code: function doSlide(direction, isSync) {
          ISSYNC = typeof isSync === 'boolean' ? isSync : true;
  
          // $container.style.marginLeft = -(slideID * slideWidth) + 'px';
          updateSlideClass();
          setProgress();
          //发布slide切换状态广播
          ISSYNC && $B.fire('slide change ID', {
              slideID: curIndex,
              direction: direction
          });
          if (doHash) {
              lockSlide = true;
              $win.location.hash = "#" + curIndex;
          }
          slideInCallBack();
          removePaint();
  
          if ($doc.body.classList.contains('overview')) {
              focusOverview_();
              return;
          } else if (!$doc.body.classList.contains('popup')) {
              $doc.body.classList.remove('with-notes');
          }
  
      }
docs: 切换动画