The CSSUnitValue() constructor creates a new CSSUnitValue object which returns a new CSSUnitValue object which represents values that contain a single unit type. For example, "42px" would be represented by a CSSNumericValue.

value

Returns a double indicating the number of units.

unit

Returns a string indicating the type of unit.

The following shows a method of creating a CSSPositionValue from individual CSSUnitValue constructors.

let pos = new CSSPositionValue(
  new CSSUnitValue(5, "px"),
  new CSSUnitValue(10, "px"),
);

• CSSUnitValue.unit
• CSSUnitValue.value
• Using the CSS Typed OM
• CSS Typed Object Model API