Build REST API with Node Express MongoDB - Param Middleware in Express #18

#middleware #expressjs #param #nodejs
In Express.js, middleware functions are used to process incoming requests and modify or add information to the request and response objects. These middleware functions can be applied globally to all routes or specific to certain routes or groups of routes. One type of middleware in Express.js is param middleware.

Param middleware is a specific type of middleware that is triggered when a certain parameter is present in a route path. It allows you to perform additional processing or validation on that parameter before passing control to the route handler or the next middleware in the chain.

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