这一系统不支持全屏模式。

This system does not support fullscreen mode.

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由于采用了大量HTML5技术，Safari 5浏览器支持全屏播放和隐形字幕（closed caption），地理定位，拖拽属性，表格验证，Ruby，Ajax历史，分割元素（sectioning elements），EventSource和WebSocket等内容。

Heavy on HTML5, the new browser allows full-screen playback and closed captions; geolocation, sectioning elements, draggable attribute, forms validation, Ruby, AJAX History, EventSource and WebSocket.

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同时，他们还在加入高效AAC (HE - AAC)音频支持，和硬件加速、多核增强型全屏视频回放等功能。

They are also adding High Efficiency AAC (HE-AAC) audio support, as well as hardware accelerated, multi-core enhanced full screen video playback.

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