HTMLStyleElement

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨July 2015⁩.

* Some parts of this feature may have varying levels of support.

The HTMLStyleElement interface represents a <style> element. It inherits properties and methods from its parent, HTMLElement.

This interface doesn't allow to manipulate the CSS it contains (in most case). To manipulate CSS, see Using dynamic styling information for an overview of the objects used to manipulate specified CSS properties using the DOM.

Instance properties

Inherits properties from its parent, HTMLElement.

HTMLStyleElement.blocking: A string indicating that certain operations should be blocked on the fetching of critical subresources. It reflects the blocking attribute of the <style> element.
HTMLStyleElement.media: A string reflecting the HTML attribute representing the intended destination medium for style information.
HTMLStyleElement.type Deprecated: A string reflecting the HTML attribute representing the type of style being applied by this statement.
HTMLStyleElement.disabled: A boolean value indicating whether or not the associated stylesheet is disabled.
HTMLStyleElement.sheet Read only: Returns the CSSStyleSheet object associated with the given element, or null if there is none.