code: function _removeClass(el, token) {
  	if (el.classList) {
  		el.classList.remove(token)
  	} else if (_hasClass(el, token)) {
  		el.className = el.className.replace(new RegExp('(\\s|^)' + token + '(\\s|$)'), ' ').replace(/^\s+|\s+$/g, '')
  	}
  }
docs: Remove class