现在，您几乎具有了富桌面应用程序中可用的每一样东西：有日期选择器、菜单、树、滑块，窗口等等。

Today, you have nearly everything available in a rich desktop application: You have date pickers, menus, trees, sliders, windows, and more.

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如果您坚持在Safari中测试应用程序，那么可以打开Safari Debug菜单，通过该菜单可以查看dom树、CSS和缓存等。

If you insist on testing your application in Safari, you can turn on the Safari Debug menu, which allows you to inspect the DOM tree, CSS, the cache, and so on.

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