Series Color on Button Click

Example to change series color

HTML

<div id="container" style="height: 400px; min-width: 600px"></div>

<button id="button">Change Color</button>

<script src="http://code.highcharts.com/stock/highstock.js"></script>
<script type="text/javascript" src="http://www.highcharts.com/samples/data/three-series-1000-points.js"></script>

JavaScript

$(function() {
    var chart = new Highcharts.StockChart({
        
        chart: {
            renderTo: 'container'
        },
        
        scrollbar: {
            enabled: true
        },
        
        navigator: {
            enabled: true
        },
        
        rangeSelector: {
            selected: 1
        },
        
        series: [{
            name: 'Sample',
            data: MSFT
        },
        {
            name: 'Samplesity',
            data: MSFT
        }]
        
    });
    
    $('#button').click(function() {
       chart.series[0].graph.attr('stroke', '#f3e07b');
       
    });
});