void setFloatValue(unsigned short unitType, float floatValue) throws DOMException;
unitType
One of the CSSPrimitiveValue constants that specifies the numeric type units for this value.
floatValue
The new value (measured in unitType units).
This method throws a DOMException with a code of NO_MODIFICATION_ALLOWED_ERR if the CSS attribute with which this value is associated is read-only. It throws a DOMException with a code of INVALID_ACCESS_ERR if that CSS attribute does not allow numeric values or does not allow values with the specified unitType.
This method specifies the unit type and numeric value for this CSSPrimitiveValue.