express response code example

Example 1: express redirect

res.redirect('/foo/bar')
res.redirect('http://example.com')
res.redirect(301, 'http://example.com')
res.redirect('../login')

Example 2: express set response code

res.status(400);
res.send('None shall pass');

Example 3: node js http request express

npm install [email protected]

Example 4: express render

// send the rendered view to the client
res.render('index')

// if a callback is specified, the rendered HTML string has to be sent explicitly
res.render('index', function (err, html) {
  res.send(html)
})

// pass a local variable to the view
res.render('user', { name: 'Tobi' }, function (err, html) {
  // ...
})

Example 5: error sending empty object express

return res.status(401).send({ error : err.message });