html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.line([

        {x: 0, value: 6},

        {x: 1, value: 10},

        {x: 2, value: 18},

        {x: 3, value: 11},

        {x: 4, value: 9}

    ]);

    chart.yScale().minimum(0);

    chart.xScale('linear');

​

    var controller = chart.annotations();

​

    controller.fibonacciArc({

        xAnchor: 1,

        valueAnchor: 10,

        secondXAnchor: 2,

        secondValueAnchor: 18,

        stroke: '#F44336'

    });

​

    var fibonacciArc = controller.getAnnotationAt(0);

​

    // Set fibonacci levels.

    fibonacciArc.levels([0, 0.2, 0.4, 0.7, 1]);

​

    chart.title('Set levels for fibonacci annotation');

    chart.container('container');

    chart.draw();

});