The CSSValue interface represents a simple or a complex
value. A CSSValue object only occurs in a context of a CSS
property.
An integer indicating which type of unit applies to the value.
The value is inherited and the cssText contains
"inherit".
The value is a primitive value and an instance of the
CSSPrimitiveValue interface can be obtained by using
binding-specific casting methods on this instance of the
CSSValue interface.
The value is a CSSValue list and an instance of
the CSSValueList interface can be obtained by using
binding-specific casting methods on this instance of the
CSSValue interface.
The value is a custom value.
A string representation of the current value.
SYNTAX_ERR: Raised if the specified CSS string value has a syntax error (according to the attached property) or is unparsable.
INVALID_MODIFICATION_ERR: Raised if the specified CSS string value represents a different type of values than the values allowed by the CSS property.
NO_MODIFICATION_ALLOWED_ERR: Raised if this value is readonly.
A code defining the type of the value as defined above.