列布局

http://www.w3.org/TR/2001/WD-css3-multicol-20010118/

Canvas画图

http://developer.mozilla.org/en/docs/Drawing_Graphics_with_Canvas

运行代码 [Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]

快速返回

Fast back (and forward)

This very experimental feature allows much faster session history navigation. The feature is off by default but can be enabled for testing purposes by setting the browser.sessionhistory.max_viewers preference to a nonzero number.

全部来自：

http://developer.mozilla.org/en/docs/What’s_New_in_Deer_Park_Alpha

[Edit on 2005-9-28 18:17:00 By guoshuang]