What does use () do in Express?

var response = yield doCall(urlToCall); // “yield” garuantees the callback finished. console. log(response) // The response will not be undefined anymore. By doing this, we wait until the callback function finishes, then get the value from it.

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.

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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