HC connectNull Demo

author(s): Marc

by J. Albert Bowden

HTML

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

<div id="container" style="height: 400px; max-width: 800px; margin: 0 auto"></div>

JavaScript

$(function () {
    $('#container').highcharts({
        title: {
            text: 'LineWithNulls'
        },
        subtitle: {
            text: 'How can I connect the the line in a different color or with a dotted line'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
        },
        
        series: [{
        		color: 'black',
            data: [4, 5, 1, null, 3, 4, 2],
            connectNulls: true,
            zoneAxis: 'x',
            zones: [{
                value: 2,
                dashStyle: 'solid'
            },{
            		value: 4,
                dashStyle: 'dot'
            }]
        }]
    });
});