The Node Core Modules
A list of the core modules provided by Node.js
Node.js has a set of core modules that are part of the platform and come with the Node.js installation.
We have a lot of them:
| Name | Description |
|---|---|
| assert | provides a set of assertion functions useful for testing |
| buffer | provides the ability to handle buffers containing binary data |
| child_process | provides the ability to spawn child processes |
| console | provides a simple debugging console |
| cluster | allows to split a Node.js process into multiple workers to take advantage of multi-core systems |
| crypto | provides cryptographic functionality |
| dgram | provides an implementation of UDP Datagram sockets |
| dns | provides name resolution and DNS lookups |
| events | provides an API for managing events |
| fs | provides an API for interacting with the file system |
| http | provides an HTTP client/server implementation |
| http2 | provides an HTTP/2 client/server implementation |
| https | provides an HTTPS client/server implementation |
| net | provides an asynchronous network API |
| os | provides operating system-related utility methods and properties |
| path | provides utilities for working with file and directory paths |
| perf_hooks | to enable the collection of performance metrics |
| process | provides information about, and control over, the current Node.js process |
| querystring | provides utilities for parsing and formatting URL query strings |
| readline | provides an interface for reading data from a Readable stream |
| repl | provides a Read-Eval-Print-Loop (REPL) implementation that is available both as a standalone program or includible in other applications |
| stream | an abstract interface for working with streaming data |
| string_decoder | provides an API for decoding Buffer objects into strings |
| timers | provide functions to schedule functions to be called at some future period of time |
| tls | provides an implementation of the Transport Layer Security (TLS) and Secure Socket Layer (SSL) protocols |
| tty | provides functionality used to perform I/O operations in a text terminal |
| url | provides utilities for URL resolution and parsing |
| util | supports the needs of Node.js internal APIs, useful for application and module developers as well |
| v8 | exposes APIs that are specific to the version of V8 built into the Node.js binary |
| vm | enables compiling and running code within V8 Virtual Machine contexts |
| wasi | provides an implementation of the WebAssembly System Interface specification |
| worker | enables the use of threads that execute JavaScript in parallel |
| zlib | provides compression functionality |
Check out my detailed tutorials on
- The Node.js
eventsmodule - The Node.js
fsmodule - The Node.js
httpmodule - The Node.js
osmodule - The Node.js
pathmodule
→ Download my free Node.js Handbook!
THE VALLEY OF CODE
THE WEB DEVELOPER's MANUAL
You might be interested in those things I do:
- Learn to code in THE VALLEY OF CODE, your your web development manual
- Find a ton of Web Development projects to learn modern tech stacks in practice in THE VALLEY OF CODE PRO
- I wrote 16 books for beginner software developers, DOWNLOAD THEM NOW
- Every year I organize a hands-on cohort course coding BOOTCAMP to teach you how to build a complex, modern Web Application in practice (next edition February-March-April-May 2024)
- Learn how to start a solopreneur business on the Internet with SOLO LAB (next edition in 2024)
- Find me on X