Highcharts Demo

author(s): Torstein Hønsi

HTML

<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="https://code.highcharts.com/highcharts.js"></script>

<div id="container" style="height: 400px"></div>
<button id="button">Show loading</button>

JavaScript

// the button handler
var isLoading = false,
    $button = $('#button'),
    chart;

chart = Highcharts.chart('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]
    }]
});



$button.click(function () {
        chart.showLoading();
        for (var i=0;i<20;i++) {
        		var d=[];
            for (var j=0;j<12;j++) {
                d.push(Math.random()*250)            
						}
        chart.addSeries({data:d});    
        }
        chart.hideLoading();
});