문제) www.codewars.com/kata/54c27a33fb7da0db0100040e/train/javascript Codewars: Achieve mastery through challenge Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential. www.codewars.com 내가 푼 답) var isSquare = function(n){ if (n < 0) { return false; } else if (n === 0) { return true; } else { var i = 1; while((i*i)