Random Data Line Chart with Legend - CanvasJS JavaScript Charts

Random Data Line Chart with Legend - 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 = 500000; //increase number of dataPoints by increasing this
var y = 0;
var data = [];
var dataSeries = {
  type: "line",
  showInLegend: true
};
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);

var chart = new CanvasJS.Chart("chartContainer", {
  zoomEnabled: true,
  panEnabled: true,
  title: {
    text: "Try Zooming and Panning"
  },
  legend: {
    horizontalAlign: "right",
    verticalAlign: "center"
  },
  axisY: {
    includeZero: false
  },
  data: data, // random generator below
});
chart.render();