CHARTS - Dynamically Change Bar or Spline Line to different COLOR

author(s): Torstein Hønsi

by bizamajig

HTML

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

<div id="container" style="height: 400px"></div>
<button id="button">Change to red</button>

JavaScript

$(function () {
    var chart = new Highcharts.Chart({
        chart: {
            renderTo: 'container'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        
        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]        
        }]
    });
    
    // the button handler
    $('#button').click(function() {
        chart.series[0].color = "#FF0000";
        chart.series[0].graph.attr({ stroke: '#FF0000' });
        
        $.each(chart.series[0].data, function(i, point) {
           point.graphic.attr({ fill: '#FF0000' });            
         });
        chart.redraw();
    });
});