why i am getting undifine when i console req.query?

Question

this is api.js file

function apiKey(res, req, next) {
  const api_key = '12345678';
  console.log(req.query);
  next();
}

module.exports = apiKey;

Answer 1

You named it wrong way. should be like this

function apiKey(req, res, next) {
 const api_key = '12345678';
 console.log(req.query);
 next();
}

module.exports = apiKey;