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 anychart.color.setThickness(this.sourceColor, 3);

    });

​

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

    chart.container('container');

    chart.draw();

});