Node.js Hello World

const http=require('http')

const hostname = '127.0.0.1'
const port = 3000

const server = http.createServer((req,res)=>{
   res.statusCode = 200
   res.setHeader('Content-Type','text/plain')
   res.end('HelloWorld\n')
})

server.listen(port,hostname,()=>{
   console.log(`Server running at http://${hostname}:${port}/`)
})