html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.sparkline([5, 50, 10, 60, 20, 70, 30]);

​

    // Set stroke.

    chart.stroke(

        function () {

            return "3 " + this.sourceColor;

        }

    );

​

    chart.title({text: "Set stroke parameter as a function", orientation: "top"});

    chart.container("container");

    chart.draw();

});