anychart.onDocumentReady(function () {
var chart = anychart.sparkline([1, 4, 7, 1]);
chart.seriesType('column');
chart.fill(['#EF9A9A', '#A5D6A7'], 45, true, 0.7);
chart.title({text: 'Set chart fill as a linear gradient', orientation: 'top'});
chart.container('container');