code: function ( includeMargin ) {
              var el = this.element(),
                  margin = 0;
      
              if ( el === window ) {
                  if ( window.outerHeight ) {
                      return window.outerHeight;
                  } else {
                      return $B.measure.windowHeight();
                  }
              } else if ( el === document ) {
                  return $B.measure.documentHeight();
              } else if ( el === screen ) {
                  return screen.height;
              } else {
                  if ( includeMargin === true ) {
                      var marginT = parseFloat( $B( el ).css( 'margin-top' ) ),
                          marginB = parseFloat( $B( el ).css( 'margin-bottom' ) );
      
                      if ( marginT ) margin += marginT;
                      if ( marginB ) margin += marginB;
                  }
      
                  return el.offsetHeight + margin;
              }
          }
docs: <b>읽기전용</b>
  타겟타입:(Selector, Element)
  Padding, Border, 스크롤바 포함된 세로사이즈 반환
  @param   {Boolean}   includeMargin   margin 포함여부
  @return	{Number}