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header, section, footer, aside, nav, main, article, figure {
display: block;
}
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<!DOCTYPE html>
<html>
<head>
<title>Creating an HTML Element</title>
<script>document.createElement("myHero")</script>
<style>
myHero {
display: block;
background-color: #ddd;
padding: 50px;
font-size: 30px;
}
</style>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
<myHero>My First Hero</myHero>
</body>
</html>
ÒÑÌí¼ÓµÄ JavaScript Óï¾ä document.createElement("myHero")£¬½öÊÊÓÃÓÚ IE¡£
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HTML5 Skeleton
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<!DOCTYPE html>
<html lang="en">
<head>
<title>HTML5 Skeleton</title>
<meta charset="utf-8">
<!--[if lt IE 9]>
<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js">
</script>
<![endif]-->
<style>
body {font-family: Verdana, sans-serif; font-size:0.8em;}
header,nav, section,article,footer
{border:1px solid grey; margin:5px; padding:8px;}
nav ul {margin:0; padding:0;}
nav ul li {display:inline; margin:5px;}
</style>
</head>
<body>
<header>
<h1>HTML5 SKeleton</h1>
</header>
<nav>
<ul>
<li><a href="html5_semantic_elements.asp">HTML5 Semantic</a></li>
<li><a href="html5_geolocation.asp">HTML5 Geolocation</a></li>
<li><a href="html5_canvas.asp">HTML5 Graphics</a></li>
</ul>
</nav>
<section>
<h1>Famous Cities</h1>
<article>
<h2>London</h2>
<p>London is the capital city of England. It is the most populous city in the United Kingdom,
with a metropolitan area of over 13 million inhabitants.</p>
</article>
<article>
<h2>Paris</h2>
<p>Paris is the capital and most populous city of France.</p>
</article>
<article>
<h2>Tokyo</h2>
<p>Tokyo is the capital of Japan, the center of the Greater Tokyo Area,
and the most populous metropolitan area in the world.</p>
</article>
</section>
<footer>
<p>© 2014 W3Schools. All rights reserved.</p>
</footer>
</body>
</html>