JSFL包括一系列的顶级函数(top-level functions)和一个顶级对象（top-level Object），能够利用flash 或fl来引用这个对象。例如说要关闭所有在编辑环境下曾经敞开的文档，能够利用以下语句：
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The title and other information about the feed can be accessed from this top-level object.
可以从这个顶级对象访问这个提要的标题和其他信息。
Select the application object, which is the top-level object, and on the right side are the associated members as shown in figure 1.
选择最顶层的应用程序对象，右侧就是相关的成员，如图1所示。
Another top-level object in the system is the user object, which allows you to set up accounts for different users coming to your site.
系统中的另一个高层对象是用户对象，它允许为访问站点的用户设置帐号。
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