code: function () {
                  var el = document.createElement( 'video' ),
                      bool = false;
                  // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224
                  try {
                      if ( bool = !!el.canPlayType ) {
                          bool      = new Boolean(bool);
                          bool.ogg  = el.canPlayType('video/ogg; codecs="theora"')      .replace(/^no$/,'');
                          bool.h264 = el.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,'');
                          bool.webm = el.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,'');
                      }
      
                  } catch(e) {}
                  _video = bool;
      
                  this.supportVideo = function () { return _video; };
                  return this.supportVideo();
              }
docs: Video 태그 지원여부
  @return	{Boolean}