The parse() static method of the CSSStyleValue interface sets a specific CSS property to the specified values and returns the first value as a CSSStyleValue object.
The parseAll() static method of the CSSStyleValue interface 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.
The
parse()
static method of the CSSStyleValue interface sets a specific CSS property to the specified values and returns the first value as a CSSStyleValue object.MDN Reference