Implemented by
The nsIDOMNSDocumentStyle interface is an extension to the nsIDOMDocumentStyle interface. This interface exposes more ways to interact with style sheets in the Document Object Model. This interface is currently very much experimental.
[scriptable, uuid(4ecdf254-a21e-47b0-8d72-55da8208299f)]
interface nsIDOMNSDocumentStyle : nsIDOMDocumentStyle
Attributes
This attribute indicates the preferredStylesheetSet as set by the author. It is determined from the order of stylesheet declarations and the Default-Style HTTP headers. See [[HTML4]]. If there is no preferred stylesheet set, this attribute returns the empty string. The case of this attribute must exactly match the case given by the author where the preferred stylesheet is specified or implied.
readonly attribute
DOMString
preferredStylesheetSet
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