How to Get the Node Server's Port Number?

Display your Node Server's port number dynamically in your Node application

Here are the codes to get the Node server port:

                            var http = require('http');
                            var serverFunction = function (req, res) {
                    
                                if (req.url == '/') {
                                    console.log('get method');
                                    res.writeHead(200, { 'content-type': 'text/plain' });
                                    res.end('Hello World');
                                }
                    
                            }
                            var server = http.createServer(serverFunction);
                            server.listen(3002, function () {
                                console.log('server is listening on port:', server.address().port);
                            });
                          

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