Basic Column Chart - CanvasJS JavaScript Charts

Basic Column Chart - CanvasJS JavaScript Charts

HTML

<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br/><!-- Just so that JSFiddle's Result label doesn't overlap the Chart -->
<div id="chartContainer" style="height: 360px; width: 100%;"></div>

JavaScript

var dps = []; // dataPoints
            var chart = new CanvasJS.Chart("chartContainer", {
                zoomEnabled: true,
                title: {
                    text: "Dynamic Data"
                },
                axisY: {
                    includeZero: false
                },
                data: [{
                    type: "line",
                    xValueType: "dateTime",
                    dataPoints: dps
                }]
            });

            // var xVal = 0;
            // var yVal = 100;
            var updateInterval = 1000;
            var dataLength = 5; // number of dataPoints visible at any point

            array =
                {
                    time: [1547657331000, 1547657332000, 1547657333000, 1547657334000, 1547657335000, 1547657336000, 1547657337000, 1547657339000, 1547657340000, 1547657341000],
                    temperature: [12, 11, 2, 2, 2, 3, 4, 5, 2, 1]
                };

            var updateChart = function (countss) {

                countss = countss || 1;

                for (var j = 0; j < countss; j++) {
                    // yVal = yVal + Math.round(5 + Math.random() * (-5 - 5));
                    dps.push({
                        x: array['time'][j],
                        y: array['temperature'][j]
                    });
                    // xVal++;
                }

                if (dps.length > dataLength) {
                    dps.shift();
                }

                chart.render();
            };

            updateChart(dataLength);
            setInterval(function () { updateChart() }, updateInterval);