Note: This feature is available in Web Workers.
The sub() method of the CSSNumericValue interface subtracts a supplied number from the CSSNumericValue.
sub()
sub(number1)
sub(number1, number2)
sub(number1, number2, /* …, */ numberN)number1, …, numberN OptionalEither a number or a CSSNumericValue.
A CSSMathSum, or a CSSUnitValue if this and every argument share the same unit.
TypeErrorThrown if an invalid type was passed to the method.
let mathSum = CSS.px(23).sub(CSS.percent(4)).sub(CSS.cm(3)).sub(CSS.in(9));
// Prints "calc(23px - 4% - 3cm - 9in)"
console.log(mathSum.toString());