code: function(e, element) {
  
      // if the element has the class "mousetrap" then no need to stop
      if ((' ' + element.className + ' ').indexOf(' mousetrap ') > -1) {
        return false;
      }
  
      // stop for input, select, and textarea
      return element.tagName == 'INPUT' || element.tagName == 'SELECT' || element.tagName == 'TEXTAREA' || element.isContentEditable;
    }
docs: should we stop this event before firing off callbacks
  
  @param {Event} e
  @param {Element} element
  @return {boolean}