HTML5 包括了现代网站上常用的元素和属性，融合了 HTML 和 XHTML 标准。它的设计使得老旧的浏览器可以直接忽略新的 HTML 5 结构。
本文推荐了10段 HTML5 代码段，可以大大简化你的工作。
1 配合 HTML5 的 CSS 重设
/*html5doctor.com Reset Stylesheet
(Eric Meyer's Reset Reloaded + HTML5 baseline) v1.4 2009-07-27 | Authors: Eric Meyer & Richard Clark
html5doctor.com/html-5-reset-stylesheet/ */
html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, figure, footer, header, hgroup, menu, nav, section, menu,
time, mark, audio, video {
margin:0;
padding:0;
border:0;
outline:0;
font-size:100%;
vertical-align:baseline;
background:transparent;
}
article, aside, figure, footer, header,
hgroup, nav, section { display:block; }
nav ul { list-style:none; }
blockquote, q { quotes:none; }
blockquote:before, blockquote:after,
q:before, q:after { content:''; content:none; }
a { margin:0; padding:0; font-size:100%; vertical-align:baseline; background:transparent; }
ins { background-color:#ff9; color:#000; text-decoration:none; }
mark { background-color:#ff9; color:#000; font-style:italic; font-weight:bold; }
del { text-decoration: line-through; }
abbr[title], dfn[title] { border-bottom:1px dotted #000; cursor:help; }
/* tables still need cellspacing="0" in the markup */
table { border-collapse:collapse; border-spacing:0; }
hr { display:block; height:1px; border:0; border-top:1px solid #ccc; margin:1em 0; padding:0; }
input, select { vertical-align:middle; }
/* END RESET CSS */
2 HTML5 视频 （Flash 降级处理）
<video width="640" height="360" controls>
<source src="__VIDEO__.MP4" type="video/mp4" />
<source src="__VIDEO__.OGV" type="video/ogg" />
<object width="640" height="360" type="application/x-shockwave-flash" data="__FLASH__.SWF">
<param name="movie" value="__FLASH__.SWF" />
<param name="flashvars" value="controlbar=over&image=__POSTER__.JPG&file=__VIDEO__.MP4" />
<img src="__VIDEO__.JPG" width="640" height="360" alt="__TITLE__"
title="No video playback capabilities, please download the video below" />
</object>
</video>
3 HTML5 起始页
<!DOCTYPE HTML>
<html>
<head>
<meta charset = "utf-8">
<title></title>
<link rel="stylesheet" href="style.css">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.min.js"></script>
<!--[if IE]><script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->
<script scr ="script/script.js"></script>
</head>
<body>
<header>
</header>
</body>
</html>
4 创建 Google 静态地图
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0 maximum-scale=1.0, user-scalable=no" />
<title>Geo Location</title>
<style type="text/css" media="screen">
html{ height: 100%; }
body{ height: 100%; margin: 0; padding: 0; }
#map{ width: 100%; height: 100%; }
</style>
<!-- jQuery Min -->
<script type="text/javascript" charset="utf-8" src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>
<!-- Google Maps -->
<script type="text/javascript" charset="utf-8" src="http://maps.google.com/maps/api/js?sensor=true"></script>
<script charset="utf-8" type="text/javascript">
mapWidth = screen.width;
mapHeight = screen.height;
$(document).ready(function(){
var geo = navigator.geolocation;
if( geo ){
//Used for Static Maps
geo.watchPosition( showLocation, mapError, { timeout: 5000, enableHighAccuracy: true } );
}
function createStaticMarker( markerColor, markerLabel, lat, lng ){
return "&markers=color:" + markerColor + "|label:" + markerLabel + "|" + lat + "," + lng;
}
function createStaticMap( position ){
var lat = position.coords.latitude;
var lng = position.coords.longitude;
var zoom = 20;
var sensor = true;
var img = $("<img>");
img.attr( { src: "http://maps.google.com/maps/api/staticmap?" +
"center=" +
lat + "," +
lng +
"&zoom=" + zoom +
"&size=" + mapWidth + "x" + mapHeight +
createStaticMarker( "blue", "1", lat, lng ) +
"&sensor=" + sensor } );
return img;
}
function showLocation( position ){
var lat = position.coords.latitude;
var lng = position.coords.longitude;
var latlng = new google.maps.LatLng( lat, lng );
$("#map").html( createStaticMap( position ) )
}
function mapError( e ){
var error;
switch( e.code ){
case 1:
error = "Permission Denied";
break;
case 2:
error = "Network or Satellites Down";
break;
case 3:
error = "GeoLocation timed out";
break;
case 0:
error = "Other Error";
break;
}
$("#map").html( error );
}
});
</script>
</head>
<body>
<div id="map">
</div>
</body>
</html>
5 简单HTML5 起始页模板
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled</title>
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
</body>
</html>
6 HTML5 页面结构
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Your Website</title>
</head>
<body>
<header>
<nav>
<ul>
<li>Your menu</li>
</ul>
</nav>
</header>
<section>
<article>
<header>
<h2>Article title</h2>
<p>Posted on <time datetime="2009-09-04T16:31:24+02:00">September 4th 2009</time> by <a href="#">Writer</a> - <a href="#comments">6 comments</a></p>
</header>
<p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas.</p>
</article>
<article>
<header>
<h2>Article title</h2>
<p>Posted on <time datetime="2009-09-04T16:31:24+02:00">September 4th 2009</time> by <a href="#">Writer</a> - <a href="#comments">6 comments</a></p>
</header>
<p>Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas.</p>
</article>
</section>
<aside>
<h2>About section</h2>
<p>Donec eu libero sit amet quam egestas semper. Aenean ultricies mi vitae est. Mauris placerat eleifend leo.</p>
</aside>
<footer>
<p>Copyright 2009 Your name</p>
</footer>
</body>
</html>
7 HTML5 上下文菜单
<section contextmenu="mymenu">
<p>Yes, this section right here</p>
</section>
<menu type="context" id="mymenu">
<menuitem label="Please do not steal our images" icon="img/forbidden.png"></menuitem>
<menu label="Social Networks">
<menuitem label="Share on Facebook" onclick="window.location.href = 'http://facebook.com/sharer/sharer.php?u=' + window.location.href;"> </menuitem>
</menu>
</menu>
8 HTML5 数据列表
<datalist id="frameworks">
<option value="MooTools">
<option value="Moobile">
<option value="Dojo Toolkit">
<option value="jQuery">
<option value="YUI">
</datalist>
9 从Google地图获取线路指引
<form action="http://maps.google.com/maps" method="get" target="_blank">
<label for="saddr">Enter your location</label>
<input type="text" name="saddr" />
<input type="hidden用正则表达式" name="daddr" value="350 5th Ave New York, NY 10018 (Empire State Building)" />
<input type="submit" value="Get directions" />
</form>
10 HTML5 电子邮箱地址验证（基于正则表达式）
<input type="text" title="email" required pattern="[^@]+@[^@]+\.[a-zA-Z]{2,6}" />
