JS判断两个数是否能除尽

function judgeDivisor(m, n) {
    
    //JS判断两个数是否能除尽
	var num = {
    
    };
	var i = 0;
	var x = parseInt(m / n);
	m = m % n;
	var result = "";
	while (m != 0 && !(m in num)) {
    
    
		num[m] = i++;
		result += parseInt(m * 10 / n);
		m = m * 10 % n;
	}
	return m == 0;
}
judgeDivisor(5,100)