CSSNumericValue.add()

The add() method of the CSSNumericValue interface adds a supplied number to the CSSNumericValue.

Syntax

var cssMathSum = CSSNumericValue.add(double | CSSNumericValue);

Parameters

number

either a Number or a CSSNumericValue.

Return value

A CSSMathSum

Exceptions

TypeError

Indicates that an invalid type was passed to the method.

Examples

let mathSum = CSS.px("23").add(CSS.percent("4")).add(CSS.cm("3")).add(CSS.in("9"));
// Prints "calc(23px + 4% + 3cm + 9in)"
console.log(mathSum.toString());

Specifications

Browser compatibility