html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.column();

​

    var series = chart.column([

        {x: 'January', value: 2},

        {x: 'February', value: 5},

        {x: 'March', value: 3},

        {x: 'April', value: 9},

        {x: 'May', value: 4}

    ]);

​

    var labels = series.labels();

    labels.enabled(true);

    labels.height('5%');

    labels.width('5%');

    labels.background({fill: '#FFFFFF'});

    labels.format(function () {

        return 'Value: ' + this.value + '\n' + 'Index: ' + this.index

    });

​

    // Set adjust font size.

    labels.adjustFontSize(true, true);

​

    chart.title('Set adjust font size using two parameters');

    chart.container('container');

    chart.draw();

});