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();

​

    // Set format.

    crosshairXLabel.format(function () {

        return 'Value is ' + this.value;

    });

​

    chart.title('Set label format');

    chart.container('container');

    chart.draw();

});