what is express api code example

Example 1: sendfile express syntax

app.get('/', function(req, res){
  res.sendFile('index.html');
});

Example 2: http header express

app.get('/', (req, res) => {
  req.header('User-Agent')
})
// Use the Request.header() method to access
//one individual request header’s value

Example 3: express api

app.render('email', function (err, html) {
  // ...
})

app.render('email', { name: 'Tobi' }, function (err, html) {
  // ...
})