<!-- 历史遗留标签，表示文档类型 -->
<!DOCTYPE html>
<!-- 根元素 -->
<html lang="zh-CN">
<!-- 非用户可见内容。包括搜索引擎关键字和页面描述，引用CSS和encode等 -->
<head>
<!-- 元数据，可以自定义并利用以提供更好的体验 -->
<meta charset="utf-8">
<meta name="author" content="TpOut">
<meta name="description" content="Mdn learning area">
<meta property="custome" content="custome content">
<!-- 显示在浏览器的标签页 -->
<title>My test page</title>
<!-- 缩略icon的兼容显示方式 -->
<!-- third-generation iPad with high-resolution Retina display: -->
<link rel="apple-touch-icon-precomposed" sizes="144x144"
href="https://developer.cdn.mozilla.net/static/img/favicon144.a6e4162070f4.png">
<!-- iPhone with high-resolution Retina display: -->
<link rel="apple-touch-icon-precomposed" sizes="114x114"
href="https://developer.cdn.mozilla.net/static/img/favicon114.0e9fabd44f85.png">
<!-- first- and second-generation iPad: -->
<link rel="apple-touch-icon-precomposed" sizes="72x72"
href="https://developer.cdn.mozilla.net/static/img/favicon72.8ff9d87c82a0.png">
<!-- non-Retina iPhone, iPod Touch, and Android 2.1+ devices: -->
<link rel="apple-touch-icon-precomposed"
href="https://developer.cdn.mozilla.net/static/img/favicon57.a2490b9a2d76.png">
<!-- 默认icon -->
<link rel="shortcut icon"
href="https://developer.cdn.mozilla.net/static/img/favicon32.e02854fdcf73.png">
<!-- 样式表 -->
<link href="./styles/style.css" rel="stylesheet" type="text/css">
<!-- 字体 -->
<link href="https://fonts.googleapis.com/css?family=Roboto"
rel="stylesheet"
type="text/css">
<!--内嵌-->
<style> p { padding: 0% }</style>
</head>
<!-- 用户可见内容 -->
<body>
<!-- 页眉,可以配合<body>,<section>等 -->
<header>
<!-- 主要导航功能 -->
<nav>
<ul>
<li><span>Home</span></li>
<li><a href="#">Get started</a></li>
<li><a href="#">Photos</a></li>
<li><a href="#">Gear</a></li>
<li><a href="#">Forum</a></li>
</ul>
</nav>
</header>
<!-- 独特内容，一个页面一次，放在<body>中 -->
<main>
<!-- 单独内容，与页面上的其他内容无关 -->
<article class="">
<h2>Welcome</h2>
<p>Welcome</p>
</article>
<!-- 类似<article>,但是一般都是伴随出现 -->
<section>
<!--不要同时添加allow-scripts和allow-same-origin到你的sandbox，不然会被关闭沙盒 -->
<iframe src="https://developer.mozilla.org/en-US/docs/Glossary"
width="100%" height="500" frameborder="1"
allowfullscreen sandbox>
<p> <a
href="https://developer.mozilla.org/en-US/docs/Glossary">
Fallback link for browsers that don't support
iframes
</a> </p>
</iframe>
</section>
<!-- 和主要内容不会有直接联系，但是也是有间接联系 -->
<aside class="">
<h2>Favourite photos</h2>
<a href="./images/favorite-1.jpg"><img
src="./images/favorite-1_th.jpg" alt="Small black bird,
black claws, long black slender beak, links to larger
version of the
image"></a>
<a href="favorite-2.jpg"><img src="favorite-2_th.jpg" alt="Top
half of a
pretty bird with bright blue plumage on neck, light
colored beak, blue
headdress, links to larger version of the image"></a>
</aside>
</main>
<!-- 页脚 -->
<footer>
<p>Chris Mills, 2016.</p>
<p><a href="http://game-icons.net/lorc/originals/dove.html">Dove
icon</a> by Lorc.</p>
</footer>
</body>
</html>
