What are “res” and “req” parameters in Express functions?

Question!

In the following Express function:

app.get('/user/:id', function(req, res){
    res.send('user ' + req.params.id);
});

What is req and res? What do they stand for, what do they mean and what do they do?



Answers

request and response.

to understand the req, try out console.log(req);



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