ElementStacks

HTML

<script src="http://highcharts.com/js/highcharts.src.js"></script>
<script src="http://highcharts.com/js/excanvas.compiled.js"></script>
<div id="container" style="height: 400px"></div>
<button id="button">Change type</button>

JavaScript

$('#button').click(function() {
  var series = chart.series[0],
      newType = series.type == 'line' ? 'column' : 'line';
    changeType(series, newType);
})

function changeType(series, newType) {
    var dataArray = [],
        points = series.data;
    
    series.chart.addSeries({
        type: newType,
        name: series.name,
        color: series.color,
        data: series.options.data
    }, false);
    
    series.remove();
}

var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container',
        defaultSeriesType: 'line'
    },
    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
    },
    yAxis: {
    },
    legend: {
        layout: 'vertical',
        backgroundColor: '#FFFFFF',
        style: {
            left: '100px',
            top: '70px',
            bottom: 'auto'
        }
    },
    tooltip: {
        formatter: function() {
            return '<b>'+ this.series.name +'</b><br/>'+
                this.x +': '+ this.y;
        }
    },
    plotOptions: {
    },
    series: [{
        data: [29.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4]
        
    }]
});