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CSSStyleValue - Web APIs | MDN
CSSStyleValue Limited availability
The CSSStyleValueCSS Typed Object Model API is the base class of all CSS values accessible through the Typed OM API. An instance of this class may be used anywhere a string is expected.
Below is a list of interfaces based on the CSSStyleValue interface.
CSSStyleValue.parse()
Sets a specific CSS property to the specified values and returns the first value as a CSSStyleValue object.
CSSStyleValue.parseAll()
Sets all occurrences of a specific CSS property to the specified value and returns an array of CSSStyleValue objects, each containing one of the supplied values.
