Sign function x If x is NaN the result is NaN. If the argument is a positive number it behaves exactly the same as Mathfloor. Determining the sign of a number is super easy now with ES6s Mathsign It will indicate whether the number is positive negative or zero.
If the argument is a positive number it behaves exactly the same as Mathfloor.
DocumentwriteFourth Test Value. The ceil method rounds a number UPWARDS to the nearest integer and returns the result. The return value can be used to determine the sign of the passed number. If x is -0 the result is -0.