로그인 실패시 아이디, 비밀번호가 지워집니다

var setCookie = function(name, value, day) {

        var date = new Date();

        date.setTime(date.getTime() + day * 60 * 60 * 24 * 1000);

        document.cookie = name + '=' + value + ';expires=' + date.toUTCString() + ';path=/';

    };

 

    var getCookie = function(name) {

        var value = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)');

        return value? value[2] : null;

    };

 

    setCookie("test", "test1234", 1);

    alert(getCookie("test"));

    deleteCookie("test");

    alert(getCookie("test"));