html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var a = 0;

​

    var stage = anychart.graphics.create('container');

​

    var chart = anychart.sparkline([15.5, 16.6]);

​

    stage.listenOnce('stagerendered', function () {

        var isAsync = (a == 10);

        alert(isAsync);

    });

​

    chart.container(stage);

    chart.draw(true);

​

    // In async mode your code will be executed before chart draw.

    a = 10;

});