Node.js Docs

About Node.js Docs

App Contents:

Node.js Documentation v14.0.0 Current
Node.js Documentation v13.13.0 Current
Node.js Documentation v12.16.2 LTS
Node.js Documentation v10.20.1 LTS
Node.js Tutorials



Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient. Node.js' package ecosystem, npm, is the largest ecosystem of open source libraries in the world.



Table of content

Getting Started Guide
Debugging - Getting Started
Easy profiling for Node.js Applications
Diagnostics - Flame Graphs
Dockerizing a Node.js web app
Migrating to safe Buffer constructors
Overview of Blocking vs Non-Blocking
The Node.js Event Loop, Timers, and
Don't Block the Event Loop (or the Worker Pool)
Timers in Node.js
Anatomy of an HTTP Transaction
Working with Different Filesystems
Backpressuring in Streams
Domain Module Postmortem
How to publish N-API package
ABI Stability
About these Docs
Usage & Example
Assertion Testing
Async Hooks
Buffer
C++ Addons
C/C++ Addons with N-API
Child Processes
Cluster
Command Line Options
Console
Crypto
Debugger
Deprecated APIs
DNS
Domain
ECMAScript Modules
Errors
Events
File System
Globals
HTTP
HTTP/2
HTTPS
Inspector
Internationalization
Modules
Net
OS
Path
Performance Hooks
Policies
Process
Punycode
Query Strings
Readline
REPL
Report
Stream
String Decoder
Timers
TLS/SSL
Trace Events
TTY
UDP/Datagram
URL
Utilities
V8
VM
WASI
Worker Threads
Zlib





Tutorials TOC

Introduction to Node.js
A brief history of Node.js
How to install Node.js
How much JavaScript do you need to know to use Node.js?
Differences between Node.js and the Browser
The V8 JavaScript Engine
Run Node.js scripts from the command line
How to exit from a Node.js program
How to read environment variables from Node.js
Where to host a Node.js app
How to use the Node.js REPL
Node.js, accept arguments from the command line
Output to the command line using Node.js
Accept input from the command line in Node.js
Expose functionality from a Node.js file using exports
An introduction to the npm package manager
Where does npm install the packages?
How to use or execute a package installed using npm
The package.json guide
The package-lock.json file
Find the installed version of an npm package
Install an older version of an npm package
Update all the Node.js dependencies to their latest version
Semantic Versioning using npm
Uninstalling npm packages
npm global or local packages
npm dependencies and devDependencies
The npx Node.js Package Runner
The Node.js Event Loop
Understanding process.nextTick()
Understanding setImmediate()
Discover JavaScript Timers
JavaScript Asynchronous Programming and Callbacks
Understanding JavaScript Promises
Modern Asynchronous JavaScript with Async and Await
The Node.js Event emitter
Build an HTTP Server
Making HTTP requests with Node.js
Make an HTTP POST request using Node.js
Get HTTP request body data using Node.js
Working with file descriptors in Node.js
Node.js file stats
Node.js File Paths
Reading files with Node.js
Writing files with Node.js
Working with folders in Node.js
The Node.js fs module
The Node.js path module
The Node.js os module
The Node.js events module
The Node.js http module
Node.js Buffers
Node.js Streams
Node.js, the difference between development and production
Error handling in Node.js
How to log an object in Node.js