CHART - Add Extra Bars OnClick Event

by bizamajig

HTML

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


<button id='update1'>update series, adding a new row</button>

JavaScript

$(function() {
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container',
            type: 'column'
        },
        xAxis: {
            categories: ['pizza', 'french fries']  
        },
        series: [{
            data: [55, 32]   
        }]
    });

    $('#update1').toggle(function() {
        chart.series[0].setData([55, 32, 17], false);
        chart.xAxis[0].setCategories(['pizza', 'french fries', 'nachos'], false);
        chart.redraw();
        $(this).text('now, click again to switch back to 2 columns');
    }, function () {
        try {
            chart.xAxis[0].setCategories(['pizza', 'french fries'], false);
            chart.series[0].setData([55, 32], false);
            chart.redraw();
        } catch (e) {
            alert(e);   
        }

        $(this).text('update series, adding a new row');
    });
});