paleolog

document.querySelector(".minimenu").onchange = function(){
  location.assign(this.value);
}

<select class="minimenu">
   <option value="http://google.com">Гугл</option> 
   <option value="http://ya.ru">Яндек</option>
   <option value="http://vk.com">Вконтакте</option>
   <option value="http://mail.ru">MailRu</option>
</select>

function _boot() {
    let vaks = document.querySelectorAll('.vak');
    [...vaks].forEach(el => el.addEventListener('click', () => el.classList.toggle('active')));
}
_boot();