html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var chart = anychart.line([

        {x: 'January', value: 0},

        {x: 'February', value: 0.02},

        {x: 'March', value: 0.006},

        {x: 'April', value: 0.1},

        {x: 'May', value: 0.9}

    ]);

​

    var logScale = anychart.scales.log();

​

    // Set logarithmic base.

    logScale.logBase(10);

    //logScale.inverted(true);

    logScale.minimum(0);

    logScale.maximum(1);

​

    chart.yScale(logScale);

    var ticksArray = [1, 0.1, 0.01, 0.001, 0];

    chart.yScale().ticks().set(ticksArray);

    chart.title('Set logarithmic base');

    chart.container('container');

    chart.draw();

});