send file as response express js route code example

Example 1: sendfile express syntax

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

Example 2: 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) {
  // ...
})