create node code example

Example 1: js create element

var newDiv = document.createElement("div");
document.body.appendChild(newDiv);

Example 2: create node in javascript

<div id="div1">
  <p id="p1">This is a paragraph.</p>
  <p id="p2">This is another paragraph.</p>
</div>

<script>
  // Create <p> element
  var para = document.createElement("p");
  // Create a text node
  var node = document.createTextNode("This is new.");
  // Append text node to <p> element
  para.appendChild(node);

  // Append <p> to div element
  var element = document.getElementById("div1");
  element.appendChild(para);
</script>

Example 3: node app create

using command line >>> 

npm init

open text editor create a js file. for example like index.js and paste following code.

>>> 
  
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('Hello World');
});

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

----

run using 
node app.js