Node js
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JavaScript Runtime for Server Development

Node js is a cross-platform JavaScript runtime that executes application code outside the browser for servers, web services, command-line tools, automation, and backend development. It uses the V8 JavaScript engine and provides built-in modules for networking, files, streams, processes, cryptography, testing, diagnostics, and other system-level tasks. Its asynchronous programming model is well suited to applications that manage many concurrent I/O operations, such as APIs, gateways, real-time services, and development tooling. The runtime also works with the npm ecosystem, allowing developers to add reusable packages and define project dependencies through standard package metadata while keeping application code in the JavaScript ecosystem.

Node js (LTS) is intended for production-oriented users who prefer a release line receiving longer maintenance than the rapidly changing Current branch. Projects can combine CommonJS or ECMAScript modules, use built-in environment-variable support, run tests with the native test runner, and manage dependencies through npm. Development teams that track source changes with Git can keep runtime configuration, package metadata, tests, and application code together in version-controlled repositories. Long-term-support releases still receive security fixes, dependency updates, and compatible improvements, so administrators should test updates before deployment. Applications that use native add-ons, tightly pinned dependencies, or deprecated APIs may require additional compatibility checks when moving between runtime releases.

Benefits of Using Node js (LTS)

Node js (LTS) gives development teams a stable JavaScript runtime line for building and maintaining server-side applications while continuing to receive supported updates. Using JavaScript across browser-facing and backend code can reduce language switching for teams that already work extensively with the web platform, while the large npm ecosystem provides reusable libraries for common development tasks. Non-blocking I/O helps network applications handle concurrent connections efficiently when workloads spend substantial time waiting on files, databases, sockets, or external services. Built-in modules cover many core capabilities without requiring an additional framework, and the native test runner, diagnostics, permissions, streams, workers, and process APIs support increasingly complete development workflows. Long-term-support status also gives organizations a clearer maintenance horizon than the Current release line, which is useful for production planning and dependency testing. Cross-platform availability helps developers use similar runtime behavior across Windows, macOS, and Linux environments, while command-line tooling integrates naturally with automated builds, continuous integration, containers, and deployment scripts.

Node js (LTS) Software Information

  • Developer: OpenJS Foundation
  • Current Version: 24.20.0
  • License: Open Source
  • Language: English
  • Downloads: 10M+
  • Platform: Windows

System Requirements

  • Processor: 2-core CPU
  • RAM: 2 GB RAM
  • Storage: 1.5 GB
  • Graphics / GPU: Not required

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Node js (LTS) Features

Asynchronous I/O Model

Node js uses an event-driven architecture that allows applications to continue handling other work while supported file, network, and system operations are waiting to complete. This model is particularly useful for APIs, gateways, messaging services, and other workloads that spend significant time waiting on external resources rather than continuously consuming CPU cycles.

Built-in HTTP Support

Core HTTP and HTTPS modules let developers create network servers and clients without requiring a separate web framework. Applications can inspect requests, send responses, manage headers, work with streams, and control connections directly, providing a low-level foundation that frameworks and custom services can extend for more specialized web application requirements.

Package Ecosystem

The bundled npm package manager connects projects with a large ecosystem of reusable JavaScript packages and development tools. Package metadata can define dependencies, scripts, engine requirements, and project information, while lockfiles help record resolved dependency versions so development, testing, and deployment environments can reproduce installations more consistently.

Native Test Runner

The built-in test runner provides test execution without requiring a separate testing framework for basic workflows. Developers can organize tests, use assertions and mocks, filter test cases, generate reports, and integrate automated checks into development pipelines, reducing external setup for projects that can use the capabilities provided by the runtime itself.

Module System Support

Node js supports both ECMAScript modules and the established CommonJS module system, giving applications flexibility when organizing code and consuming dependencies. Package configuration and file extensions help determine module interpretation, while modern module features support imports, exports, dynamic loading, and interoperability patterns needed by existing and newer JavaScript projects.

Worker Threads

Worker threads allow JavaScript execution to run in parallel threads within a process, which can help with CPU-intensive work that is poorly suited to the main event loop. Workers can exchange messages and use supported shared-memory mechanisms, giving developers another concurrency option alongside asynchronous I/O and separate child processes.

Streams and Buffers

Stream APIs process data incrementally instead of requiring an entire payload to be loaded into memory before work begins. Combined with Buffer support for binary data, streams are useful for files, network transfers, compression, transformations, and pipelines where applications need controlled data flow and backpressure handling.

Diagnostic Tooling

Built-in diagnostic capabilities include process information, performance hooks, tracing, debugging support, reports, and inspector integration. These tools help developers examine runtime behavior, investigate failures, profile application activity, and connect supported debugging clients, providing practical visibility when troubleshooting development environments or production services.

Node js (LTS) Old Versions

Version 24.19.0   Updated: 2026-08-03   Download

Version 24.18.1   Updated: 2026-07-28   Download

Version 24.18.0   Updated: 2026-06-23   Download

Version 24.17.0   Updated: 2026-06-17   Download

Version 24.16.0   Updated: 2026-05-21   Download

Version 24.15.0   Updated: 2026-04-15   Download

Node js (LTS) FAQs

What is Node js used for?

It is used to run JavaScript outside web browsers for servers, APIs, web applications, command-line utilities, automation scripts, developer tooling, network services, and other backend or system-oriented applications.

What does LTS mean?

LTS means Long Term Support. An LTS release line receives an extended maintenance period and is generally the preferred choice for production applications that value a more predictable support lifecycle.

Does Node js include npm?

Yes. Standard Node.js distributions include npm, which manages JavaScript packages, project dependencies, package scripts, and installation metadata used by many development workflows.

Can it run TypeScript directly?

Modern Node.js releases include built-in support for stripping erasable TypeScript syntax in supported scenarios, but the runtime does not replace the complete TypeScript compiler and does not perform full type checking.

Is the runtime open source?

Yes. Node.js is open-source software distributed under the MIT license, with development coordinated through the Node.js project under the OpenJS Foundation.