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The req.isauthenticated() function of api.js always returns false regardless whether the user is logged in or not. this particular function doesn't seem to work.i don't know what to do. i am ...

Second, when there are no braces, arrow functions have an implicit return, i.e., they automatically return the result of the last expression! This is the only situation in which a JavaScript function ...

In functional programming, there are two varieties of functions: first-order functions and pure functions. First-order functions. A first-order function takes standard data types (string, number, ...