Node.js Docs

Node.js Documentation

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