util.js
function el(element) {
  var classes = [];
  var tag = element;
  var el;

  if (isElement(element)) {
    return element;
  }

  classes = element.split('.');
  if (classes.length > 1) {
    tag = classes[0];
  }
  el = document.createElement(tag);
  addClass(el, classes.slice(1));

  return el;
}
function el(element) {
  var classes = [];
  var tag = element;
  var el;

  if (isElement(element)) {
    return element;
  }

  classes = element.split('.');
  if (classes.length > 1) {
    tag = classes[0];
  }
  el = document.createElement(tag);
  addClass(el, classes.slice(1));

  return el;
}
function el ( element ) { var classes = [ ] ; var tag = element ; var el ; if ( isElement ( element ) ) { return element ; } classes = element . split ( '.' ) ; if ( classes . length > 1 ) { tag = classes [ 0 ] ; } el = document . createElement ( tag ) ; addClass ( el , classes . slice ( 1 ) ) ; return el ; }
createElement shortcut
@param  {String} tag
@return {Element} element
createElement shortcut