html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.gauges.circular([{value: 20}, {value: 10}]);

    chart.axis();

    chart.knob(0, {fill: '#FF8A65'});

    chart.knob(1, {fill: '#4DB6AC', topRadius: 40, bottomRadius: 30});

​

    // Disable knob pointer by index.

    chart.knob(1, false);

​

    chart.title('Disable knob pointer by index');

    chart.container('container');

    chart.draw();

});