html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.scatter();

    chart.line([

        {x: 0, value: 20},

        {x: 1, value: 50},

        {x: 2, value: 30},

        {x: 3, value: 90},

        {x: 4, value: 40}

    ]);

​

    var crosshair = chart.crosshair();

    crosshair.enabled(true);

​

    var crosshairXLabel = crosshair.xLabel();

    crosshairXLabel.height(35);

    crosshairXLabel.adjustFontSize(true);

    crosshairXLabel.minFontSize(20);

​

    // Get maximum font size.

    var maxFontSize = crosshairXLabel.maxFontSize();

​

    crosshair.yLabel({height: 35, adjustFontSize: true, maxFontSize: maxFontSize});

​

    chart.title("Get and use maximum font size");

    chart.container("container");

    chart.draw();

});