Chapter 2: Adjusting Intervals and Background (3)

draw a line on the y-axis with line width of 2 and add some measurement marks along the interval lines

HTML

<script type="text/javascript" src="http://code.highcharts.com/highcharts.js"></script>
<body>
<div style="margin: 5px 60px 5px 5px; " id='container'></div>
</body>

JavaScript

$(document).ready(function() {
       var chart = new Highcharts.Chart({
                chart: {
                renderTo: 'container',
                height: 250,
                spacingRight: 30 
            },
            title: {
                text: 'Market Data: Nasdaq 100'
            },
            subtitle: {
                text: 'May 11, 2012'
            },
            xAxis: {
                type: 'datetime',
                // Format 24 hour time to AM/PM
                dateTimeLabelFormats: {
                  hour: '%I:%M %P' 
                }
            },
            yAxis: {
                title: {
                    text: null
                },
                tickInterval: 10,
                minorTickInterval: 5,
                minorGridLineColor: '#ADADAD',
                minorGridLineDashStyle: '  dashdot',
                gridLineColor: '#8AB8E6',
                alternateGridColor: {
                    linearGradient: {
                        x1: 0, y1: 1,
                        x2: 1, y2: 1
                    },
                    stops: [ [0, '#FAFCFF' ],
                             [0.5, '#F5FAFF'] ,
                             [0.8, '#E0F0FF'] ,
                             [1, '#D6EBFF'] ]
                },
                 lineWidth: 2,
                 lineColor: '#92A8CD',
                 tickWidth: 3,
                 tickLength: 6,
                 tickColor: '#92A8CD',
                 minorTickLength: 3,
                 minorTickWidth: 1,
                 minorTickColor: '#D8D8D8'
            },
            legend: {
                enabled: false
            },
            credits: {
                enabled: false
            },
            series: [{
              name: 'Nasdaq',
              data: [ [ Date.UTC(2012, 4, 11, 9, 30), 2606.01 ], [ Date.UTC(2012, 4, 11, 10), 2622.08 ],  
                      [ Date.UTC(2012, 4, 11, 10, 30), 2636.03 ],
                      [ Date.UTC(2012, 4, 11, 11),...