Line Chart with Random Data and StripLine - CanvasJS JavaScript Charts

Line Chart with Random Data and StripLine - CanvasJS JavaScript Charts

by canvasjs

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 limit = 100000;    //increase number of dataPoints by increasing this

var y = 0;
var data = []; var dataSeries = { type: "line" };
var dataPoints = [];
for (var i = 0; i < limit; i += 1) {
  y += (Math.random() * 10 - 5);
  dataPoints.push({
    x: i - limit / 2,
    y: y                
  });
}
dataSeries.dataPoints = dataPoints;
data.push(dataSeries); 
data.push({type: "scatter", markerSize: 0, highlightEnabled: false, dataPoints: [{x: 0, y: 500, indexLabel: "-200", indexLabelFontColor: "red", toolTipContent: null }]});

var chart = new CanvasJS.Chart("chartContainer", {
  zoomEnabled: true,
  title:{
    text: "Stress Test: 100,000 Data Points" 
  },
  animationEnabled: true,
  axisX:{
    labelAngle: 30,
    stripLines: [{
    	value: 0,
      thickness: 2,
      label: "Now",
      color: "green",
      labelPlacement: "outside"
    }],
  },
  data: data  // random generator below
});

chart.render();