Interface for a class Header
string
Specifies the icon class that is used to render an icon in the Tab header.
string
Options for positioning the icon in the Tab item header. This property depends on iconCss
property.
The possible values are:
left
of the item.top
of the item.right
end of the item.bottom
of the item. string
| HTMLElement
Specifies the display text of the Tab item header.