Advantages of using Middleware
- Middleware can process request objects multiple times before the server works for that request.
- Middleware can be used to add logging and authentication functionality.
- Middleware improves client-side rendering performance.
- Middleware is used for setting some specific HTTP headers.
- Middleware helps with Optimization and better performance.
Middleware in Express
Express serves as a routing and Middleware framework for handling the different routing of the webpage and it works between the request and response cycle.
Middleware gets executed after the server receives the request and before the controller actions send the response. Middleware has and access to the request object, responses object, and next, it can process the request before the server sends a response. An Express-based application is a series of middleware function calls. In this article, we will discuss what is middleware in express.js.