I have created cookie in js 'login_time' it is deleted in 'Alt+CTRL+DEL' in chrome and firefox but not deleted in IE.I have checked 'Cookies and website data' and 'temporary Internet files and website files' but still cookie is alive after delete in IE.
if ((document.cookie.indexOf('login_time=') < 0)) { //check cookie not exist
var expiry = new Date();
expiry.setTime(expiry.getTime() + (24 * 60 * 60 * 1000));
document.cookie = 'login_time=yes; expires=' + expiry;
alert('cookie not exist and so created');
} else {
alert('cookie already exist exist');
}