ElementStacks

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container" style="height: 400px"></div>

JavaScript

var data=[9,4,5];
    var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container',
        defaultSeriesType: 'column'
    },
    
    xAxis: {
        categories: ["a","b","c"]
    },
    
    series: [{
    data: [{
    y:data[0],
    low: 0
    },{
    y:data[0]+data[1],
    low: data[0]
    },{
    y:data[0]+data[1]+data[2],
    low: data[0]+data[1]
    }]        
    }]
});