Parse JSON request in Nodejs using Express Framework

Question

How can we parse JSON request data (POST Method) from Express? Here is a sample JSON request:

{
  "username": "nodejs",
  "password": "123"
}

Answer 1

If you have body parser module, you can draw the requested variables in body

with req.body.~~

for example, like this:

funciton(res, req){
    var username = req.body.username; //save the requested variable in username variable
    return res.send(username);
}

the result would be:

nodejs