Node express sample

app.js

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

app.get('/', function (req, res) {
    res.send('Hello World')
})

app.get('/user/:id', function (req, res) {
    res.send('GET ' + req.params.id);
});

app.post('/user', function (req, res) {
    res.json({
        success: true
    });
});

app.put('/user', function (req, res) {
    res.status(400).json(
        {
            message: 'Bad Request'
        }
    )
})

app.delete('/user', function (req, res) {
    res.send('DELETE');
})

app.listen(3000, function () {
    console.log('Server Started');
})