cookieHelper.js

function bakeCookie(cname, cvalue, exdays){
    const d = new Date();
    d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
    let expires = "expires=" + d.toUTCString();
    document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
}

function eatCookie(cname){
    let name = cname + "=";
    let decodedCookie = decodeURIComponent(document.cookie);
    let ca = decodedCookie.split(';');
    for(let i = 0; i < ca.length; i++){
        let c = ca[i];
        while(c.charAt(0) == ' '){
            c = c.substring(1);
        }
        if(c.indexOf(name) == 0){
            return c.substring(name.length, c.length);
        }
    }
    return "";
}