Node.js Installation & Setup
1. Introduction
Node.js is a JavaScript runtime built on Chrome's V8 JavaScript engine. It allows developers to build scalable network applications. This lesson will guide you through the installation and setup process of Node.js.
2. System Requirements
Before installation, ensure your system meets the following requirements:
- Operating System: Windows, macOS, or Linux
- Architecture: x64 (64-bit) recommended
- Internet connection for downloading Node.js
3. Installation
Follow these steps to install Node.js:
- Go to the official Node.js website.
- Download the recommended version for your operating system.
- Run the installer and follow the prompts.
- Complete the installation process.
4. Verification
To verify the installation, open your terminal or command prompt and type:
node -v
This command should return the installed version of Node.js. You can also check npm (Node Package Manager) with:
npm -v
5. Best Practices
Here are some best practices to follow when using Node.js:
- Always use the latest LTS version for better stability and security.
- Utilize npm for package management.
- Structure your project files logically.
- Handle errors properly to avoid application crashes.
6. FAQ
What is Node.js used for?
Node.js is primarily used for developing server-side applications and APIs.
Can I run Node.js on Windows?
Yes, Node.js can run on Windows, macOS, and various Linux distributions.
What package manager comes with Node.js?
Node.js comes with npm (Node Package Manager) for managing packages and dependencies.