anychart.onDocumentReady(function () {
var chart = anychart.gauges.linear([300, 250, 150]);
chart.addPointer(0, 1, 2);
chart.label(0, 'Label by index 0');
chart.label(1, {offsetX: 120, text: 'Label by index 1'});
chart.title('Set chart label parameter as string by index');
chart.container('container');