html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var data = anychart.data.set([

        ["John", 10000],

        ["Jake", 12000],

        ["Peter", 18000],

        ["James", 11000],

        ["Mary", 9000]

    ]);

​

    var chart = anychart.column(data);

​

    var tooltip = chart.tooltip();

    tooltip.displayMode('union');

​

    // Set title formatter.

    tooltip.titleFormat(function () {

        return "Custom title";

    });

​

    chart.title("Set title formatter");

    chart.container("container");

    chart.draw();

});