how to create a new node code example

Example 1: create node project

#1. server.js
var express = require('express');
var app = express();

app.get('/', function (req, res) {
  res.status(200).send('Hello World!');
});

var port = process.env.PORT || 3000;

var server = app.listen(port, function() {
  console.log('Express server listening on port ' + port);
});

open cmd run server.js
"node server.js"
log:Express server listening on port 3000

& then

open link "http://localhost:3000/" in your browser and show result.

Example 2: how to use a new node c++

struct node(){
  int key; 
  node *next;
  node(x){  
    key = x;
    next = NULL;     
}}
// after you take a input of a linked list .
// creating a new node.
node *temp = new node(key);  // tem pointer pointing towards the new node. 
temp -> next = head; // inserting the mew node in the start .