const http = require('http'); const hostname = '127.0.0.11'; const port = 7798; const server = http.createServer((req, res) => {
      res.statusCode = 200;     res.setHeader('Content-Type','text/plain');     res.end('Hello, NodeJS'); }); server.listen(port, hostname, () => {
      console.log(`Server running at http://${hostname}:${port}/`); });