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Title: Node.js — Introduction to Node.js

Open Graph Title: Node.js — Introduction to Node.js

X Title: Node.js — Introduction to Node.js

Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

Open Graph Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

X Description: Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.

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Domain: nodejs.dev

og:image	https://nodejs.org/en/next-data/og/announcement/Node.js — Introduction to Node.js
twitter:card	summary
twitter:creator	@nodejs
twitter:image	https://nodejs.org/static/images/logo-hexagon-card.png
twitter:image:alt	The Node.js Hexagon Logo
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Links:

Skip to content	https://nodejs.dev/learn#main
	https://nodejs.dev/en
Learn	https://nodejs.dev/en/learn
About	https://nodejs.dev/en/about
Download	https://nodejs.dev/en/download
Blog	https://nodejs.dev/en/blog
Docs	https://nodejs.org/docs/latest/api/
Contribute	https://github.com/nodejs/node/blob/main/CONTRIBUTING.md
Courses	https://training.linuxfoundation.org/openjs/
	https://github.com/nodejs/node
Introduction to Node.js	https://nodejs.dev/en/learn/getting-started/introduction-to-nodejs
How much JavaScript do you need to know to use Node.js?	https://nodejs.dev/en/learn/getting-started/how-much-javascript-do-you-need-to-know-to-use-nodejs
Differences between Node.js and the Browser	https://nodejs.dev/en/learn/getting-started/differences-between-nodejs-and-the-browser
The V8 JavaScript Engine	https://nodejs.dev/en/learn/getting-started/the-v8-javascript-engine
An introduction to the npm package manager	https://nodejs.dev/en/learn/getting-started/an-introduction-to-the-npm-package-manager
ECMAScript 2015 (ES6) and beyond	https://nodejs.dev/en/learn/getting-started/ecmascript-2015-es6-and-beyond
Debugging Node.js	https://nodejs.dev/en/learn/getting-started/debugging
Fetching data with Node.js	https://nodejs.dev/en/learn/getting-started/fetch
WebSocket client with Node.js	https://nodejs.dev/en/learn/getting-started/websocket
Node.js, the difference between development and production	https://nodejs.dev/en/learn/getting-started/nodejs-the-difference-between-development-and-production
Profiling Node.js Applications	https://nodejs.dev/en/learn/getting-started/profiling
Node.js with WebAssembly	https://nodejs.dev/en/learn/getting-started/nodejs-with-webassembly
Security Best Practices	https://nodejs.dev/en/learn/getting-started/security-best-practices
Introduction to Userland Migrations	https://nodejs.dev/en/learn/getting-started/userland-migrations
Run Node.js scripts from the command line	https://nodejs.dev/en/learn/command-line/run-nodejs-scripts-from-the-command-line
How to use the Node.js REPL	https://nodejs.dev/en/learn/command-line/how-to-use-the-nodejs-repl
Output to the command line using Node.js	https://nodejs.dev/en/learn/command-line/output-to-the-command-line-using-nodejs
Accept input from the command line in Node.js	https://nodejs.dev/en/learn/command-line/accept-input-from-the-command-line-in-nodejs
How to read environment variables from Node.js	https://nodejs.dev/en/learn/command-line/how-to-read-environment-variables-from-nodejs
Anatomy of an HTTP Transaction	https://nodejs.dev/en/learn/http/anatomy-of-an-http-transaction
Enterprise Network Configuration	https://nodejs.dev/en/learn/http/enterprise-network-configuration
Node.js file stats	https://nodejs.dev/en/learn/manipulating-files/nodejs-file-stats
Node.js File Paths	https://nodejs.dev/en/learn/manipulating-files/nodejs-file-paths
Reading files with Node.js	https://nodejs.dev/en/learn/manipulating-files/reading-files-with-nodejs
Writing files with Node.js	https://nodejs.dev/en/learn/manipulating-files/writing-files-with-nodejs
Working with file descriptors in Node.js	https://nodejs.dev/en/learn/manipulating-files/working-with-file-descriptors-in-nodejs
Working with folders in Node.js	https://nodejs.dev/en/learn/manipulating-files/working-with-folders-in-nodejs
How to work with Different Filesystems	https://nodejs.dev/en/learn/manipulating-files/working-with-different-filesystems
JavaScript Asynchronous Programming and Callbacks	https://nodejs.dev/en/learn/asynchronous-work/javascript-asynchronous-programming-and-callbacks
Asynchronous flow control	https://nodejs.dev/en/learn/asynchronous-work/asynchronous-flow-control
Discover Promises in Node.js	https://nodejs.dev/en/learn/asynchronous-work/discover-promises-in-nodejs
Discover JavaScript Timers	https://nodejs.dev/en/learn/asynchronous-work/discover-javascript-timers
Overview of Blocking vs Non-Blocking	https://nodejs.dev/en/learn/asynchronous-work/overview-of-blocking-vs-non-blocking
