src/charts/stacked-area.js
/**
         * Mouseover handler, shows overlay and adds active class to verticalMarkerLine
         * @private
         */
Mouseover handler, shows overlay and adds active class to verticalMarkerLine
@private
Mouseover handler shows overlay and adds active class to verticalMarkerLine @private
function handleMouseOver(data){
            overlay.style('display', 'block');
            verticalMarker.classed('bc-is-active', true);
            dispatcher.call('customMouseOver', this, data);
        }
function handleMouseOver ( data ) { overlay . style ( 'display' , 'block' ) ; verticalMarker . classed ( 'bc-is-active' , true ) ; dispatcher . call ( 'customMouseOver' , this , data ) ; }
Mouseover handler, shows overlay and adds active class to verticalMarkerLine
 @private
Mouseover handler shows overlay and adds active class to verticalMarkerLine @private