anychart.onDocumentReady(function () {
var chart = anychart.bubble();
var series = chart.bubble([
{x: 1, value: 1.0, size: 2},
{x: 2, value: 1.6, size: -7},
{x: 3, value: 1.2, size: -4},
{x: 4, value: 1.9, size: 3},
{x: 4, value: 1.5, size: -2}
series.displayNegative(true);
var state = series.normal();
state.negativeHatchFill(true);
chart.title('Enable state hatch fill');
chart.container('container');