1let express = require('express');
2let app = express();
3
4app.set('view engine', 'ejs');
5
6app.get('/', (req, res) => {
7  res.render('index', {foo: 'FOO'});
8});
9
10app.listen(4000, () => console.log('Example app listening on port 4000!'));

1 <%- include('./partials/nav.ejs') %>

1<%- include('partials/messages'); %>

1npm install ejs	//install ejs in cmd