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CSS - Web APIs | MDN
CSS.highlights
Provides access to the HighlightRegistry used to style arbitrary text ranges using the CSS Custom Highlight API .
CSS.paintWorklet
Experimental
Secure context
Provides access to the Worklet responsible for all the classes related to painting.
The CSS interface is a utility interface and no object of this type can be created: only static properties are defined on it.
No inherited static methods .
CSS.registerProperty()
Registers custom properties , allowing for property type checking, default values, and properties that do or do not inherit their value.
CSS.supports()
Returns a boolean value indicating if the pair property-value , or the condition, given in parameter is supported.
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
CSS.em(3); // CSSUnitValue {value: 3, unit: "em"}
The CSS interface is a utility interface and no object of this type can be created: only static methods are defined on it.
