So, calling next() from inside a route simply tells Express that it should proceed with the remainder of the route and then move on to the next matching route . Contrast this with calling return next() from within a route.
Read moreWhat is the parameter next used for in Express?
Next simply allows the next route handler in line to handle the request . In this case, if the user id exists, it will likely use res. send to complete the request. If it doesn’t exist, there is likely another handler that will issue an error and complete the request then.
Read moreWhat is the main purpose of the middleware in distributed systems?
Middleware in the context of distributed applications is software that provides services beyond those provided by the operating system to enable the various components of a distributed system to communicate and manage data . Middleware supports and simplifies complex distributed applications.
Read moreWhat are the benefits of middleware?
The advantages of middleware
Read moreHow do you call a function in node JS?
To call a function, you can either pass its name and arguments to User. callFunction() or call the function as if it was a method on the User.
Read moreWhat are the benefits of middleware?
The advantages of middleware
Read moreWhat does use () do in Express?
use() function is used to mount the specified middleware function(s) at the path which is being specified . It is mostly used to set up middleware for your application. Parameters: path: It is the path for which the middleware function is being called.18 Haz 2020
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