intermediate

What kind of applications benefit most from Node.js?

Apps that need to handle many connections at once, like chat apps or real-time games, work well with Node.js.

beginner

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

npm is a tool that helps you find and use ready-made code packages, speeding up development.

What makes Node.js efficient for server tasks?

A It uses event-driven, non-blocking I/O

B It runs JavaScript in the browser

C It uses multiple threads for each request

D It compiles JavaScript to machine code

Node.js uses event-driven, non-blocking input/output to handle many tasks efficiently.

Which language does Node.js run on the server?

A Python

B JavaScript

C Java

D Ruby

Node.js runs JavaScript on the server side.

Why is using the same language on client and server helpful?

A It improves database speed

B It makes the server faster

C It increases server memory

D It reduces the need to learn multiple languages

Using JavaScript on both sides means developers only need to know one language.

What is npm in the Node.js world?

A A package manager

B A database

C A web server

D A code editor

npm helps manage and share code packages for Node.js projects.

Which type of app is best suited for Node.js?

A Static websites

B Simple blogs

C Real-time chat apps

D Offline desktop apps

Node.js excels at apps needing many live connections, like chat apps.

Explain why Node.js is a good choice for server-side JavaScript.

Think about speed, language use, and how it manages tasks.

Describe the benefits of using npm with Node.js.

Consider how developers get and use code.