code: function ( type, handler ) {
              var el = this.element();
      
              if ( typeof type === 'string' ) {
                  if ( typeof handler === 'function' ) {
                      $B.event.remove( el, type, handler );
                  } else {
                      $B.event.removeTypeAll( el, type );
                  }
              } else {
                  $B.event.removeAll( [el] );
              }
          }
docs: 타겟타입:(Element, ID)<br>
  이벤트 삭제
  @param	{String}	type	"on"빼고, "click"
  @param	{Function}	handler		Event Handler