dynamic area

by jayhilwig

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>

JavaScript

$(function () {
    var chart;
    var lastdate = 1343387830000;
    $(document).ready(function () {
        chart = new Highcharts.Chart({
            chart: {
                renderTo: 'container',
                type: 'area',
                animation: false,
                animation: Highcharts.svg, // don't animate in old IE
                marginRight: 10,
                backgroundColor: '#000000',
                borderRadius: 0,
                marginTop: 20,
                events: {
                    load: function () {

                        // set up the updating of the chart each second
                        var serieslist = this.series;
                        setInterval(function () {
                            lastdate = lastdate + 10000
                            for (seriesidx in serieslist) {
                                var x = lastdate, // current time
                                    y = this.value;
                                serieslist[seriesidx].addPoint([x, y], true, true);
                            }
                        }, 2000);
                    }
                }
            },
            credits: {
                enabled: false
            },
            title: {
                text: null
            },
            xAxis: {
                type: 'datetime',
                tickPixelInterval: 500,
                labels: {
                    align: 'center',
                    x: 0,
                    y: 22,
                    formatter: function () {
                        return Highcharts.dateFormat('%l:%M:%S', this.value);
                    }
                },
            },
            yAxis: {
                title: {
                    margin: 30,
                    text: '% Compressed',
                    style: {
                        color: '#ffffff',
                    }
                },
                max: 100,
                labels: {
                    min: 0,
        ...