Node.js and ReactJS are both popular technologies used in web development, but they serve different purposes and have different features. Here's a brief comparison of Node.js vs ReactJS:

Node.js:

• Node.js is a server-side JavaScript runtime environment.
• It allows you to run JavaScript code on the server side.
• Node.js provides a runtime environment for building scalable, high-performance web applications.
• Node.js is used for building server-side applications such as web servers, APIs, and real-time applications.
• Node.js is built on top of the V8 JavaScript engine and uses an event-driven, non-blocking I/O model.

ReactJS:

• ReactJS is a JavaScript library for building user interfaces.
• It allows you to build reusable UI components that can be used across your application.
• ReactJS provides a declarative approach to building UIs, making it easier to reason about and test your code.
• ReactJS is used for building client-side web applications, such as single-page applications (SPAs) and mobile applications.
• ReactJS is built on top of JavaScript and provides a Virtual DOM, which allows it to efficiently render updates to the UI.

1. Examples of Node.js projects:

• LinkedIn: LinkedIn's mobile and web applications are built using Node.js for its scalable and efficient server-side capabilities.
• Uber: Uber's backend systems are powered by Node.js for its fast and event-driven processing capabilities.
• Netflix: Netflix uses Node.js for its server-side streaming and recommendation engines.

2. Examples of ReactJS projects:

• Facebook: Facebook's website and mobile applications are built using ReactJS for its ability to create reusable UI components and its virtual DOM.
• Airbnb: Airbnb's website and mobile applications use ReactJS for its declarative and efficient UI rendering capabilities.
• Dropbox: Dropbox's website and applications use ReactJS for its ability to handle complex UI interactions and real-time data updates.

In summary, Node.js is a server-side JavaScript runtime environment, while ReactJS is a JavaScript library for building user interfaces. They are both powerful tools for building modern web applications, but they serve different purposes and are used in different parts of the web development stack.

Road map to learn React.js:

1. Learn the basics of HTML, CSS, and JavaScript: Before diving into React, it's important to have a solid foundation in these technologies.

2. Learn the fundamentals of React: This includes understanding JSX syntax, components, state and props, and the component lifecycle.

3. Get familiar with the React ecosystem: This includes tools like Babel, Webpack, and Redux.

4. Learn React Router: This is a library for routing in React applications.

5. Practice creating real-world applications: Build simple applications to get started and gradually work your way up to more complex ones.

6. Learn advanced concepts: These include topics like server-side rendering, performance optimization, and testing.

7. Stay up-to-date with the latest trends and updates: React is constantly evolving, so it's important to stay up-to-date with the latest best practices and updates.

Here are some resources to help you get started:

1. The official React documentation: https://reactjs.org/docs/getting-started.html

2. React tutorial on Codecademy: https://www.codecademy.com/learn/react-101

3. React tutorial on FreeCodeCamp: https://www.freecodecamp.org/news/react-beginner-handbook/

4. React tutorial on Udemy: https://www.udemy.com/topic/react/

5. React blog: https://reactjs.org/blog/

Road Map for Node.js

1. Learn the basics of JavaScript: Before diving into Node.js, it's important to have a solid foundation in JavaScript.

2. Learn the fundamentals of Node.js: This includes understanding the Node.js runtime environment, event loop, and modules.

3. Get familiar with Node.js tools and libraries: This includes tools like npm, Express.js, and Socket.io.

4. Learn how to interact with databases: This includes using database libraries like MongoDB and Mongoose.

5. Learn how to create web applications with Node.js: This includes building RESTful APIs and using frameworks like Express.js.

6. Learn how to use Node.js for real-time applications: This includes using Socket.io for real-time communication.

7. Learn how to deploy Node.js applications: This includes using cloud platforms like AWS and Heroku.

8. Stay up-to-date with the latest trends and updates: Node.js is constantly evolving, so it's important to stay up-to-date with the latest best practices and updates.

Here are some resources to help you get started:

1. The official Node.js documentation: https://nodejs.org/en/docs/

2. Node.js tutorial on W3Schools: https://www.w3schools.com/nodejs/

3. Node.js tutorial on FreeCodeCamp: https://www.freecodecamp.org/learn/back-end-development-with-nodejs/

4. Node.js tutorial on Udemy: https://www.udemy.com/topic/node-js/

5. Node.js blog: https://nodejs.org/en/blog/

Additional Sources:

"Node.js vs. React.js: Which One to Choose for Your Next Web App?" by Danila Vershinin on the Hostinger blog provides a detailed comparison of Node.js and ReactJS, highlighting their key differences and use cases. It also includes a section on when to use them together and provides helpful code snippets for implementing each technology.