anychart.onDocumentReady(function () {
var chart = anychart.sparkline([1, 4, -7, 1, -3, 6, -8, 3]);
chart.seriesType('column');
chart.negativeFill('#4CAF50');
chart.title({text: 'Set fill parameter as a string for negative points', orientation: 'top'});
chart.container('container');