Calculadora básica para dois números
const calculator = (a, b, operator) => {
let resultNum = 0
switch (operator) {
case "add":
resultNum = a + b;
break;
case "subtract":
resultNum = a - b;
break;
case "multiply":
resultNum = a * b;
break;
case "divide":
resultNum = a / b;
break;
default:
resultNum = 0;
}
return resultNum
}
// With love @kouqhar
kouqhar