Node.js
Analysé par Alexis Morain · Mis à jour le April 11, 2026
Node.js enables developers to create web apps and servers using server-side JavaScript, unifying front-end and back-end development.
A must-have for JavaScript developers looking to unify their projects.
- Open-source and free.
- Large community and support.
- Not ideal for CPU-intensive applications.
Node.js is an open-source, cross-platform JavaScript runtime environment that allows developers to create servers, web applications, command-line tools, and scripts. Its ability to execute JavaScript server-side makes it a popular choice for modern applications. Node.js is ideal for those looking to unify front-end and back-end development with a single language.
Pros & Cons
- Open-source and free.
- Large community and support.
- Fast execution thanks to V8.
- Not ideal for CPU-intensive applications.
- Can be complex for beginners.
Key features of Node.js
JavaScript Execution
Allows server-side JavaScript execution.
Non-blocking Events
Handles I/O asynchronously.
Built-in Modules
Provides many ready-to-use modules.
Cross-platform Support
Works on Windows, macOS, and Linux.
Who is Node.js for?
Best for
- JavaScript developers
- Tech startups
- Web development teams
Not recommended for
- Companies needing CPU-intensive processing.
Frequently asked questions about Node.js
What is Node.js?▼
Is Node.js free?▼
On which platforms does Node.js run?▼
Is Node.js suitable for CPU-heavy applications?▼
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