Safari 5 has been released, many people expect this broser has new features, especially on performance and HTML5 supports. When the others have developed a browser that supports HTML5, Safari just do it at version 5. Yes, Safari 5 has full support for HTML5. Apparently, all the features of HTML5 can run well on the 5 Safari.
Look at the following HTML5 features :
Full screen for <video>
HTML5 <header>
Closed captions for <video>
HTML5 <hgroup>
Geolocation
HTML5 <nav>
HTML5 AJAX history
HTML5 <section>
EventSource
HTML5 sandboxed <iframe>
WebSocket
HTML5 <audio>
HTML5 draggable attribute
HTML5 <video>
HTML5 forms of validation
HTML5 <canvas>
HTML5 <ruby>
HTML5 offline storage
HTML5 <article>
Cross-origin resource sharing
HTML5 <aside>
HTML5 contenteditable
HTML5 <footer>
Web workers
Apple also claims Safari 5 as the fastest browser, although all browser also do that 
.But, how about the performance test of Safari 5? Let’s check it out.
