What is ExpressJs?

ExpressJs is a web application framework for Node.js that is designed for building web applications and APIs. It is known for its simplicity and minimalism, making it a popular choice among developers looking to create efficient and flexible backend systems.

With ExpressJs, developers can easily handle routes, manage requests and responses, and set up middleware to enhance their applications. It provides a robust set of features out of the box, such as routing, templating, and error handling, making it a powerful tool for building server-side applications.

One of the key benefits of using ExpressJs is its compatibility with Node.js, allowing developers to take advantage of the asynchronous, event-driven nature of Node.js while simplifying the process of building scalable and performant web applications.

Overall, ExpressJs is a versatile and lightweight framework that is well-suited for building a wide range of web applications, from small projects to large-scale enterprise applications.