React JS Developer Roadmap: What You Need to Learn in 2025

Basic Web Development Skills

Before diving into React, it’s important to have a strong foundation in web development basics.

You should have a good understanding of:

• HTML: The structure of web pages (tags, attributes, forms).
• CSS: Styling web pages (flexbox, grid, responsive design).
• Box Model: Understanding how padding, margin, and borders work.



How to Download Node.js and NPM

Node.js and NPM are available for download from the official Node.js website. Here are the steps to download the latest version:

• Visit the Node.js Official Website: Go to the official Node.js download page at https://nodejs.org. To better understand where these tools fit into your career, explore the Scope of Web Development and see how technologies like Node.js are used in the industry.

Select the Right Version:

• You’ll find two primary versions available:
• LTS (Long Term Support): This version is recommended for most users, as it is stable and receives extended support.
• Current: This version includes the latest features but may be less stable for production environments.
• Choose the version that best fits your needs. Most users should download the LTS version.
• Choose Your Operating System: On the download page, you can select your platform (Windows, macOS, or Linux). The website will provide the appropriate installation package for your operating system.



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Installing Node.js and NPM on Windows

To install Node.js and NPM on Windows, follow these steps:

• Download the Installer: From the Node.js website, download the Windows Installer (.msi) for your system (either 32-bit or 64-bit depending on your architecture).
• Run the Installer: Once the installer is downloaded, double-click the .msi file to run it.

Follow the Installation Wizard:

• Accept the license agreement.
• Choose the installation directory.
• Ensure the option to Install NPM (Node Package Manager) is checked.
• You can also opt to add Node.js to your system’s PATH environment variable, which is recommended so you can run Node.js from anywhere in the command line. While working with different programming environments, understanding concepts like Control Statements in Java can help reinforce logical thinking and flow control in your code.

Complete the Installation: Click “Install” to begin the installation process. Once completed, click “Finish” to exit the installer.




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Installing Node.js and NPM on macOS

To install Node.js and NPM on macOS, follow these steps:

• 1.Download the macOS Installer: Go to the Node.js website and download the macOS version of Node.js.
• 2.Run the Installer: Once the .pkg installer file is downloaded, double-click it to run the installer.
• 3.Follow the Installation Instructions:
• The installation process is straightforward. Just follow the on-screen instructions and accept the terms.
• The installer will automatically place Node.js and NPM in the correct locations.
• 4.Finish the Installation: Once the installation is complete, you can confirm by opening the Terminal and checking the installed versions.

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To install Node.js and NPM on macOS, follow these easy steps to get up and running with these essential development tools. First, begin by downloading the macOS installer from the official Node.js website. You’ll find options for different versions of Node.js; make sure to select the macOS version. Once the .pkg installer file is downloaded, navigate to the file and double-click it to start the installation process. The installer will guide you through a simple and straightforward series of steps. All you need to do is follow the on-screen instructions and accept the terms and conditions. The installer will take care of the rest, automatically placing both Node.js and NPM in the appropriate directories on your system. If you’re pursuing a Web Developer Certification installing Node.js and NPM is a foundational step that will support many of the tools and frameworks used in modern web development. After the installation finishes, you can confirm that everything has been installed correctly. To do this, open the Terminal and check the installed versions of Node.js and NPM by typing node -v and npm -v, respectively. This will ensure that both tools are properly installed and ready to use. By following these simple steps, you will have Node.js and NPM installed on your macOS system, providing you with the necessary environment for modern JavaScript development.




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Installing Node.js and NPM on Linux

There are different ways to install Node.js and NPM on Linux, but the easiest method is by using the package manager for your specific Linux distribution.

Ubuntu or Debian-Based Distributions:


Update the Package Index: Open the terminal and run the following command to update the package list:


• sudo apt update

Install Node.js and NPM: To install the latest LTS version of Node.js along with NPM, run the following command. If you’re also working with other languages like Python, understanding errors such as What are Python KeyError Exceptions can be helpful when troubleshooting in your development environment.

• sudo apt install nodejs npm

Verify the Installation: After installation is complete, you can verify the installation by checking the versions:

• node -v
• npm -v
Fedora-Based Distributions:

Update the Package Index:

• sudo dnf check-update

Install Node.js and NPM:

• sudo dnf install nodejs npm

Verify the Installation: Use the node -v and npm -v commands to confirm the installation.



Verifying Node.js and NPM Installation

Once Node.js and NPM are installed, it’s important to verify the installation and ensure everything is working as expected. Here’s how you can check the installation:

Open a Command Line/Terminal:

On Windows, open Command Prompt or PowerShell.

On macOS/Linux, open the Terminal.

Check Node.js Version: Run the following command to check the version of Node.js:

node -v

This should return the version number of Node.js, e.g., v16.0.0.

Check NPM Version: Similarly, check the version of NPM by running:

npm -v

This should return the version of NPM, e.g., 7.10.0.

If you see the version numbers printed on your terminal, then the installation was successful!

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Updating Node.js and NPM

As with any software, it’s important to keep Node.js and NPM updated to access the latest features, improvements, and security fixes.

Update Node.js:

• On Windows/macOS: You can download the latest version from the official Node.js website and rerun the installer.
• Linux: If you’ve used the package manager to install Node.js, you can update it with:

For Ubuntu/Debian:

sudo apt update sudo apt upgrade nodejs

For Fedora:

sudo dnf update nodejs Update NPM:

You can update NPM independently by running:

npm install -g npm

This will globally update NPM to the latest version.

Conclusion

Congratulations! You’ve successfully downloaded and installed Node.js and NPM on your system, marking an important step in your journey as a JavaScript developer. These two powerful tools form the foundation of modern JavaScript development. Node.js allows you to run JavaScript outside the browser, making it ideal for creating everything from simple scripts to full-scale web servers and backend services. Meanwhile, NPM (Node Package Manager) helps you easily manage libraries, tools, and frameworks that your project might need. Whether you’re planning to build a web application, RESTful API, or a backend service, having Node.js and NPM installed puts you in a great position to get started efficiently. The setup process is streamlined across major operating systems, Windows, macOS, and Linux, so you should now be ready to start creating and maintaining robust, scalable applications with ease. To further enhance your skills, check out our Web Designing Training Keep exploring the Node.js ecosystem and leverage the vast range of packages available via NPM to accelerate your development.