原标题：Build Web applications with HTML 5
原链接：http://www.ibm.com/developerworks/web/library/wa-html5webapp/?ca=dgr-lnxw07HTML5-Appsdth-WD
大家自己去看，不做全文翻译，不清楚的可以提出来交流
相关功能
1.多线程
2.数据库
3.视频
4.H264支持
5.OGG支持
6.GEO信息
浏览器支持情况
#Firefox 3.6
Your browser’s user-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2) Gecko/20100115 Firefox/3.6
Web Workers? true
Database? false
Video? true
Can play H.264? no
Can play OGG? probably
Geolocation? true
Latitude: 37.2502812
Longitude: -121.9059866
#Safari 4.0.4 Your browser’s user-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_2; en-us) AppleWebKit/531.21.8 (KHTML, like Gecko) Version/4.0.4 Safari/531.21.10
Web Workers? true
Database? true
Video? true
Can play H.264? probably
Can play OGG? no
Geolocation? false
#Chrome 5.0.322 Your browser’s user-agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_2; en-US) AppleWebKit/533.1 (KHTML, like Gecko) Chrome/5.0.322.2 Safari/533.1
Web Workers? true
Database? true
Video? true
Can play H.264? no
Can play OGG? no
Geolocation? false
移动浏览器支持情况
#iPhone 3.1.3 Simulator
Your browser’s user-agent: Mozilla/5.0 (iPhone Simulator; U; CPU iPhone OS 3.1.3 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7E18 Safari/528.16
Web Workers? false
Database? true
Video? true
Can play H.264? maybe
Can play OGG? no
Geolocation? true
Latitude: 37.331689
Longitude: -122.030731
#Android 1.6 Emulator
Your browser’s user-agent: Mozilla/5.0 (Linux; Android 1.6; en-us; sdk Build/Donut) AppleWebKit/528.5+ (KHTML, like Gecko) Version/3.1.2 Mobile Safari/525.20.1
Web Workers? false
Database? false
Video? false
Geolocation? false
#Android 2.1 Emulator
Your browser’s user-agent: Mozilla/5.0 (Linux; U; Android 2.1; en-us; sdk Build/ERD79) AppleWebKit/530.17 (KHTML, like Gecko) Version/4.0 Mobile Safari/530.17
Web Workers? true
Database? true
Video? true
Can play H.264? no
Can play OGG? no
Geolocation? true
Latitude:
Longitude:
注意：请参考详细版本号，当时不支持不代表现在不支持
原文中还有使用HTML5数据库和多线程的例子，详细代码请移步IBM网页查询。