Res render is not a function

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.

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

“calling one function from another in js” Code Answer

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.