HBCMS更多的中文手册参考:

top参数属性

DHTML文档教程

Retrieves the topmost ancestor window.

dhtml语法

[ oTop = ] window.top

DHTML可能的值

oTop Object that receives the topmost parent window.

The property is read-only. The property has no default value.

是否符合公共标准

There is no public standard that applies to this property.

Applies To

window