html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.ohlc();

​

    var series = chart.ohlc([

        {x: Date.UTC(2017, 2, 25), open: 511.53, high: 514.98, low: 505.79, close: 506.40},

        {x: Date.UTC(2017, 2, 26), open: 507.84, high: 513.30, low: 507.23, close: 512.88},

        {x: Date.UTC(2017, 2, 27), open: 512.36, high: 515.40, low: 510.58, close: 511.40},

        {x: Date.UTC(2017, 2, 28), open: 515.02, high: 516.50, low: 511.47, close: 515.25}

    ]);

​

    // Set hover falling stroke.

    series.fallingStroke(function () {

        return anychart.color.setThickness(this.sourceColor, 2);

    });

​

    chart.xScale().minimum(Date.UTC(2017, 2, 24)).maximum(Date.UTC(2017, 2, 29));

    chart.title('Set hover falling stroke parameter as a function');

    chart.container('container');

    chart.draw();

});