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