JSFiddle - React, Tailwind, and code Playground

by Castrolol

JavaScript

function subtrair(num1, num2){
    var um = -1;
    var valorSubtrair = 0;
    if(num2 >= 0){
        while(num2 + valorSubtrair){
            valorSubtrair = valorSubtrair + um;
        }
    }else{
        while(valorSubtrair + num2){
            valorSubtrair = valorSubtrair + 1;
        }
    }
    
    return num1 + valorSubtrair;
}