anychart.onDocumentReady(function () {
var chart = anychart.waterfall([
{x: 'Net Sales', value: 5085000},
{x: 'Cost of Sales', value: 1250450},
{x: 'Gross Income', isTotal: true},
{x: 'Operating Expenses', value: -2350050},
{x: 'Operating Income', isTotal: true},
{x: 'Other Income', value: 750000},
{x: 'Extraordinary Gain', value: -230050}
var arrow = chart.addArrow({from: 'Cost of Sales', to: 'Operating Expenses'});
document.getElementById('removeArrow').addEventListener('click', () => {
var result = chart.removeArrow(arrow);
chart.title('Arrow remove result: ' + result);
chart.title('Remove arrow.');
chart.container('container');