Highcharts test tool

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>

<div id="container" style="height: 300px"></div>

JavaScript

var chart = new Highcharts.Chart({

    chart: {
        defaultSeriesType: 'spline',
        renderTo: 'container'
    },

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },

    series: [{
        data: [29.9, null, 106.4, 129.2, 144.0, 176.0, null, 148.5, 216.4, 194.1, 95.6, 54.4],
    }]

});