CanvasJS multiaxis bug

Basic HTML5 Chart Example

HTML

<script src="http://canvasjs.com/assets/script/canvasjs.min.js"></script>
<div id="chartContainer" style="height: 360px; width: 100%;"></div>

JavaScript

var chart = new CanvasJS.Chart("chartContainer", {
        title: {
          text: "Click on legend items to hide/unhide dataseries"
        },
        legend: {
            cursor: "pointer",
            itemclick: function (e) {
                //console.log("legend click: " + e.dataPointIndex);
                //console.log(e);
                if (typeof (e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
                    e.dataSeries.visible = false;
                } else {
                    e.dataSeries.visible = true;
                }

                e.chart.render();
            }
        },
            axisY: {
                interval:5
            },
        data: [{
            showInLegend: true,
            axisType: "secondary",
            type: "line",
            dataPoints: [{
                x: 10,
                y: 31
            }, {
                x: 20,
                y: 35
            }, {
                x: 30,
                y: 30
            }, {
                x: 40,
                y: 35
            }, {
                x: 50,
                y: 35
            }, {
                x: 60,
                y: 38
            }, {
                x: 70,
                y: 38
            }, {
                x: 80,
                y: 34
            }, {
                x: 90,
                y: 44
            }

            ]
        }, {
            showInLegend: true,
            type: "line",
            dataPoints: [{
                x: 10,
                y: 25
            }, {
                x: 20,
                y: 30
            }, {
                x: 30,
                y: 20
            }, {
                x: 40,
                y: 45
            }, {
                x: 50,
                y: 30
            }, {
                x: 60,
                y: 10
            }, {
                x: 70,
                y: 15
            }, {
                x: 80,
                y: 18
            }, {
    ...