The Node.js Event Loop	https://nodejs.dev/en/learn/asynchronous-work/event-loop-timers-and-nexttick
The Node.js Event Emitter	https://nodejs.dev/en/learn/asynchronous-work/the-nodejs-event-emitter
Understanding process.nextTick()	https://nodejs.dev/en/learn/asynchronous-work/understanding-processnexttick
Understanding setImmediate()	https://nodejs.dev/en/learn/asynchronous-work/understanding-setimmediate
Don't Block the Event Loop	https://nodejs.dev/en/learn/asynchronous-work/dont-block-the-event-loop
Introduction to TypeScript	https://nodejs.dev/en/learn/typescript/introduction
Running TypeScript Natively	https://nodejs.dev/en/learn/typescript/run-natively
Running TypeScript code using transpilation	https://nodejs.dev/en/learn/typescript/transpile
Running TypeScript with a runner	https://nodejs.dev/en/learn/typescript/run
Publishing a TypeScript package	https://nodejs.dev/en/learn/typescript/publishing-a-ts-package
How to use streams	https://nodejs.dev/en/learn/modules/how-to-use-streams
Backpressuring in Streams	https://nodejs.dev/en/learn/modules/backpressuring-in-streams
Publishing a package	https://nodejs.dev/en/learn/modules/publishing-a-package
How to publish a Node-API package	https://nodejs.dev/en/learn/modules/publishing-node-api-modules
ABI Stability	https://nodejs.dev/en/learn/modules/abi-stability
User Journey	https://nodejs.dev/en/learn/diagnostics/user-journey
Memory	https://nodejs.dev/en/learn/diagnostics/memory
Live Debugging	https://nodejs.dev/en/learn/diagnostics/live-debugging
Poor Performance	https://nodejs.dev/en/learn/diagnostics/poor-performance
Flame Graphs	https://nodejs.dev/en/learn/diagnostics/flame-graphs
Discovering Node.js's test runner	https://nodejs.dev/en/learn/test-runner/introduction
Using Node.js's test runner	https://nodejs.dev/en/learn/test-runner/using-test-runner
Mocking in tests	https://nodejs.dev/en/learn/test-runner/mocking
Collecting code coverage in Node.js	https://nodejs.dev/en/learn/test-runner/collecting-code-coverage
Introduction to Node.js	https://nodejs.dev/en/learn/getting-started/introduction-to-nodejs
How much JavaScript do you need to know to use Node.js?	https://nodejs.dev/en/learn/getting-started/how-much-javascript-do-you-need-to-know-to-use-nodejs
Differences between Node.js and the Browser	https://nodejs.dev/en/learn/getting-started/differences-between-nodejs-and-the-browser
The V8 JavaScript Engine	https://nodejs.dev/en/learn/getting-started/the-v8-javascript-engine
An introduction to the npm package manager	https://nodejs.dev/en/learn/getting-started/an-introduction-to-the-npm-package-manager
ECMAScript 2015 (ES6) and beyond	https://nodejs.dev/en/learn/getting-started/ecmascript-2015-es6-and-beyond
Debugging Node.js	https://nodejs.dev/en/learn/getting-started/debugging
Fetching data with Node.js	https://nodejs.dev/en/learn/getting-started/fetch
WebSocket client with Node.js	https://nodejs.dev/en/learn/getting-started/websocket
Node.js, the difference between development and production	https://nodejs.dev/en/learn/getting-started/nodejs-the-difference-between-development-and-production
Profiling Node.js Applications	https://nodejs.dev/en/learn/getting-started/profiling
Node.js with WebAssembly	https://nodejs.dev/en/learn/getting-started/nodejs-with-webassembly
Security Best Practices	https://nodejs.dev/en/learn/getting-started/security-best-practices
Introduction to Userland Migrations	https://nodejs.dev/en/learn/getting-started/userland-migrations
Run Node.js scripts from the command line	https://nodejs.dev/en/learn/command-line/run-nodejs-scripts-from-the-command-line
How to use the Node.js REPL	https://nodejs.dev/en/learn/command-line/how-to-use-the-nodejs-repl
Output to the command line using Node.js	https://nodejs.dev/en/learn/command-line/output-to-the-command-line-using-nodejs
Accept input from the command line in Node.js	https://nodejs.dev/en/learn/command-line/accept-input-from-the-command-line-in-nodejs
How to read environment variables from Node.js	https://nodejs.dev/en/learn/command-line/how-to-read-environment-variables-from-nodejs
Anatomy of an HTTP Transaction	https://nodejs.dev/en/learn/http/anatomy-of-an-http-transaction
Enterprise Network Configuration	https://nodejs.dev/en/learn/http/enterprise-network-configuration
Node.js file stats	https://nodejs.dev/en/learn/manipulating-files/nodejs-file-stats
Node.js File Paths	https://nodejs.dev/en/learn/manipulating-files/nodejs-file-paths
Reading files with Node.js	https://nodejs.dev/en/learn/manipulating-files/reading-files-with-nodejs
Writing files with Node.js	https://nodejs.dev/en/learn/manipulating-files/writing-files-with-nodejs
