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

var data = [4, 5, 1, null, 3, 4, null, 1, 5, null,4, 5];
$(function () {
    $('#container').highcharts({
        title: {
            text: 'LineWithNulls'
        },
        xAxis: {
            categories: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
        },
        series: [{
            data: data ,
            connectNulls: true,
            dashStyle: 'Dot',
            color: 'blue'
        },
        {
            data: data ,
            connectNulls: false,
            color: 'blue',
            linkedTo: ':previous',
        }]
    });
    
    var chart = $('#container').highcharts();
   
});