Full-Stack React Projects - Second Edition

Express

Express is a simple server-side web framework for building web applications with Node. It complements Node with a layer of rudimentary web application features that provide HTTP utility methods and middleware functionality.

In general terms, middleware functionality in any application enables different components to be added on to work together. In the specific context of server-side web application frameworks, middleware functions have access to the HTTP request-response pipeline, which means access to request-response objects and also the next middleware functions in the web application's request-response cycle.

In any web application developed with Node, Express can be used as an API routing and middleware web framework. It is ...