CS-555: Cookies

Lecture Notes
« CS-555 Examples

Enter cookie name:
Enter cookie value:
Enter cookie days:
Enter 0 (days) to delete cookie, leave blank for cookie to expire at end-of-session.

    var writeCookie = function() {
        var cName = document.getElementById("cName").value;
        var cValue = document.getElementById("cValue").value;
        var cDays = document.getElementById("cDays").value;
        var cCookie = cName + "=" + cValue +
        (cDays === "" ? "" : "; max-age=" + parseInt(cDays) * (24 * 60 * 60)) + "; path=/";
        document.cookie = cCookie;
    }
    var readCookie = function() {
        var cMsg = "Cookies:<br />";
        if (document.cookie === "") {
            cMsg = "No cookies from this server.";
        }
        else {
            var thisCookie = document.cookie.split("; ");
            for (var i = 0; i < thisCookie.length; i++) {
                cMsg += "Name: " + thisCookie[i].split("=")[0];
                cMsg += ", Value: " + thisCookie[i].split("=")[1] + "<br />";
            }
        }
        document.getElementById("cDisplay").innerHTML = cMsg;
    }
    window.onload = function() {
        document.getElementById("cWrite").onclick = writeCookie;
        document.getElementById("cRead").onclick = readCookie;
    }