slider.update = function()

in content/js/flexslider.js [705:733]


    slider.update = function(pos, action) {
      slider.doMath();
      
      // update currentSlide and slider.animatingTo if necessary
      if (!carousel) {
        if (pos < slider.currentSlide) {
          slider.currentSlide += 1;
        } else if (pos <= slider.currentSlide && pos !== 0) {
          slider.currentSlide -= 1;
        }
        slider.animatingTo = slider.currentSlide;
      }
      
      // update controlNav
      if (vars.controlNav && !slider.manualControls) {
        if ((action === "add" && !carousel) || slider.pagingCount > slider.controlNav.length) {
          methods.controlNav.update("add");
        } else if ((action === "remove" && !carousel) || slider.pagingCount < slider.controlNav.length) {
          if (carousel && slider.currentSlide > slider.last) {
            slider.currentSlide -= 1;
            slider.animatingTo -= 1;
          }
          methods.controlNav.update("remove", slider.last);
        }
      }
      // update directionNav
      if (vars.directionNav) methods.directionNav.update();
      
    }