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<h4 style="border-top:1px solid #ADADAD;padding-top:20px;margin-top:20px;"><strong>← 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>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 ↓.</p>
JavaScript
// is <body> inside <html lang="en"> ?
var inside = document.querySelector('html').contains(document.querySelector('body'));
console.log(inside); //logs true
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