DOM Enlightenment Book

HTML

<script src="https://getfirebug.com/firebug-lite-debug.js"></script>
<div>This is not a good example <a>hi</a>ok now <i>hi</i>a</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 pElement = document.querySelector('div');

console.log(pElement.childNodes.length); //logs 3

console.log(pElement.firstChild.data); // is text node or 'Hi, '
console.log(pElement.firstChild.nextSibling); // is Element node or <strong>
console.log(pElement.firstChild.nextSibling.length);
console.log(pElement.lastChild.data); // is text node or ' welcome!'