在高图中堆积瀑布图

$.each(chart.series[2].data, function(i, point) {
  if (i==2) {
    point.graphic.attr({opacity: 0, \'stroke-width\': 0});
  }
}

stacking

var chart = new Highcharts.Chart({
    //other properties...
    plotOptions: {
        series: {
            stacking: \'normal\'
        }
    }
});