Is Express JS frontend or backend?

Since Express is just an extension on top of the native built-in HTTP server, knowing how to handle a request/response cycle will make jumping into basic Express applications very simple .

Express is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web and mobile applications . It facilitates the rapid development of Node based Web applications.

Express. js is a free and open-source web application framework for Node. js. It is used for designing and building web applications quickly and easily .

Express is currently, and for many years, the de-facto library in the Node. js ecosystem . When you are looking for any tutorial to learn Node, Express is presented and taught to people. In the latest State of JS survey, Express was TOP 1 for all categories.