JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.highcharts.com/highcharts.js"></script>
<div id="container" style="height: 500px"></div>

JavaScript

$(document).ready(function() {
    var cosmdata = [];

    $.getJSON('http://api.cosm.com/v2/feeds/4038/datastreams/9.json?start=2013-05-01T00:00:00Z&end=2013-05-19T23:00:00Z&interval=3600?key=dNSiSvXZtR6QBUqbzll4CCgnngGSAKxIQVFSeXBneGpqWT0g', function(inData) {
        var xval = new Date();
        dateStart = Date.parse(inData.datapoints[0].at);
        for (i = 0; i < inData.datapoints.length; i++) {
            var yval = parseFloat(inData.datapoints[i].value);
            xval = Date.parse(inData.datapoints[i].at);
            var x = [xval, yval];

            cosmdata.push(x);
        }
        
        var chart = new Highcharts.Chart({
            chart: {
                renderTo: 'container'
            },
            xAxis: {
                type: 'datetime'
            },
            plotOptions: {series: {marker: {enabled: false}}},
            series: [{
                data: cosmdata}]
        });
    });



});