docs: function render(msg, cb, ms, level) {
      if (typeof cb === 'number') {
        ms = cb;
        cb = null;
      }
  
      return new Message({
        parentNode: '#msgbox',
        model: {
          msg: msg,
          close: cb,
          timeout: ms || util.TOAST_DURATION,
          level: level
        }
      }).render();
    }