DOM Enlightenment Book

by peroli

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<div></div>





































<h4 style="border-top:1px solid #ADADAD;padding-top:20px;margin-top:20px;"><strong>&larr; Code Example from <a href="http://www.domenlightenment.com/" target="_blank">DOM Enlightenment Book</a> by <a href="http://www.codylindley.com" target="_blank">Cody Lindley</a></strong></h4>

<p style="background-color:#fff">JavaScript code is executed on page load. Click the "Run" button in the top bar to re-run the JavaScript code. All <code>console.log()'s</code> are logged to the <a href="http://getfirebug.com/firebuglite" target="_blank">Firebug Lite</a> console below &darr;.</p>

JavaScript

var pElementNode = document.createElement('p');
var textNodeHi = document.createTextNode('Hi');
var textNodeCody = document.createTextNode('Cody');

pElementNode.appendChild(textNodeHi);
pElementNode.appendChild(textNodeCody);

document.querySelector('div').appendChild(pElementNode);

console.log(document.querySelector('p').childNodes.length); //logs 2

document.querySelector('div').normalize(); //combine our sibling text nodes

console.log(document.querySelector('p').childNodes.length); //logs 1