should we replace the:
document.cookie = this._cookieNamePrefix + name + '=' + escape(value) + cookieExpire + cookiePath + cookieDomain + cookieSecure;
with:
document.cookie = `${this._cookieNamePrefix}${name}=${encodeURIComponent(value)}${cookieExpire}${cookiePath}${cookieDomain}${cookieSecure}`;