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CSS

files/en-us/web/api/css/index.md

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{{APIRef("CSSOM")}}

The CSS interface holds useful CSS-related methods. No objects with this interface are implemented: it contains only static methods and is therefore a utilitarian interface.

Static properties

  • {{DOMxRef("CSS/highlights_static", "CSS.highlights")}}
    • : Provides access to the HighlightRegistry used to style arbitrary text ranges using the {{domxref("css_custom_highlight_api", "CSS Custom Highlight API", "", "nocode")}}.
  • {{DOMxRef("CSS/paintWorklet_static", "CSS.paintWorklet")}} {{Experimental_Inline}} {{SecureContext_Inline}}
    • : Provides access to the Worklet responsible for all the classes related to painting.

Instance properties

The CSS interface is a utility interface and no object of this type can be created: only static properties are defined on it.

Static methods

No inherited static methods.

  • {{DOMxRef("CSS/registerProperty_static", "CSS.registerProperty()")}}
    • : Registers custom properties, allowing for property type checking, default values, and properties that do or do not inherit their value.
  • {{DOMxRef("CSS/supports_static", "CSS.supports()")}}
    • : Returns a boolean value indicating if the pair property-value, or the condition, given in parameter is supported.
  • {{DOMxRef("CSS/escape_static", "CSS.escape()")}}
    • : Can be used to escape a string mostly for use as part of a CSS selector.
  • CSS factory functions
    • : Can be used to return a new CSSUnitValue with a value of the parameter number of the units of the name of the factory function method used.

      js
      CSS.em(3); // CSSUnitValue {value: 3, unit: "em"}
      

Instance methods

The CSS interface is a utility interface and no object of this type can be created: only static methods are defined on it.

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}