DOM Enlightenment Book

HTML

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




































<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

//create a <div> and document fragment
var divElm = document.createElement('div');
var docFrag = document.createDocumentFragment();

//append div to document fragment
docFrag.appendChild(divElm);

//create a DOM structure from a string
docFrag.querySelector('div').innerHTML = '<ul><li>foo</li></ul>';

//the string becomes a DOM structure I can call methods on like querySelectorAll()
//Just don't forget the DOM structure is wrapped in a <div>
console.log(docFrag.querySelectorAll('li').length); //logs 2