src/charts/stacked-area.js
function handleTouchMove(e, d) {
            dispatcher.call('customTouchMove', e, d, d3Selection.touch(e));
        }
function handleTouchMove(e, d) {
            dispatcher.call('customTouchMove', e, d, d3Selection.touch(e));
        }
function handleTouchMove ( e , d ) { dispatcher . call ( 'customTouchMove' , e , d , d3Selection . touch ( e ) ) ; }
Touchmove highlighted points
It will only pass the information with the event
@private
Touchmove highlighted points It will only pass the information with the event