<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>nav元素</title>
</head>
<body>
<h1>Web前端开发</h1>
<nav>
<ul>
<li><a href="http://www.w3school.com.cn/">w3school首页</a></li>
<li><a href="http://www.w3school.com.cn/html5/index.asp">HTML5</a></li>
</ul>
</nav>
<h2>2017.3.6</h2>
</body>
</html>
<html>
<head>
<meta charset="utf-8">
<title>nav元素</title>
</head>
<body>
<h1>Web前端开发</h1>
<nav>
<ul>
<li><a href="http://www.w3school.com.cn/">w3school首页</a></li>
<li><a href="http://www.w3school.com.cn/html5/index.asp">HTML5</a></li>
</ul>
</nav>
<h2>2017.3.6</h2>
</body>
</html>