Basic syntax in express js

Express.js tutorial provides basic and advanced concepts of Express.js. Our Express.js tutorial is designed for beginners and professionals both. Express.js is a web framework for Node.js. It is a fast, robust and asynchronous in nature.

index.js

var express = require('express');
var app = express();

app.get('/', function(req, res){
res.send("Hello world!");
});

app.listen(3000);