Draw horizontal line on chart in line chart using chart.js - Javascript Chart.js

Javascript examples for Chart.js:Line Chart

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Description

Draw horizontal line on chart in line chart using chart.js

Demo Code

ResultView the demo in separate window 

<html lang="en">
   <head> 
      <title>Chart.js Horizontal line on line chart</title> 
   </head> 
   <body translate="no"> 
      <div style="width: 75%"> 
         <canvas id="canvas"></canvas> 
      </div> 
      <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script> 
      <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.5.0/Chart.min.js"></script> 
      <script src="https://rawgit.com/chartjs/chartjs-plugin-annotation/master/chartjs-plugin-annotation.js"></script> 
      <script>
      window.chartColors = {//from w ww. j  a v  a  2  s  . co  m
  red: 'rgb(255, 99, 132)',
  orange: 'rgb(255, 159, 64)',
  yellow: 'rgb(255, 205, 86)',
  green: 'rgb(75, 192, 192)',
  blue: 'rgb(54, 162, 235)',
  purple: 'rgb(153, 102, 255)',
  grey: 'rgb(231,233,237)'
};
var ctx = document.getElementById("canvas").getContext("2d");
var myChart = new Chart(ctx, {
  type: 'line',
  data: {
    labels: ["January", "February"],
    datasets: [{
      label: 'Dataset 1',
      borderColor: window.chartColors.blue,
      borderWidth: 2,
      fill: false,
      data: [2, 10]
    }]
  },
  options: {
    responsive: true,
    title: {
      display: true,
      text: 'Chart.js Drsw Line on Chart'
    },
    tooltips: {
      mode: 'index',
      intersect: true
    },
    annotation: {
      annotations: [{
        type: 'line',
        mode: 'horizontal',
        scaleID: 'y-axis-0',
        value: 5,
        borderColor: 'rgb(75, 192, 192)',
        borderWidth: 4,
        label: {
          enabled: false,
          content: 'Test label'
        }
      }]
    }
  }
});
      //# sourceURL=pen.js
    
      </script>  
   </body>
</html>

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