Response

• res.json();

• res.sendFile(path.join(__dirname, 'index'));

  • works best with absolute path

• res.send("Hello");

• res.redirect('/events');

  • doesn't work well with react router

• res.render('index');

• res.sendStatus(200);

Render

To render template files, set view folder and static folder.

Relative to dir you launch node process from

app.set('views', './views'); //this is the default 
app.use(express.static('public'))
app.use('/static', express.static('public'))

Examples

res.render('index', { title: 'Hey', msg: 'Hello!' })

Respond with Error

See http-errors

res.status(400).send({
   message: 'This is an error!'
});

res.status(404).send("Oh uh, something went wrong");

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

res.send(404)