The HTMLStyleElement.scoped property is a Boolean value indicating if the element applies to the whole document (false) or only to the parent's sub-tree (true).

API HTML DOM HTMLStyleElement Property Reference Référence

The HTMLSyleElement.media property specifies the intended destination medium for style information.

API HTML DOM HTMLStyleElement NeedsCompatTable NeedsMarkupWork Property Reference Référence

The HTMLStyleElement.type read-only property returns the type of the current style.

API HTML DOM HTMLStyleElement NeedsCompatTable NeedsMarkupWork NeedsSpecTable Property Read-only