deleteCookiesSO.js

function deleteCookies(array) {
    var r = confirm("Are you sure you want to clear your score!");
    if (r) {
        for (var i = 0; i < array.length; i++) {
          document.cookie = array[i] + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;';
        }
        alert("Your score has been cleared!");
    }
    else {
        window.location="javascript:history.go(0)";
    }
}

//Example
deleteCookies(['id3','correct3'])