Working with file descriptors in Node.js	https://nodejs.dev/en/learn/manipulating-files/working-with-file-descriptors-in-nodejs
Working with folders in Node.js	https://nodejs.dev/en/learn/manipulating-files/working-with-folders-in-nodejs
How to work with Different Filesystems	https://nodejs.dev/en/learn/manipulating-files/working-with-different-filesystems
JavaScript Asynchronous Programming and Callbacks	https://nodejs.dev/en/learn/asynchronous-work/javascript-asynchronous-programming-and-callbacks
Asynchronous flow control	https://nodejs.dev/en/learn/asynchronous-work/asynchronous-flow-control
Discover Promises in Node.js	https://nodejs.dev/en/learn/asynchronous-work/discover-promises-in-nodejs
Discover JavaScript Timers	https://nodejs.dev/en/learn/asynchronous-work/discover-javascript-timers
Overview of Blocking vs Non-Blocking	https://nodejs.dev/en/learn/asynchronous-work/overview-of-blocking-vs-non-blocking
The Node.js Event Loop	https://nodejs.dev/en/learn/asynchronous-work/event-loop-timers-and-nexttick
The Node.js Event Emitter	https://nodejs.dev/en/learn/asynchronous-work/the-nodejs-event-emitter
Understanding process.nextTick()	https://nodejs.dev/en/learn/asynchronous-work/understanding-processnexttick
Understanding setImmediate()	https://nodejs.dev/en/learn/asynchronous-work/understanding-setimmediate
Don't Block the Event Loop	https://nodejs.dev/en/learn/asynchronous-work/dont-block-the-event-loop
Introduction to TypeScript	https://nodejs.dev/en/learn/typescript/introduction
Running TypeScript Natively	https://nodejs.dev/en/learn/typescript/run-natively
Running TypeScript code using transpilation	https://nodejs.dev/en/learn/typescript/transpile
Running TypeScript with a runner	https://nodejs.dev/en/learn/typescript/run
Publishing a TypeScript package	https://nodejs.dev/en/learn/typescript/publishing-a-ts-package
How to use streams	https://nodejs.dev/en/learn/modules/how-to-use-streams
Backpressuring in Streams	https://nodejs.dev/en/learn/modules/backpressuring-in-streams
Publishing a package	https://nodejs.dev/en/learn/modules/publishing-a-package
How to publish a Node-API package	https://nodejs.dev/en/learn/modules/publishing-node-api-modules
ABI Stability	https://nodejs.dev/en/learn/modules/abi-stability
User Journey	https://nodejs.dev/en/learn/diagnostics/user-journey
Memory	https://nodejs.dev/en/learn/diagnostics/memory
Live Debugging	https://nodejs.dev/en/learn/diagnostics/live-debugging
Poor Performance	https://nodejs.dev/en/learn/diagnostics/poor-performance
Flame Graphs	https://nodejs.dev/en/learn/diagnostics/flame-graphs
Discovering Node.js's test runner	https://nodejs.dev/en/learn/test-runner/introduction
Using Node.js's test runner	https://nodejs.dev/en/learn/test-runner/using-test-runner
Mocking in tests	https://nodejs.dev/en/learn/test-runner/mocking
Collecting code coverage in Node.js	https://nodejs.dev/en/learn/test-runner/collecting-code-coverage
Introduction to Node.js	https://nodejs.dev/learn#introduction-to-nodejs
An Example Node.js Application	https://nodejs.dev/learn#an-example-nodejs-application
http module	https://nodejs.org/api/http.html
standard library	https://nodejs.org/api/
request event	https://nodejs.org/api/http.html#http_event_request
http.IncomingMessage	https://nodejs.org/api/http.html#http_class_http_incomingmessage
http.ServerResponse	https://nodejs.org/api/http.html#http_class_http_serverresponse
download	https://nodejs.org/en/download
NextHow much JavaScript do you need to know to use Node.js?	https://nodejs.dev/en/learn/getting-started/how-much-javascript-do-you-need-to-know-to-use-nodejs
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P	https://github.com/potch
MB	https://github.com/mylesborins
R	https://github.com/RomainLanz
V	https://github.com/virkt25
T	https://github.com/Trott
O	https://github.com/onel0p3z
O	https://github.com/ollelauribostrom
M	https://github.com/MarkPieszak
Edit this page	https://github.com/nodejs/nodejs.org/blob/main/apps/site/pages/en/learn/getting-started/introduction-to-nodejs.md
An Example Node.js Application	https://nodejs.dev/learn#an-example-nodejs-application
Navigate to Home	https://nodejs.dev/en
Introduction to Node.js	https://nodejs.dev/en/learn/getting-started/introduction-to-nodejs
v24.13.0Latest LTS	https://nodejs.dev/blog/release/v24.13.0
v25.4.0Latest Release	https://nodejs.dev/blog/release/v25.4.0
Trademark Policy	https://trademark-policy.openjsf.org/
Privacy Policy	https://privacy-policy.openjsf.org/
Code of Conduct	https://github.com/openjs-foundation/cross-project-council/blob/main/CODE_OF_CONDUCT.md
Security Policy	https://github.com/nodejs/node/security/policy
© OpenJS Foundation	https://openjsf.org/
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