stickshift.js
function setScrollTop(cm, val) {
    if (Math.abs(cm.doc.scrollTop - val) < 2) return;
    cm.doc.scrollTop = val;
    if (!gecko) updateDisplaySimple(cm, {top: val});
    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
    cm.display.scrollbars.setScrollTop(val);
    if (gecko) updateDisplaySimple(cm);
    startWorker(cm, 100);
  }
function setScrollTop(cm, val) {
    if (Math.abs(cm.doc.scrollTop - val) < 2) return;
    cm.doc.scrollTop = val;
    if (!gecko) updateDisplaySimple(cm, {top: val});
    if (cm.display.scroller.scrollTop != val) cm.display.scroller.scrollTop = val;
    cm.display.scrollbars.setScrollTop(val);
    if (gecko) updateDisplaySimple(cm);
    startWorker(cm, 100);
  }
function setScrollTop ( cm , val ) { if ( Math . abs ( cm . doc . scrollTop - val ) < 2 ) return ; cm . doc . scrollTop = val ; if ( ! gecko ) updateDisplaySimple ( cm , { top : val } ) ; if ( cm . display . scroller . scrollTop != val ) cm . display . scroller . scrollTop = val ; cm . display . scrollbars . setScrollTop ( val ) ; if ( gecko ) updateDisplaySimple ( cm ) ; startWorker ( cm , 100 ) ; }
Sync the scrollable area and scrollbars, ensure the viewport covers the visible area.
Sync the scrollable area and scrollbars ensure the viewport covers the visible area .